黄河三角洲地区短季棉无膜栽培的种植表现和效益分析

通过短季棉鲁棉532覆膜晚播和无膜晚播种植模式与春棉鲁棉258常规种植模式进行比较,探索适宜山东黄河三角洲地区气候地理条件的短季棉最佳种植模式,为大面积推广短季棉种植模式提供依据。结果表明,短季棉覆膜晚播种植模式对促进生长、增产、增效效果不突出;短季棉无膜晚播种植模式比其他模式可明显减少管理用工,降低植棉投入,比覆膜晚播效益略高,比春棉产量和效益均降低。建议采用短季棉无膜晚播与黑麦草(饲草)连作模式在黄河三角洲地区大面积推广,以提高短季棉的种植效益。

Planting Performance and Benefit Analysis of Short-season Cotton Nonmembrane Cultivation in the Yellow River Delta Region

By comparing the planting mode of short-season cotton Lumian 532 with the conventional planting mode of spring cotton Lumian 258,the optimal planting mode of short-season cotton suitable for the climatic and geographical conditions in the Yellow River delta region of Shandong province was explored,which provided a basis for the promotion of short-season cotton planting mode in a large area.The results showed that the effect of short-season cotton mulching late planting mode on promoting growth,increasing yield and increasing efficiency was not prominent.Compared with other methods,the short-season cotton film-free late sowing planting mode could significantly reduce the management labor,reduce the cotton planting input,slightly higher than the film mulching late sowing benefit,than the spring cotton yield and benefits ware reduced.In order to improve the planting efficiency of short-season cotton,it was suggested to adopt the mode of film-free late planting of short-season cotton and continuous planting of ryegrass(forage grass)in the Yellow River delta region.