Effects of different tillage methods on rice growth and nitrogen use efficiency were studied in a potted experiment using 15 N. The results showed that compared with the conventional tillage, with scattered transplanting, the rice yield decreased by 32.6% and nitrogen use efficiency decreased by 15.6% in no tillage. However, minimum tillage and conventional tillage had the similar rice yield and nitrogen use efficiency.
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LU Wei sheng, LI Hua xing, LIU Yuan jin, CHEN Xi chong . Effects of Tillage Methods on Scattered-Transplanting Rice Growth and Nitrogen Use Efficiency[J]. Journal of South China Agricultural University,2001,22(4):8-10,42