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一、播前准备工作 1.正确选用良种在同样的栽培条件下,良种较一般品种可增产30%-50%,尤其是晚疫病流行年份或马铃薯退化严重的地区,推广抗病品种可以成倍增产,甚至更多。
First, the pre-sowing preparatory work 1. Proper selection of elite Under the same cultivation conditions, improved varieties than the average yield of 30% -50%, especially late blight epidemic or potato degeneration serious areas, to promote disease-resistant varieties can be doubled Increase production, even more.