Adaptation Agroforestry Agroforestry and Multipurpose Trees: Community, Farm and Social Forestry Agroforestry systems Agrosilvicultural systems Climate change Cropping systems Ecophysiology Field Crops, (New March 2000) Meteorology and Climate Mixed cropping Multipurpose trees Physiology Plant Cropping Systems Plant Water Relations Plant water relations Rural development Tree crops Trees Tropics Water balance