蚕豆是我县的主要春粮作物之一,目前,普遍存在产量很低且又不稳的问题。据13年资料统计,全县平均亩产129.1斤,其中1973年仅91斤,最好的1982年,亩产也只有169斤。单产高的田块也只不过200来斤。为了改变低产局面,除引进慈溪大白蚕、上虞田鸡青等品种试种外,并对农家品种一类早和二类早的栽培技术进行探讨。这两个品种具 Broad bean is one of the main spring grain crops in our county. At present, there are widespread problems of low yield and instability. According to statistics for 13 years, the county average yield 129.1 kg, of which only 91 kg in 1973, the best in 1982, only 169 pounds per mu. High yield plots are only 200 pounds. In order to change the low-yielding situation, in addition to introducing Cixi Da Bai silkworm, Shangyu Tianjiqing and other varieties of trial, and a variety of farm varieties of early and second class early cultivation techniques are discussed. These two varieties have