19 ឧសភា 1987 Integrated nutrient supply Improved fallow Nitrogen transfer from legumes Cover crops on acid soils Sunnhemp Rock phosphate Micro-nutrient drain Soil conservation and shifting cultivators Cycles of poverty
30 មករា 2018 In 2012 Biosphere Foundation in conjunction with various local community organization and LIPI (Indonesian Institute of Science) started to carry out relevant research activities. These activities included research into agricultural improvement in the farms surrounding the National Park that...