Issue Review Series

This series includes in-depth, critical reviews by IPNI Scientists on current issues related to plant nutrient science.


Nutrient Use Efficiency and Effectiveness in Australia: Assessing Agronomic and Environmental Benefit

Dr. Robert Norton, IPNI Australia & New Zealand Director, August 2017

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Progress in Reducing Nutrient Loss in the Mississippi River Basin – But Effects on Gulf Hypoxia Still Lag

Dr. Cliff Snyder, IPNI Nitrogen Director, July 2017

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4R Phosphorus Management Practices for Major Commodity Crops of North America

Dr. Tom Bruulsema, IPNI Phosphorus Program Director, March, 2017

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Suites of 4R Nitrogen Management Practices for Sustainable Crop Production and Environmental Protection.

Dr. Cliff Snyder, IPNI Nitrogen Program Director, October, 2016

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Estimation of Organic Nutrient Sources and Availability for Land Application in China.

Shutian Li, Xiaoyong Liu, and Wengcheng Ding, August, 2016

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Nutrient Performance Indicators: The importance of farm scale assessments, linked to soil fertility, productivity, environmental impact and the adop­tion of grower best management practices.

IPNI Scientists, August, 2014

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Is Potassium Fertilizer Really Necessary?

Dr. T. Scott Murrell, IPNI Scientist, November, 2013

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