Energy Transfer
Phosphorus is incorporated into compounds involved in cellular energy transfer, making adequate phosphorus nutrition important during periods of active plant growth.
Phosphorus Efficiency Technology
Steric® P
A fully water-soluble phosphorus nutrition technology containing BioSF325™ to improve phosphorus use efficiency, support stronger root and vegetative growth and contribute to improved fruit or seed quality.
Steric® P combines a high-phosphorus NP 12:58 formulation with BioSF325™ technology, whose four key components are designed to work synergistically within the plant to improve how efficiently phosphorus nutrition is used.
Current European Verdesian guidance specifies fertigation application only and explicitly states not to use Steric® P as a foliar treatment. Registration, analysis, rates and approved uses can vary by market.
Product Overview
Improving the value of phosphorus delivered through fertigation
Phosphorus is essential to crop development, but applying phosphorus does not automatically mean that every unit supplied will be used with equal efficiency by the plant.
Steric® P is designed around that challenge. Rather than focusing solely on the amount of phosphorus applied, the technology is positioned around improving phosphorus nutrient use efficiency within the plant.
The product contains BioSF325™ technology, described by Verdesian as a four-component system whose components act synergistically. Combined with a fully water-soluble NP 12:58 nutrient formulation, Steric® P is designed for phosphorus delivery through fertigation systems.
Published European product information links the technology with improved phosphorus use efficiency, stronger root and vegetative growth and better fruit or seed quality. This makes it relevant to fertigation programs seeking to improve both phosphorus nutrition and the efficiency with which applied phosphorus is used by the crop.
Technology
BioSF325™
Analysis
NP 12:58
Application
Fertigation
Physical Form
Water-soluble dry formulation
Phosphorus Nutrition
Why phosphorus matters throughout crop development
Phosphorus participates in fundamental plant processes associated with energy transfer, metabolism, root development, reproductive development and the formation of new tissues.
Root Development
Phosphorus nutrition is closely associated with early root development, which supports access to soil water and other nutrients.
Vegetative Growth
Efficient phosphorus nutrition contributes to the metabolic activity needed to establish and sustain productive vegetative growth.
Reproductive Development
Steric® P is also positioned around reproductive-stage use where phosphorus management can support fruit setting, seed development and crop-quality objectives.
Phosphorus Use Efficiency
The goal is not only to supply phosphorus—but to use it efficiently
Phosphorus can be present in the nutrient program without every applied unit contributing equally to crop growth. Efficiency depends on nutrient chemistry, irrigation management, root activity, crop demand and many environmental variables.
Steric® P is positioned around improving phosphorus nutrient use efficiency within the plant. Published European Verdesian information reports up to 37% improved phosphorus nutrient use efficiency compared with standard phosphate fertiliser.
Verdesian links this improved efficiency with proven increases in root and vegetative growth together with improved fruit or seed quality.
These performance figures should be viewed as product-research references rather than guarantees. Actual response depends on crop, phosphorus status, irrigation system, soil or substrate, water chemistry, climate and the wider nutrition program.
Do not reduce phosphorus solely from website figures.
Phosphorus replacement decisions should be based on the locally approved
Steric® P label, crop requirements, irrigation system, nutrient analysis,
soil or substrate testing, water quality and qualified agronomic advice.
BioSF325™ Technology
Four components designed to work synergistically
Published Verdesian information describes BioSF325™ as having four key components that drive nutrient use efficiency. The manufacturer emphasizes their combined, synergistic action rather than describing them as isolated technologies.
Multi-Component Design
BioSF325™ is presented as a four-component technology platform rather than a single-action nutrient additive.
Synergistic Activity
The four components are described as working synergistically within the plant to support nutrient-use efficiency.
Phosphorus Efficiency
In Steric® P, BioSF325™ is specifically positioned around improving the efficiency with which phosphorus nutrition is used.
Crop Response
Published positioning connects improved nutrient efficiency with stronger root and vegetative growth and improved fruit or seed quality.
Technology description vs. formulation disclosure
Public European product information identifies BioSF325™ as a technology with four synergistic components but does not provide a complete public breakdown of those proprietary components on the general product page. This page therefore does not attempt to infer or invent undisclosed composition details.
Formulation Profile
Built for phosphorus delivery through fertigation systems
NP 12:58
Current European Verdesian information identifies the Steric® P formulation as NP 12:58.
The product combines this high-phosphorus nutrient analysis with BioSF325™ technology to provide both phosphorus nutrition and the associated nutrient-efficiency positioning.
Food-grade MAP
Published European product information states that Steric® P uses high-efficiency pure food-grade monoammonium phosphate as the source of P₂O₅.
The manufacturer also highlights very low detectable phosphite levels in this food-grade MAP source as relevant to residue-management considerations for export crops.
100% water soluble
Steric® P is described as a completely water-soluble dry formulation, supporting dissolution before introduction into fertigation systems.
Low salt index
Current Verdesian positioning highlights a low salt index as part of the product's crop-safety profile when used according to approved directions.
Phosphate Source
Monoammonium phosphate in fertigation nutrition
Monoammonium phosphate, commonly abbreviated MAP, is a concentrated source of phosphorus combined with nitrogen and is widely used in water-soluble crop-nutrition programs.
Steric® P uses a food-grade MAP source and combines it with BioSF325™ rather than relying on nutrient analysis alone as the basis for its phosphorus-efficiency positioning.
In a fertigation system, complete dissolution, compatibility with other fertilisers, water chemistry and injection management are all important because the product must move through tanks, injectors, distribution lines and emitters before reaching the crop root zone.
Application Route
Steric® P is positioned for fertigation
Fertigation
Current European product guidance states that Steric® P can be applied to most crops through fertigation systems.
The dry product should be dissolved before introduction and the dissolved solution added into the fertigation program according to the current label.
Do not apply as foliar
Current European Verdesian guidance explicitly instructs users not to apply Steric® P as a foliar treatment.
This restriction is important because application routes are formulation- and registration-specific and should not be inferred simply because other crop-nutrition products may have foliar uses.
Fertigation Workflow
Practical integration into irrigation-based nutrient delivery
Always use the current product label, irrigation-system instructions and local fertigation guidance. The workflow below provides general program context rather than replacing approved directions.
Confirm the program
Determine the crop, growth stage, phosphorus requirement, current fertigation recipe and intended role of Steric® P.
Dissolve the product
Prepare Steric® P as a fully dissolved solution using suitable water and an appropriate mixing vessel.
Add to the system
Published guidance recommends adding the dissolved solution to a partially filled tank and continuing filling while maintaining agitation where possible.
Inject uniformly
Use a calibrated fertigation system so the nutrient solution is delivered evenly through the intended irrigation zone.
Program Options
Two principal ways Steric® P can fit a phosphorus program
Phosphorus replacement strategy
Current European guidance states that Steric® P can replace phosphorus normally supplied through acid fertilisers in an appropriately designed fertigation program.
Up to 3 : 1Published guidance states that up to three units of phosphorus from acid fertiliser may be replaced by one phosphorus unit from Steric® P.
Agronomic calculation required
Do not make phosphorus reductions without confirming crop need, water
and soil/substrate analysis and current label recommendations.
Biostimulant-effect strategy
Steric® P can also be used alongside existing phosphorus nutrition where the objective is to obtain the BioSF325™-associated nutrient- efficiency and crop-development effect.
2–11 kgCurrent European product guidance lists 2 to 11 kg at planting, pre-flowering or early flowering depending on crop for the described biostimulant effect.
Exact rate and timing are crop-specific. Use the current local label.
Timing Strategy
Match phosphorus efficiency support to crop demand
Planting / early growth
Early phosphorus nutrition can be important when the crop is developing its root system and establishing the foundation for subsequent growth.
Pre-flowering
Published Steric® P guidance includes pre-flowering use among timing options for the described biostimulant effect, depending on crop.
Early flowering
European product guidance also includes early flowering, with positioning around improved fruit setting and crop-quality objectives.
Crop Development
Root and vegetative growth are linked
Strong roots support water and nutrient capture, while an actively growing canopy supplies the photosynthetic energy and assimilates needed to sustain continued root development.
Published Verdesian positioning associates the improved phosphorus use efficiency delivered by Steric® P with proven increases in root and vegetative growth.
This connection is agronomically important because phosphorus demand is not isolated to one plant organ. Efficient phosphorus nutrition contributes to integrated crop development above and below ground.
Crop Quality
Phosphorus efficiency through reproductive development
Fruit setting and quality
Published European product guidance positions the 2–11 kg biostimulant program at planting, pre-flowering or early flowering depending on crop to support improved fruit setting and crop quality.
Actual fruit set and quality remain influenced by pollination, environmental conditions, crop load, water management, other nutrients, pests, disease and cultivar characteristics.
Seed-quality objectives
Verdesian's broader Steric® P positioning links improved phosphorus nutrient use efficiency with fruit or seed quality.
A phosphorus-efficiency program should therefore be evaluated in the context of the crop's reproductive nutrient demand and complete fertility strategy.
Compatibility
Designed to fit practical fertigation programs
Current European Verdesian information describes Steric® P as compatible with most other fertilisers.
Fertigation compatibility is still influenced by concentration, water quality, pH, temperature, mixing sequence and the chemical form of other nutrients present in the stock solution.
When combining concentrated fertilisers, visual solubility alone is not always sufficient. Precipitation may develop over time or after dilution, especially where calcium, sulphate, phosphate or highly concentrated nutrient solutions interact.
Practical recommendation: if a particular fertiliser combination has not previously been used, conduct an appropriate small-scale compatibility check and consult current technical guidance before preparing a commercial tank.
Calcium nitrate
Current European Verdesian information reports good mixing compatibility between Steric® P and calcium nitrate.
The manufacturer gives an example in which 12.5 kg calcium nitrate and 2.5 kg Steric® P were mixed in 80 litres of water with no precipitation observed after 24 hours.
This is a published example, not universal compatibility assurance. Water chemistry and product formulations can alter the result.
Thiosulphate restriction
Current European product guidance states that Steric® P should not be tank mixed with:
- Ammonium thiosulphate
- Potassium thiosulphate
This restriction should be treated as an important part of fertigation-program planning.
Water & System Management
Fertigation performance starts with the irrigation system
Water Quality
Water pH, hardness, bicarbonates, salinity and dissolved minerals can influence nutrient solubility and compatibility.
Agitation
Published guidance recommends agitation where possible when preparing the dissolved Steric® P solution in a tank.
Injection Uniformity
Proper injector calibration helps ensure the nutrient solution is delivered consistently across the intended irrigation zone.
Emitter Performance
Clean, functioning emitters are essential because even a well-prepared nutrient solution cannot compensate for uneven water distribution.
Crop Fit
Broad fertigation positioning across crop systems
Current European Verdesian information states that Steric® P can be applied to most crops through fertigation. Crop-specific rates, timings and registrations must still be confirmed locally.
Vegetables
Fertigated vegetable programs can use precise phosphorus timing across establishment, vegetative and reproductive crop stages where approved.
Fruit Crops
Steric® P positioning around pre-flowering, early flowering, fruit set and quality can be relevant to appropriate fertigated fruit crops.
Orchards & Perennials
Perennial fertigation systems can integrate phosphorus according to crop stage, nutrient demand and local product approval.
Protected Cropping
Fully water-soluble nutrient products can fit controlled irrigation programs where the water source, substrate and complete fertiliser recipe are carefully managed.
Very low detectable phosphite
Current European Verdesian information highlights very low detectable phosphite levels associated with the food-grade MAP used in Steric® P.
The manufacturer specifically positions this as relevant to reducing the risk of unexpected residue-limit issues when crops are destined for export markets.
Check destination-market requirements
Residue limits, input restrictions and buyer specifications vary by destination market and crop.
Export-oriented production programs should always verify current product registrations, buyer requirements and maximum-residue-limit considerations independently of general product information.
Resource Efficiency
Improving phosphorus efficiency can reduce unnecessary input intensity
More efficient P use
Steric® P is specifically designed to improve phosphorus use efficiency rather than simply increasing the amount of phosphorus applied.
Potentially fewer P units
Published European product information describes the potential to use fewer phosphorus units compared with standard phosphate fertigation regimes when the program is appropriately designed.
Packaging and logistics
Verdesian notes that reduced fertiliser volumes may also translate into less packaging and lower associated logistics requirements.
Environmental outcomes depend on the complete nutrient program
Improved nutrient efficiency can contribute to more resource-efficient fertiliser management, but actual environmental impact depends on total nutrient rates, irrigation management, crop uptake, soil conditions, drainage, runoff risk and other production practices.
Nutrition Program Integration
Steric® P can replace or complement conventional phosphorus inputs
Understand phosphorus demand
Start with crop requirements, soil or substrate analysis, irrigation water and existing phosphorus inputs.
Replacement or supplementation
Decide whether Steric® P will replace part of the conventional acid phosphorus program or be used alongside existing nutrition for its described biostimulant effect.
Evaluate crop response
Monitor crop growth, root development, nutrient analysis, fruit or seed quality and fertigation-system performance where practical.
Nutrient Stewardship
Integrate Steric® P within sound phosphorus-management principles
Right Source
Match nutrient chemistry and formulation to the crop, irrigation system and complete fertiliser program.
Right Rate
Base phosphorus quantities on crop need and the locally approved Steric® P program rather than generalized assumptions.
Right Time
Coordinate application with crop development, phosphorus demand and appropriate irrigation scheduling.
Right Place
Use the fertigation system to deliver dissolved nutrient solution uniformly into the active crop root zone.
Technical Profile
Steric® P reference information at a glance
| Attribute | Published reference information |
|---|---|
| Product | Steric® P. |
| Technology | BioSF325™. |
| BioSF325™ positioning | Four key components described as working synergistically within the plant to drive nutrient use efficiency. |
| Nutrient analysis | NP 12:58. |
| Phosphorus source | High-efficiency pure food-grade MAP. |
| Physical formulation | 100% water-soluble dry formulation. |
| Current European application route | Fertigation only. |
| Foliar use | Current European guidance explicitly states not to apply Steric® P as a foliar treatment. |
| Crop scope | Most crops via fertigation, subject to current local registration. |
| Phosphorus use efficiency | Published product positioning reports up to 37% improved phosphorus nutrient use efficiency compared with standard phosphate fertilisers. |
| Phosphorus-unit positioning | Published information describes up to 67% fewer phosphorus units through fertigation compared with standard phosphate fertiliser regimes. |
| Replacement reference | European guidance states that up to three units of phosphorus from acid fertiliser can be replaced by one phosphorus unit from Steric® P. |
| Biostimulant-effect reference rate | 2–11 kg at planting, pre-flowering or early flowering depending on crop; current local label applies. |
| Root & vegetative development | Improved phosphorus use efficiency is positioned around increased root and vegetative growth. |
| Quality positioning | Improved fruit or seed quality and, in timing guidance, improved fruit setting and crop quality. |
| Salt index | Described as low for crop-safety positioning. |
| Compatibility | Described as compatible with most other fertilisers. |
| Calcium nitrate | Published example reports good compatibility and no precipitation after 24 hours in the stated test mixture. |
| Do not tank mix with | Ammonium thiosulphate or potassium thiosulphate. |
| European reference pack size | 10 kg. |
The table summarizes current publicly available European Verdesian product information. Product labels and country registrations remain authoritative.
Program Evaluation
Where Steric® P may deserve closer consideration
Phosphorus efficiency is a priority
Where the program aims to improve the effectiveness of phosphorus nutrition rather than relying solely on higher phosphorus input.
Fertigation is already used
Steric® P is specifically designed for dissolved application through fertigation systems under current European guidance.
Root development matters
Published product positioning associates Steric® P with increased root development through improved phosphorus nutrient use efficiency.
Reproductive quality is important
Pre-flowering and early-flowering programs may be relevant where fruit set, seed development or crop quality is a key objective.
Input efficiency is being reviewed
Published guidance provides phosphorus-replacement options that can be evaluated within professionally designed fertility programs.
Export-crop input quality matters
The food-grade MAP source and very low detectable phosphite positioning may be relevant when managing crop-input programs for export markets.
Technical Support
Information that helps us evaluate your phosphorus program
Providing program details allows Atlas Crop Technologies to route your enquiry to the appropriate regional or technical contact.
- Country and production region
- Crop
- Crop stage
- Soil or substrate type
- Irrigation system
- Water analysis where available
- Current phosphorus source and rate
- Other fertigation products
- Target yield or crop-quality objective
- Technical, trial, commercial or distribution requirement
Technical & Commercial Support
Supporting fertigated crop systems across the value chain
Growers & Agronomists
Discuss phosphorus efficiency, crop timing, fertigation design and integration with existing crop nutrition.
- Crop requirements
- Current P program
- Growth stage
- Local availability
Fertigation Specialists
Review product dissolution, injector requirements, compatibility, water chemistry and practical nutrient-system integration.
- Water chemistry
- Stock-tank formulation
- Injection system
- Compatibility
Distributors
Explore market availability, product positioning, commercial packs, technical documentation and regional opportunities.
- Registration status
- Commercial volumes
- Portfolio positioning
- Regional support
Crop Nutrition Partners
Evaluate Steric® P within complete phosphorus-efficiency and irrigation-based nutrient-management programs.
- Program design
- Input efficiency
- Field evaluation
- Technical collaboration
Product Portfolio
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Different products address different nutrient, application and crop development objectives. Always select technologies according to the locally approved use and complete crop program.
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Technical · Commercial · Distribution
Discuss Steric® P with our team
Tell us about your crop, phosphorus program, fertigation system, irrigation water, market or distribution requirement. Our team will route your enquiry to the appropriate regional contact.
FAQ
Frequently Asked Questions about Steric® P
The answers below provide general product and agronomic context. Always use the current approved product label as the authoritative source for legal use directions.
Steric® P is a fully water-soluble phosphorus nutrition product containing BioSF325™ technology.
Current European Verdesian information identifies the formulation as NP 12:58 and positions it around improved phosphorus use efficiency, root and vegetative growth and fruit or seed quality.
Steric® P combines phosphorus nutrition with BioSF325™ technology. Its published formulation provides NP 12:58, while BioSF325™ is positioned around improving nutrient use efficiency.
European product guidance also describes a specific use program for obtaining the associated biostimulant effect.
BioSF325™ is the technology contained in Steric® P. Verdesian describes it as having four key components that work synergistically within the plant to drive nutrient use efficiency.
In Steric® P, the technology is specifically positioned around more efficient phosphorus use.
Current public European product information states that BioSF325™ contains four key components but does not provide a full public breakdown of the proprietary component composition on the general product page.
This page therefore does not infer or invent undisclosed formulation details.
Current European Verdesian information identifies Steric® P as an NP 12:58 formulation.
Always confirm the analysis printed on the locally supplied product because formulations and registrations can vary by market.
Current European product information states that Steric® P uses high-efficiency pure food-grade monoammonium phosphate, or MAP, as its source of P₂O₅.
Yes. Published European product information describes Steric® P as a 100% water-soluble dry formulation.
The product should be completely dissolved before it is introduced into the fertigation program.
Current European guidance specifies application through fertigation.
The dissolved solution should be introduced into the irrigation-based nutrient-delivery program according to the approved local label.
Current European Verdesian guidance explicitly states: do not apply Steric® P as a foliar treatment.
Always follow the application route stated on the current product label supplied in your market.
Fertiliser formulations are designed around particular concentrations, delivery systems and crop-contact patterns. A product designed for fertigation should not automatically be assumed suitable for direct foliar contact.
Current European Verdesian product guidance states that Steric® P can be applied to most crops through fertigation.
The exact legal crop list, rate and timing must be confirmed on the current local label.
Published European Verdesian information reports up to 37% improved phosphorus nutrient use efficiency within the plant compared with standard phosphate fertilisers.
This is a published performance reference rather than a guaranteed outcome in every crop or environment.
In practical crop-nutrition terms, phosphorus use efficiency relates to how effectively phosphorus supplied to the crop contributes to plant nutrition and productive crop growth.
Steric® P is positioned around improving that efficiency within the plant rather than relying solely on increasing applied phosphorus.
Current European product information describes the possibility of delivering up to 67% fewer phosphorus units through fertigation compared with standard phosphate fertiliser regimes.
This should not be used as a universal reduction rule. Phosphorus decisions require crop-specific calculations and confirmation against the current product label.
Published European application guidance states that, when Steric® P is being used as a phosphorus replacement for acid fertiliser, up to three phosphorus units from acid fertiliser can be replaced by one phosphorus unit from Steric® P.
This must be incorporated into a professionally designed nutrient program rather than applied as a general rule independent of crop demand.
Current European guidance lists 2 to 11 kg Steric® P at planting, pre-flowering or early flowering depending on crop when the objective is the described biostimulant effect.
Exact rate and timing must be taken from the current crop-specific label.
Published European guidance references planting, pre-flowering and early-flowering timing depending on crop for the described biostimulant program.
Other phosphorus-replacement programs should follow the fertigation schedule and current approved label.
Published Verdesian information associates improved phosphorus use efficiency from Steric® P with increased root growth.
Root response remains influenced by water availability, oxygen, temperature, substrate or soil structure, salinity, pH and overall plant nutrition.
Increased vegetative growth is included in current European Verdesian product positioning for Steric® P.
Actual growth depends on the entire crop-production environment.
Current Verdesian product information associates Steric® P with improved fruit or seed quality.
European biostimulant-effect guidance also references improved fruit setting and crop quality when used at appropriate crop stages.
Published European product information describes Steric® P as compatible with most other fertilisers.
Compatibility should still be verified for the exact products, concentrations and irrigation water used in the intended program.
Published Verdesian information reports good mixing compatibility with calcium nitrate.
One cited example combined 12.5 kg calcium nitrate with 2.5 kg Steric® P in 80 litres of water, with no precipitation reported after 24 hours.
Water chemistry and actual product concentrations can change compatibility, so this example should not replace local testing.
Current European guidance states that Steric® P should not be tank mixed with:
- Ammonium thiosulphate
- Potassium thiosulphate
Current European guidance states that Steric® P should only be applied dissolved, preferably through fertigation systems.
The dissolved solution should be added to a partially filled tank, the tank then filled further, and agitation used where possible to ensure thorough mixing.
Water pH, hardness, bicarbonates, calcium, magnesium, salinity and other dissolved minerals can influence fertiliser solubility and compatibility.
Water analysis can therefore be useful when designing concentrated fertigation-stock solutions.
Current European Verdesian positioning describes Steric® P as having a low salt index, which is included within the product's crop-safety positioning.
Concentration and crop sensitivity still matter, so the current application directions must be followed.
Current Verdesian product information describes Steric® P as using pure food-grade MAP and highlights very low detectable phosphite levels.
The manufacturer positions this as relevant to reducing unexpected residue-limit concerns in export-oriented crop programs.
No. Phosphate and phosphite are chemically different phosphorus forms. Steric® P is positioned as a phosphate nutrition product based on MAP.
Verdesian specifically highlights very low detectable phosphite in the food-grade MAP used for Steric® P.
Verdesian positions improved phosphorus-use efficiency and reduced fertiliser volume around potential resource-efficiency benefits, including fewer applied nutrient units, less packaging and lower logistics requirements.
Actual environmental outcomes depend on the total nutrient program, irrigation management, crop uptake, drainage and local production conditions.
Not automatically. Steric® P can be used as a phosphorus-replacement component or alongside conventional phosphorus fertilisers depending on crop requirements and the approved program.
The complete phosphorus requirement should be determined using agronomic analysis rather than assuming full replacement.
No agricultural input can guarantee a particular yield. Steric® P is positioned around phosphorus use efficiency, growth and crop quality, but final performance depends on genetics, climate, irrigation, fertility, pests, disease and season-long management.
Current European Verdesian product information lists a 10 kg pack size for Steric® P.
Packaging and commercial availability can differ by country.
No. Registration, nutrient analysis, claims, crop uses, rates, application timing and packaging can differ between markets.
Contact Atlas Crop Technologies for current country-specific information.
Include your country, crop, crop stage, soil or substrate, irrigation system, water analysis if available, current phosphorus source and rate, other fertigation products and the agronomic objective you would like to discuss.
Use the contact form on this page or email contact@fertilizercoatingproducts.com .
Include your company, country, crop or market, approximate volume requirement and the nature of your commercial or distribution enquiry.
Responsible Product Use
Fertiliser regulations, registrations, nutrient analyses, claims, crop approvals, phosphorus-replacement recommendations, application rates, timings, compatibility guidance, pack sizes and directions can change and may differ by country. Information on this website is general product information only. It does not replace the current approved product label, Safety Data Sheet, fertigation-system instructions, crop-specific nutrient recommendations, water-analysis interpretation, applicable regulations or qualified agronomic advice. Always read and follow current product directions before mixing, handling, storing or applying Steric® P.
Fertiliser regulations, registrations, nutrient analyses, claims, crop approvals, phosphorus-replacement recommendations, application rates, timings, compatibility guidance, pack sizes and directions can change and may differ by country. Information on this website is general product information only. It does not replace the current approved product label, Safety Data Sheet, fertigation-system instructions, crop-specific nutrient recommendations, water-analysis interpretation, applicable regulations or qualified agronomic advice. Always read and follow current product directions before mixing, handling, storing or applying Steric® P.