Vol. 11, Issue 2, November 1997
Extraction of Potassium and Phosphorus by Mexican Yam Bean (Mexico)
J.Z. Castellanos, V. Badillo, A. Sosa
Balanced Fertilization for China's Cotton Production (China)
Jason Wang, Jin Ji-yun and Sam Portch
Balanced Fertilization Research and Demonstration on High Yield Cotton in Henan Province (China)
Li Guibao, Sun Kegang, Wang Ying and Jiao You
When There Is No Soil Test...Helping Extension Workers Assess Soil Fertility in the Tropical Uplands (Indonesia)
Thomas S. Dierolf, Ellen Kramer and Thomas Fairhurst
Long-term Effects of Phosphorus Fertilization on Wheat Yields, Efficiency and Soil Test Levels (Argentina)
Angel Berardo, Fernando Grattone, Roberto Rizzalli and Fernando Garcia
Evaluation of Residual Soil Phosphorus in Pastures and Alfalfa (Argentina)
Angel Berardo and Fernando Grattone
Improvement of Root Nodule Nitrogen Fixation and Soil Fertility by Balanced Fertilization of Broad Beans (China)
Su Fan, Hong Lifang, Hu Jin and Zhong Li
Effects of Potassium Fertilizers on Sugar Beet Yield and Quality (China)
Li Yu-ying and Liang Hong
Use of Potassium in Haryana Agriculture Featured in One-Day Workshop (India)
Research Notes: Phosphorus Soil Test Calibration for Lowland Rice on an Inceptisol (Brazil)