19 Nov 2014

Issue Review Series

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

Soybean K deficiency
22 Oct 2014

2014 Crop Nutrient Deficiency Photo Contest is Now Open

This year our contest features some important changes. Photos and supporting information can be submitted until December 11, 2014 (Thursday, 5pm EST).

30 Sep 2014

Video on 4R Nutrient Stewardship’s Role in Reducing Greenhouse Gas Emissions

The video explains how farmers make 4R decisions (i.e., decisions on applying the Right source at the Right rate, Right time, and Right place) to minimize greenhouse gas emissions resulting from their nitrogen fertilizer applications.

Sarah Light receiving a 2014 IPNI Scholar Award from Dr. Rob Mikkelsen
26 Sep 2014

2014 Scholar Award Recipients Announced by IPNI

Thirty (30) graduate students have been named to receive the IPNI Scholar Award in 2014, with the most widespread geographic distribution ever for the award. The individual awards of US $2,000 are given to graduate students in sciences relevant to plant nutrition and management of crop nutrients.

24 Sep 2014

Crop Nutrient Removal Calculator (PlantCalc) for iPhone/iPad/iPod touch

The calculator estimates crop nutrient removal of nitrogen (N), phosphorus (expressed as P2O5), potassium (expressed as K2O), and sulfur (S) for a broad, and continually expanding, list of field crops.

16 Sep 2014

Animated Video Launched to Promote the Importance of Fertilizer Access in Africa

The video, launched during the African Green Revolution Forum (AGRF) in Ethiopia, is a call to African Leaders to note and address the bottlenecks that continue to throttle expanded fertilizer use by smallholder farmers.

Dr. Sudarshan Dutta (L) standing in a sunflower field with farmer.
08 Sep 2014

Fertilization Helps Improve Sunflower Yield, Economics and Soil Nutrient Balance in India

Sunflower crop holds a great promise in meeting the shortage of edible oils in India whilst also benefitting the small and marginal farmers economically. A paper published recently brought out the positive impact of ample N, P, and K fertilization on sunflower yield, economics, and soil nutrient balances in an alluvial soil in West Bengal, India. Download pdf copy of this article.

04 Sep 2014

Plant Nutrition Today—Fall 2014

This quarterly publication features current issues in plant nutrition. In this issue, read about the nitrogen nutrition for winter wheat; why micronutrient availability is patchy in fields; which is better for soybeans: fall or spring applications?; 4R and precision agriculture—where's the payback?; and much more...

28 Aug 2014

Understanding Nutrient Management in Smallholder Farming in Sub-Saharan Africa

Dr. Shamie Zingore, Director, IPNI Sub-Saharan Africa Program, recently co-authored an article that reviews key literature on smallholder farm typologies focusing on three countries (Kenya, Malawi and Zimbabwe) to gain insights on opportunities for crop production intensification and the importance of developing farm-specific nutrient management practices.

26 Aug 2014

Better Crops with Plant Food #3 2014

Featuring the best research in plant nutrition... In this issue, read how Precision Ag tools are supporting food security; how remote sensing is being used for semi-arid cereals; about factors improving K uptake; about the value of crop straw ...and much more.

07 Jul 2014

4R Nutrient Stewardship Portal

Featuring videos, e-books, manuals, slide sets, articles, and everything developed by IPNI and other cooperators on 4Rs—a concept that developed through a long history of cooperation between fertilizer industry and the scientific community and is being rapidly adapted throughout the world for increased crop yields, farm profits and better environment.

07 Jul 2014

2014 Edition of Catalog of Publications

Download this year's booklet to learn about our latest listing of publications as well as details on ordering.

06 Jul 2014

Stewardship Specifics

Stewardship Specifics are condensed, one-page bulletins providing scientific reviews of issues impacted by nutrient stewardship. Stewardship Specifics are written by IPNI staff and are intended to provide balanced assessments of current and emerging topics related to nutrient use, crop production, and environmental protection.

01 Jul 2014

Nitrogen Notes

A basic understanding of the reactions of nitrogen in soils provides a solid foundation for making wise nutrient stewardship decisions. This series of fact sheets, written by IPNI staff, covers the major nitrogen fertilizer transformations that occur in crop production.