نتایج جستجو برای: land improvement
تعداد نتایج: 424261 فیلتر نتایج به سال:
BACKGROUND The changes in land use and land cover have a strong effect on the total soil organic carbon, its fractions and its overall soil health. This study carried out in Olesharo Catchment, Kenya, was to quantify the differences in total organic carbon (TOC), particulate organic carbon (POC), mineral organic carbon (MOC) and carbon management index (CMI) among four land use types: grassland...
This paper traces the environmental and economic effects of a “Table field Fish pond” (TFFP) land use scheme in Lijin County in the Yellow River Delta of China with reference to the optimization of ecological-productive structures resulting from a land use / land cover change (LUCC) approach. “Table fieldFish pond” is an effective reconstructed land use system and eco-agricultural pattern to ch...
introduction the most important subject in villager's researches is survey of household's incomes. most of iran villagers are farmers and they live with money of selling agriculture outputs. then every event that damages their outputs, can cause villagers poor. in this paper, we introduce a model for studying the effects of agriculture outputs improvement on poverty in villages. for e...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید