梯田坝坡条桑养蚕布局与合理用叶的试验研究

目的]为梯田坝坡条桑养蚕布局与合理用叶提供参考。方法]调查不同开采时期和不同采叶程度对新梢生长量的影响，并根据试验结果分析确定养蚕布局和采叶标准。结果]养蚕布局：确定5月30日为全年养蚕起始收蚁日期（桑叶开采日期），春、夏、秋蚕饲养比例分别占全年养蚕量的30％、20％、50％；采叶标准：稚蚕期轮流采叶，每次1片，5龄期大量采叶时，春蚕以每条留7片叶为宜，夏蚕以每条留15片叶为宜，秋蚕以每条留7片叶为宜。结论]合理利用条桑叶养蚕能增加条桑的经济收益．应大力推广。

Study on Sericulture Layout of Shrubby Mulberry and Rational Usage of Leaf in Terraced Slope

Objective] The aim was to provide reference for sericulture layout of shrubby mulberry and rational usage of leaf in terraced slope.Method] Effects of different plucking periods and plucking degree on shoot growth were investigated,then the sericulture layout and plucking standard were determined according to the test result.Result] Sericulture layout: May 30th was determined as plucking beginning date,sericulture proportion of spring,summer,and autumn accounted for 30%,20%,50% of the whole year;plucking...