【摘要】 栽桑养蚕投资少、见效快,比较效益高,但受茧价波动等诸多因素的制约,大面积发展蚕桑生产难度较大,而且桑园的丰产期仅为二三十年。栽植银杏的效益既高又稳,一次定植,长期收益,但投产较晚,前5a几乎无收益。为将银杏和蚕桑两种产业实现优势互补,探索出银桑高效栽培模式。更多还原

【Abstract】 Cultivation of Morus alba had advantages of low investment and high comparative efficiency, but it limited for large area production by the price of cocoon and only 20 30 pregnant years of M.alba stand. While cultivation of Ginkgo biloba had advantage both high and stable benefit but without any output in the first 5 years. Therefore, high Efficiency cultivation pattern for G. biloba and M. alba was studied for adjustment of agriculture structure.更多还原