… ) Paddy soils-rice system in these watersheds are polluted … rice. The primary goals of this
study are to: 1) evaluate the toxicity and pollution status of river sediments, paddy soils, and rice …

… s largest rice granary using the Soil Water Assessment Tool (SWAT). The 4515 km … watershed
is characterized by dams in the upper sub-watersheds that drain towards 1007 km 2 of rice …

… Our analyses indicated the two watersheds were similar to each other with regard to rice
crop extent, winter water management, and landscape exports of TSS. From 2001 to 2004, the …

… Composite agricultural systems with permanent maize cultivation in the uplands and
irrigated rice in the valleys are very common in mountainous southeast Asia. The soil loss and …

… scale streamflow variability and relationships between the degree of those changes and
watershed scale … and hydrological context of individual watersheds. We focus specifically on the …

… to NPS phosphorus loading assessment from the subbasins of upland and paddy rice. …
In the subbasins of paddy rice, the AP, TP, SOC, and Zn in top soil can work well to assess the …

… fate and transport of rice pesticides at watershed scales. Therefore, … in a California watershed
with rice farming practices. The … a rice paddy model, which should include: paddy water-soil …

… At watershed scale, soil erosion rate is dependent on watershed size, and associated with
differences in topography, slope steepness and shape, and land use types. Phien et al. (2002…

… The main objective of this study was to apply the soil and water assessment tool (SWAT)
to develop total maximum daily load (TMDL) programs for a small watershed containing rice …

… soil water simulations by the SWAT model were reliable, which was characterized by the soil
saturation status of the rice fields. … of NH 3 volatilization from rice fields at watershed scale. …