夏薯栽插时，气温已高，不再受温度的限制，但受前茬作物收获时间的影响，为了实现早栽、高产、病虫危害较轻，可在小麦收获前进行套栽。 　　一、麦垄套栽的意义 　　1.增产。甘薯是无性繁殖作物，生长时间越长，营养物质转化积累增加，因此增产显著。 　　2.改善品质。由于早 Summer planting, the temperature is high, no longer limited by the temperature, but affected by the harvest time of the former crop, in order to achieve early planting, high yield, pest less harmful, can be planted in wheat harvest before planting. First, the meaning of wheat ridge set planting 1. Increase production. Sweet potato is a vegetatively propagated crop, the longer the growing time, the accumulation of nutrients is increased, so the yield is significant. Improve the quality As early as