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红薯是一个高产稳产作物。它是国需民用的主要农作物之一。同时,叶、蔓、渣又是养猪的好饲料。努力提高红著产量,对发展养猪积肥,猪多、肥多、粮食多,为尽快普及大寨县有着重要意义。目前影响红薯高产的原因之一,就是品种严重混杂退化。为此,必须抓好红薯提纯复壮工作,有计划有步骤地扩大普及原种面积,作到边提纯、边种植、边推
Sweet potato is a high and stable crop. It is one of the major crops for national needs. At the same time, leaves, vine, slag is a good feed for pigs. Efforts to improve red yield, the development of pig fat, pigs, fat, more food, as soon as possible to popularize Dazhai County is of great significance. At present, one of the reasons that affect the high yield of sweet potato is that the varieties are seriously mixed and degraded. To this end, we must grasp the work of sweet potato purification and rejuvenation, there are plans to step by step to expand the area of popular species, as edge purification, edge planting, while pushing