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我市于1984年4月从陕西省子长县间峪岔乡毛家河村引进了“多次条桑收获养蚕”新技术,经过三年的试点推广证明,这种新技术有四点好处:一是方法简便省工,能提高采片叶工效4—5倍;二是能使春、夏、秋养蚕布局合理,提高产叶量12—20％;三是既适用于乔术桑、低秆桑、地埂桑和零星桑,又适应不同品种、不同养成形式桑园的桑树生长特点,对桑树没有不良影响,并能促使生长旺盛;四是春、夏、秋三期均可采伐条叶养蚕。
In April 1984, the city introduced a new technology called “multiple harvesting of silkworms” from the village of Maojiahe, Yucha Township, Zichang County, Shaanxi Province. After three years of pilot promotion, the new technology has four advantages : First, the method is simple and labor-saving, can improve the leaf mining efficiency 4-5 times; the second is to make spring, summer and autumn sericulture reasonable layout, increase leaf yield 12-20%; Third, both applicable to Joe Mulberry , Low-stalk mulberry, ground mulberry and sporadic mulberry, and adapt to different varieties, different forms of mulberry mulberry growth characteristics of the mulberry tree has no adverse effects, and can promote vigorous growth; Fourth spring, summer and autumn are three Cutting leaves sericulture.