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Better Crops With Plant Food

A Publication of the International Plant Nutrition Institute (IPNI)

XCV (95) 2011, No. 4

2011 Scholar Award Recipients Announced by IPNI

Soil Organic Matter Changes towards an Equilibrium Level Appropriate to the Soil and Cropping System
Johnny Johnston

The Essential Role of Soil Organic Matter in Crop Production and the Efficient use of Nitrogen and Phosphorus
Johnny Johnston

Climate Change and Wheat Crop Responses — FACEing the Future
Rob Norton, Glenn Fitzgerald, and Michael Tausz

High Yield Corn Production Can Result in High Nitrogen Use Efficiency
Charles Wortmann, Charles Shapiro, Achim Dobermann, Richard Ferguson, Gary Hergert, Daniel Walters, and David Tarkalson

Potassium Fixation and Its Significance for California Crop Production
Stuart Pettygrove, Toby O’Geen, and Randal Southard

Crop Responses to Fertilization in the Eastern Plains of Bolivia
Jorge Terrazas, Grover Guaygua, Estanislao Juárez, Mauricio Crespo, and Fernando García

Study Guide for International Certified Crop Adviser Exam

Soil Acidification under Oil Palm: Rates and Effects on Yield
Paul N. Nelson, Tiemen Rhebergen, Suzanne Berthelsen, Michael J. Webb, Murom Banabas, Thomas Oberthür, Chris R. Donough, Rahmadsyah, Kooseni Indrasuara, and Ahmad Lubis

New Publication for 2012 - 4R Plant Nutrition: A Manual for Improving the Management of Plant Nutrition

Nutrient Management for Alfalfa Grown on Acid, Hilly Regions of Chongqing
Jia Zhou, Wei Li, Henglin Dai, Guangqun Dong and Shihua Tu

Cotton Yield and Quality Responses to Sulfur Applications
X.H. Yin, C.L. Main, and C.O. Gwathmey

Crop Nutrient Deficiency Photo Contest Entries Due by December 13

Recent Release: Crop Nutrient Deficiency Image Collection

A Guide to Identifying and Managing Nutrient Deficiencies in Cereal Crops

Statement of Ownership, Management, and Circulation

Conversion Factors for U.S. System and Metric

“How Do You Know That?” – The Need for Scientific Evidence
Robert Norton