Please Note
The agronomic programs of the International Plant Nutrition Institute (IPNI) ceased operations on April 1, 2019. The ipni.net website will remain online until the end of 2019, but no further updates will be made.
Questions about past IPNI operations and projects can be forwarded to the International Fertilizer Association, The Fertilizer Institute, or Fertilizer Canada.
IPNI's Mission
The mission of IPNI is to develop and promote scientific information about the responsible management of plant nutrition for the benefit of the human family.
IPNI is a global organization with initiatives addressing the world's growing need for food, fuel, fiber and feed. There is widespread concern for issues such as climate change and relationship of crop production to the environment and ecosystems, and IPNI programs are achieving positive results. Best management practices (BMPs) for nutrient stewardship encourage the concept of applying the right product (source), at the right rate, at the right time, and in the right place.
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P fertilization management 
FGarcia-Taller Fosforo CREA Henderson Daireaux Mayo 2012 [Compatibility Mode].pdf (size: 8.48 MB)
