Seasonal runoff estimation of N and P in a paddy field of central Korea

  title={Seasonal runoff estimation of N and P in a paddy field of central Korea},
  author={J Y Cho},
  journal={Nutrient Cycling in Agroecosystems},
The present study was carried out during a period of one year (from May 1, 1997 to April 30, 1998) to quantify seasonal runoff of N and P in a rice field with an area of 5,000 m2. The total amount of runoff water was 1,043 mm during the cropping season and 281 mm during the non-cropping season. Nutrient concentrations in runoff water increased significantly during the period of fertilizer application and then decreased. During the non-irrigation period after harvest, however, the concentrations… CONTINUE READING


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