【摘要】 重庆市涪陵区的桑树养成收获方式一直沿用冬伐。为了改革这一桑树栽培模式和合理调整养蚕布局,进行桑树夏伐试验。通过夏伐与常规冬伐桑比较、夏伐桑的生长发育调查和养蚕试验,在地势与肥培管理较好的涪陵后山蚕区实行桑树夏伐,不但桑树发育正常,长势良好,而且夏伐桑园蚕种饲养量和单产有所提高,说明夏伐是可行的,可以提高蚕桑经济效益。更多还原

【Abstract】 Winter pruning for mulberry cultivation has been adopted in Fuling district, Chongqing city. In order to reform this mulberry cultivation model and regulate silkworm rearing crops, the test on summer pruning was conducted, the result indicated that mulberry tree growing were normal and good, the cocoon output was increased, which shown that it was feasible to carry out summer prun- ing of mulberry trees in the field under good conditions located back side of the Yangzi River.更多还原