Nitrogen Form Effects on Yield and Nitrogen Uptake of Rice Crop Grown in Aerobic Soil

As an alternative production strategy, the cultivation of rice under upland condition is increasing in the areas where fresh water resource is limited during growing season. The main form of nitrogen (N) taken up by rice roots is shifted from ammonium (NH4) in flooded paddy soil to nitrate () in upland soil. A pot experiment was conducted in order to study the influence of to ratio on the yield and uptake of N by rice (Oryza sativa L.) grown...