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Agricultural Resources &
Fertilizer Knowledge Center

Explore expert insights, practical tools, and technical resources designed
to improve crop nutrition, optimize fertilizer performance, and promote
sustainable agricultural practices.

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    Technical Downloads Access product catalogs, TDS, COA, MSDS, brochures, and more.


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    FAQ Find answers to common questions about fertilizers, their applications, and more.


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Latest Articles

Two Pakistani customers visit Risso Fertilizer in China to tour production lines and discuss calcium nitrate, MKP, UAN, UP fertilizer, and future cooperation.

Two valued Indonesian customers visited Risso Fertilizer to tour the new NPK production line and discuss ammonium sulfate, NPK 16-16-16, SOP, and future cooperation.

Two distinguished New Zealand customers visited Risso's fertilizer factory, R&D laboratory, warehouse, and meeting center to explore future cooperation.

Côte d’Ivoire clients visit Risso Fertilizer plant, inspect NPK production line, and explore oil palm & corn fertilizer solutions for higher crop yield.

Learn how to calculate fertilizer application rates for different crops using nutrient requirements, fertilizer grades, and field area. Includes formulas, examples, and a fertilizer rate calculator.

Compare MKP, MAP, and DAP fertilizers by NPK grade, solubility, chemical properties, applications, compatibility, and cost to choose the right phosphate fertilizer.

Learn MKP fertilizer compatibility, which fertilizers can be mixed with MKP 0-52-34, and why calcium and magnesium fertilizers require caution in fertigation and foliar spraying.

Compare urea phosphate (UP 17-44-0), DAP 18-46-0, and MAP 11-52-0. Explore nutrient content, solubility, fertigation, and agricultural applications.

Technical Downloads

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    Technical Data Sheet
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    Safety Data Sheet
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    Product Brochure

Technical Downloads

  • Fertilizer Calculator icon1
    Crop Nutrition Planner ➜ Generate crop-specific fertilizer plans based on crop type, growth stage, soil conditions, yield targets, and nutrient requirements.
    Crop Nutrition Planner ➜
  • Nutrient Requirement Calculator icon
    Nutrient Calculator ➜ Calculate fertilizer application rates for N, P, K, Ca, Mg and S. Estimate nutrient requirements per hectare and total fertilizer quantities by field area.
    Nutrient Calculator ➜

Frequently Asked Questions

NPK fertilizer is a compound fertilizer containing nitrogen (N), phosphorus (P), and potassium (K), the three primary nutrients essential for healthy plant growth. Different NPK ratios are designed to support various crops, growth stages, and production goals, helping improve yield, crop quality, and nutrient efficiency.

Fertilizer application rates should be determined based on soil test results, crop nutrient requirements, expected yield, and fertilizer nutrient content. Accurate calculations help optimize nutrient use, reduce fertilizer waste, and improve crop performance. A fertilizer calculator can simplify this process for different crops and application methods.

Nutrient Use Efficiency (NUE) can be improved by applying the right fertilizer source, at the right rate, at the right time, and in the right place (4R Nutrient Stewardship). Combining balanced fertilization, soil testing, precision agriculture, and proper irrigation practices helps maximize nutrient uptake while reducing environmental losses.

Yes. Fertilizer formulations can be customized according to crop type, soil conditions, climate, growth stage, and regional nutrient requirements. Customized fertilizers help improve nutrient balance, increase crop productivity, and support more efficient and sustainable fertilizer management.

Controlled Release Fertilizer (CRF) is a fertilizer coated with a specialized material that gradually releases nutrients over a controlled period. This technology helps match nutrient availability with crop demand, reduces nutrient loss caused by leaching or volatilization, lowers application frequency, and improves overall fertilizer efficiency.

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