has subject area 0503 Soil Sciences (FoR) 0703 Crop and Pasture Production (FoR) Agronomy & Agriculture (Science Metrix)
keywords Agriculture Agronomy CARBON-DIOXIDE DISCRIMINATION DROUGHT EVAPOTRANSPIRATION FOREST IMPROVEMENTS Life Sciences & Biomedicine MODIS NET PRIMARY PRODUCTION NPP/ET ratio PRIMARY PRODUCTIVITY QUANTITATIVE ASSESSMENT Science & Technology carbon and water cycles evapotranspiration (ET) global grassland ecosystems grassland water budget net primary productivity (NPP) water use efficiency (WUE)