我们公社,几乎队队都种绿肥,但是绿肥产量差异很大,高产田块每亩可收获鲜绿肥近百担,低产田块甚至不能自给。为什么会有这样大的差别?管理得好与不好是个关键。当前,绿肥有两种类型:一种是土壤疏松,排水良好,肥料适当的田块,绿肥高度已有五寸左右,发棵好,地下根系茂盛,颜色白,这类田块既要防止发过头,又要防止 Our commune, almost all teams of green manure, but large differences in green manure yield, high-yield plots per harvest of green manure can be close to 100 cans, low-yield plots and can not even be self-sufficient. Why is there such a big difference? Well managed and not good is a key. At present, there are two types of green manure: one is loose soil, well-drained, appropriate fertilizer fields, green manure height of about five inches, hair good, underground roots lush, white color, it is necessary to prevent such plots Excessive, but also to prevent