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甘薯膨大素是由淮阴市农学会、农科所、农业局联合研制生产的可调控甘薯生长发育的新型复配调节剂。近年来在全国甘薯主要产区试验示范推广达350万亩,增产效果显著。一般鲜薯增产10%～30%,1988～1990年全国87个试点平均增产27.2%。干率提高1.59个百分点,品质改善,商品价值提高,取得了较好的社会效益和经济效益。多年试验表明,膨大素对甘薯确有明显的增产效果,各类品种对膨大素反应的敏感程度不同,增产效果可以从10%～40%不
Sweet potato enlargement by the Huaiyin Institute of Agriculture, Institute of Agriculture, Bureau of Agriculture jointly developed and produced by the regulation of sweet potato growth and development of a new compound regulator. In recent years, the country’s major sweet potato production test demonstration reached 350 million mu, a significant increase in yield. General fresh potato yield 10% to 30%, 1988 to 1990 87 pilot average increase of 27.2%. Dry rate increased 1.59 percentage points, improve quality, improve the value of goods, made better social and economic benefits. Years of experiments show that the expansion of sweet potato does have a significant increase in the yield effect, various types of expansion of the reaction sensitivity of the different, increasing the yield can be from 10% to 40%