地膜棉花优质高产目标管理栽培模式

获得优质高产地膜棉花的生产体系是使用早热品种,进行种床准备、适期早播、采用高密度(1～1.2万亩收获株数)、矮化植株(株高65～70厘米)、早打顶、播前深施基肥、盛蕾、盛花期两次追肥,合理灌溉等栽培管理直至收获的整体结合。整体生产体系是根据北疆无霜期短,热量资源有限,不同土壤条件设计的,是以多年对地膜棉花生长发育系统观察测定而形成的发育进程式为依据。其地膜棉花发育进程式是四月中旬播种,5月上旬出苗,6月上旬现蕾,7月上旬开花,8月下旬成热。

A planting and management pattern of the cotton mulched with plastic tarpaulis for high production and good quality

the production system, of the cotton mulched with plastic turpa-ulis, for high production and good quality. Ls the integratiou of early cotton, cultivar Seedbed, prepararation suitable early plantinge, cdoser planting (10000 to 12000 plantslmu) shortting plants (height of plants 65 to 65 cm) breaking off the terminal applying fertilizer deeply before planting reach peak bud and reach peak flouring applying fertilizer twice again Irrigation rationally planting and cultivation up to havest Entirety production system is desinged according to short forst-free days finite heat source and different soil coucetion in the North of Xinjiang and base on the cotton development scheme forued by obsa-rving surveg amel caeculatimg the production system of the cotton mulcned with plastic tarpauls a few years the cotton development scheme is planting in middle April emerging in early May squaring in early June bloom early July maturing in late August.