Agroforestry on Acid Soils in the Humid Tropics: Managing Tree-soil-crop Interactions |
Common terms and phrases
aboveground Acid Soils agriculture agroforestry systems alang-alang alley-cropping alternate Peltophorum amount of mineral Annual Food Crops Biological Management biomass Calliandra canopy shape cassava cation exchange capacity complex agroforests cover crops crop demand crop roots crop rotation Crop yield cropping season cropping systems deep Intermediate direct planting drought effect erosion example fallow fertiliser fertilizer application Figure Gliricidia hedgerow groundnut growth hedgerow intercropping system homegardens Imperata labour land leached mineral legume litter layer maize Management of Soil mineral N leached mixed cropping monoculture Mycorrhiza natural forest needs 3-5 prunings nitrogen Noordwijk North Lampung nutrient losses oil palm Paraserianthes falcataria Peltophorum and Gliricidia Peltophorum hedgerow intercropping Photo Planting technique poor soil Predicted production rainfall reducing rhizomes root system Rooting depth runoff sengon shade Shallow shifting cultivation soil cool soil depths soil fertility soil organic matter soil tillage topsoil tree roots tree-soil-crop interactions Ultisol uptake water and nutrients water balance water drainage weeds