优化养蚕布局提高经济效益

随着知识经济的迅速发展，给传统的技术含量低的养蚕业带来了冲击，迫切要求改进养蚕技术，提高劳动生产率，饲养二春蚕就是适应这一形势需要而形成的省力化、经济化养蚕新技术。本文从桑树生长规律，养蚕防病技术措施等五个方面阐述了饲养二春的可行性，它也是提高养蚕经济效益的有效措施。

Optimizing arrangement for silkworm rearing crops and increasing profit

The traditional sericultural industry which included low technique component, was greatly influenced by the rapidly developing economy. Therefore, it was very urgent to improve the technique of silkworm rearing and labour productivity. Rearing silkworm twice in the spring season was a new trial which could save labour cost so as to suit for the present situation. The paper mainly stated the possibility of rearing silkworm twice in spring season from five aspects including the growth of mulberry tree and diseases prevention. It was also proved that it was a good way to increase profit from silkworm rearing.