论文部分内容阅读
上海市种植奶牛青料玉米共有6万余亩,其中国营农场、牛奶公司各种植3万多亩。长期来,由于青料玉米的亩产量不高,难以满足奶牛对饲料的需要,影响奶牛业的发展。为提高本市副食品自给率和解决本市居民吃奶难的问题,必须发展青料玉米生产。经多年生产,我们总结出青料玉米高产栽培技术,并已大面积推广。近年,我局所属的3万多亩青料玉米稳定在3000公斤/亩左右,其主要技术措施有如下七个方面。
Shanghai, planting a total of more than 60,000 acres of cows green corn, which state-owned farms, dairy companies planted more than 30000 acres. In the long run, due to the low yield per acre of green corn, it is difficult to meet the needs of dairy cows and affect the dairy industry. In order to raise the self-sufficiency rate of non-staple food in this Municipality and to solve the problem of eating hard in our city, we must develop the green-maize production. After many years of production, we conclude greening corn high-yielding cultivation techniques and have been widely promoted. In recent years, more than 30,000 acres of green corn owned by our bureau have been stabilized at about 3,000 kg / mu. The main technical measures are as follows.