不同化肥减量模式对水稻农艺性状·产量和经济效益的影响

Effects of Different Models of Reducing Fertilizer on Agronomic Traits, Yield and Economic Benefits of Rice

为探索水稻肥料高效施用技术,促进安徽水稻绿色生产。研究了不同化肥减量模式对水稻农艺性状、产量和经济效益的影响。结果表明,在减少化学肥料用量的基础上,施用控失肥料显著增加水稻产量。与农户习惯施肥(T2)相比,控失肥处理(T3、T4、T5)的水稻产量分别增加了7.91%、9.31%和10.32%,增产原因主要是穗数的增加,但一次性施用包膜控失肥(T6)下,其产量与农户习惯施肥无显著差异。控失肥处理(T4、T5)的水稻经济效益均高于农户习惯施肥,增幅为10.11%和10.97%。

In order to explore the efficient fertilizer application technology of rice and promote the green production of rice in Anhui Province,the effects of different models of reducing fertilizer on agronomic traits, yield and economic benefits of rice were studied. The results showed that on the basis of reducing the amount of fertilizer, the application of control loss type compound fertilizer significantly increased rice yield. Compared with farmer custom fertilizer(T2), the rice yield of treatments of applying control loss type compound fertilizer(T3, T4 and T5) increased by 7.91%, 9.31% and 10.32%, which was mainly due to the increase of ear number,but there was no significant difference between the farmer custom fertilizer and one time application technique(T6). The economic benefits of T4 and T5 treatments were higher than that of farmer custom fertilizer, with an increase of 10.11% and 10.97%.