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Nitrogen is of key importance to sustain modern agriculture but how to accurately quantify the loss forms of fertilizer-derived nitrogen has been a challenge for bare loessial soil. We employ 30 simulated rainfalls to evaluate effects of rainfall intensity (45, 60, 75, 90, 105 and 120 mm/h) and slope gradient (5°, 10°, 15°, 20° and 25°) on dissolved and adsorbed nitrogen loss. Here, we show that there...
This study assessed the individual and combined effects of land-use and land-cover changes (LUCCs) on spatial hydrological responses by using an integrated approach involving the Soil and Water Assessment Tool (SWAT) and geographically weighted regression (GWR) models in the Xitiaoxi River Basin (XRB). The LUCCs and their spatial patterns from 1985 to 2008 were evaluated in the XRB. The hydrological...
Methane (CH4) is a potent greenhouse gas and agricultural soils are the main source of atmospheric CH4. Information regarding CH4 emission from acidic soils is limited in the literature. A laboratory study was conducted to examine CH4 emissions following dolomite application in an acidic paddy soil. Dolomite was applied to the acidic soil (Ultisol) under two levels of moisture and nitrogen (N) fertilizer...
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