以T-43为材料开展田间小区试验，研究不同灌溉方式及施氮量对水稻干物质积累量及分配率、氮素积累、氮素利用效率及产量的影响。结果表明，淹灌处理水稻干物质积累量和氮素积累量显著大于膜下滴灌处理；施用氮肥显著提高了水稻的氮素积累量，水稻产量在施氮量为480 kg/hm2时最大；与淹灌处理相比，滴灌处理的水稻产量降低了19.02%，氮肥利用率提高了1.92个百分点，水分利用效率提高了0.21 kg/m3（105%）。
Effects of different irrigation methods （drip irrigation and flood irrigation） and N application rate on dry matter accumulation and distribution, nitrogen accumulation, nitrogen use efficiency and grain yield of rice were studied with T-43 as material by field experiment. The results showed that the dry matter accumulation and nitrogen accumulation of flood irrigation treatment were significantly increased compared with the drip irrigation treatment. Application of nitrogen fertilizer significantly increased the nitrogen accumulation of rice, and reached the maximum yield at nitrogen fertilizer application rate is 480 kg/hm2. Compared with flood irrigation, the yield of drip irrigation decreased by 19.02%, nitrogen utilization rate increased by 1.92 percentage points and water use efficiency was increased by 0.21 kg/m3（105%）.
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