2011 Scholar Award Recipients Announced by IPNI
| 3 |
Soil Organic Matter Changes towards an Equilibrium Level Appropriate to the Soil and Cropping System
Johnny Johnston | 7 |
The Essential Role of Soil Organic Matter in Crop Production and the Efficient use of Nitrogen and Phosphorus
Johnny Johnston | 9 |
Climate Change and Wheat Crop Responses — FACEing the Future
Rob Norton, Glenn Fitzgerald, and Michael Tausz | 12 |
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 | 14 |
Potassium Fixation and Its Significance for California Crop Production
Stuart Pettygrove, Toby O’Geen, and Randal Southard | 16 |
Crop Responses to Fertilization in the Eastern Plains of Bolivia
Jorge Terrazas, Grover Guaygua, Estanislao Juárez, Mauricio Crespo, and Fernando García | 19 |
Study Guide for International Certified Crop Adviser Exam
| 21 |
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 | 22 |
New Publication for 2012 - 4R Plant Nutrition: A Manual for Improving the Management of Plant Nutrition
| 25 |
Nutrient Management for Alfalfa Grown on Acid, Hilly Regions of Chongqing
Jia Zhou, Wei Li, Henglin Dai, Guangqun Dong and Shihua Tu | 26 |
Cotton Yield and Quality Responses to Sulfur Applications
X.H. Yin, C.L. Main, and C.O. Gwathmey | 28 |
A Guide to Identifying and Managing Nutrient Deficiencies in Cereal Crops
| 30 |
Recent Release: Crop Nutrient Deficiency Image Collection
| 30 |
Crop Nutrient Deficiency Photo Contest Entries Due by December 13
| 30 |
Statement of Ownership, Management, and Circulation
| 31 |
Conversion Factors for U.S. System and Metric
| 31 |
“How Do You Know That?” – The Need for Scientific Evidence
Robert Norton | 32 |
