Agricultural Resources &
Fertilizer Knowledge Center

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.