Download the Catalog of educational materials from the International Plant Nutrition Institute. The catalog is complete with order forms and instructions on ordering from IPNI.


4R Plant Nutrition Manual: A Manual for Improving the Management of Plant Nutrition

The 4R Plant Nutrition Manual includes chapters on the scientific principles behind each of the four R's or "rights". It discusses adoption of 4R practices on the farm, approaches to nutrient management planning, and measurement of sustainability performance. Metric and U.S./Imperial units versions are available. 130 pages, 8.5 x 11 in. wire bound.

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4R Plant Nutrition Manual: Supplemental Modules and Case Studies

Module and Case Study examples describe specific practices related to principles explained in the text of the 4R Plant Nutrition Manual, or provide background information supporting the principles.

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4R CCA Nutrient Management Specialist Study Guide

The International Certified Crop Adviser (ICCA) Program developed the 4R NMS (4R Nutri­ent Management Specialist) Certification to meet the growing demand for qualified advisers with focused knowledge and skills in nutrient management. This study guide was developed by IPNI to support the first edition of the Performance Objectives for 4R Nutrient Management Specialist.

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4R Plant Nutrient Management in African Agriculture

An extension handbook for fertilizer management in smallholder farming systems

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