紫云英留种后秸秆运用于一季稻免耕直播的效果

通过田间对比试验,研究了紫云英留种后秸秆运用于一季稻免耕直播的应用效果。结果表明:与传统一季稻直播技术比较,将紫云英留种后秸秆运用于一季稻免耕直播技术增加了一季紫云英种子生产,有利于缓解紫云英种子缺乏的现状;由于紫云英秸秆的还田利用,实现了化肥减量施用条件下一季稻产量的提高,对土壤有机质提升和土壤氮磷钾养分提高也有明显作用;采用紫云英留种后秸秆运用于一季稻免耕直播技术降低了一季稻种植的成本投入,提高了农民种植的经济收益。在农村劳动力日益紧缺和我国再次兴起的绿肥发展背景下,紫云英留种后秸秆运用于一季稻免耕直播技术具有较大的优势和发展前景。

Applying Effect of the Technology of Free-Tillage and Direct Seeding to Single-Season Rice Based on Chinese Milk Vetch Straw Returning

The application effect of technology of free-tillage and direct seeding to single-season rice based on Chinese milk vetch planting was studied by using ifeld contrast experiment. The result showed that compared with conventional technology of direct sowing single-season rice, technology of free-tillage and direct seeding to single-season rice based on Chinese milk vetch not only produced rice grain and harvested Chinese milk vetch seed, which was beneifcial to alleviate the current situation of the lack of milk vetch seed. The application of technology of free-tillage and direct seeding to single-season rice based on Chinese milk vetch obviously increased single-season rice grain yield, and had positive effect of soil organic matter and soil NPK nutrients because of returning of Chinese milk vetch straw. Applying the technology decreased the cost of planting single-season rice compared with conventional technology, and greatly increased farmers economic beneifts from agricultural cropping. The planting technology of free-tillage and direct seeding to single-season rice based on Chinese milk vetch planting has great advantage and development prospect in the current context of the increasing tension of labor shortage and the rising of green manure development again in the nation .