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陕北群众素有栽桑养蚕的习惯。北部风沙区主要栽植灌丛式的矮桑,丘陵沟壑区则多植乔木甜桑、吴堡桑。为了加速陕北黄土高原的开发治理,振兴陕北蚕业,多年来我们在子长县对黄土高原桑树丰产特性进行了初步研究。一、现有桑园的生产潜力 1.长城沿线风沙滩地区桑树养成形式为根刈无干丛生桑类型,群众俗称“桑扑子”,品种有大花桑、灰桑等。历史上在神、府、佳、榆及横山等县的北部曾分布桑扑子两万余亩。群众利用这种矮桑防风固沙,采叶养蚕、砍条编织。
The people of northern Shaanxi known as the habit of mulberry sericulture. The northern windy area is mainly planted bushy dwarf mulberry, hilly and gully areas are planted more trees sweet mulberry, Wu Fort Sang. In order to speed up the development and management of the loess plateau in northern Shaanxi and rejuvenate sericulture in northern Shaanxi, we conducted a preliminary study on the yield-rich characteristics of mulberry in the Loess Plateau over the years. First, the potential of the existing mulberry production 1. The wind mulch along the Great Wall area of the form of mulberry mulberry regrowth for the root mulberry dry type, the masses commonly known as “Sang Puzi,” a large flower Sang, gray mulberry and so on. Historically in God, House, good, elm and Yokoyama and other counties in the north have distributed Mulberry more than 20,000 acres. The masses use this dwarf mulberry wind sand, pick silk sericulture, cut the knitting.