TY - JOUR N2 - Alfisols are the third most important soil order in the world, covering 13.1% of the world area. In the semi-arid tropics, Alfisols cover a much larger area of potentially arable and grazable lands than Vertisols, which have until now received far more attention from ICRISAT researchers. About 62% of the world?s Alfisols are located in West Africa and India AV - public A1 - Wani, S P A1 - Ramakrishna, A TI - Alfisols of the Semi-Arid Tropics: Problems and Potentials UR - http://www.icrisat.org/what-we-do/satrends/nov2002.htm#4 JF - SATrends Monthly Newsletter SP - 1 Y1 - 2002/// ID - icrisat3860 EP - 2 VL - 24 PB - International Crops Research Institute for the Semi-Arid Tropics ER -