IPNI. Nutrient expert maize: A 4R fertilizer recommendation tool for smallholder farmers of south Asia. International Plant Nutrition Institute.
Chicago Edition CitationIPNI. Nutrient Expert Maize: A 4R Fertilizer Recommendation Tool for Smallholder Farmers of South Asia. International Plant Nutrition Institute.
MLA Edition CitationIPNI. Nutrient Expert Maize: A 4R Fertilizer Recommendation Tool for Smallholder Farmers of South Asia. International Plant Nutrition Institute.
Warning: These citations may not always be 100% accurate.