天然芸苔素是新型的植物内源生长激素,植物动力2003是一种能为植物提供充足均衡营养的高浓缩叶面营养液肥,在多种作物上应用均取得了较好的效果,为此,1999年选用这两种激素对甘薯进行试验,研究其对甘薯经济性状及产量、效益的影响,为大面积推广应用选择最佳药剂提供依据。1　材 Natural Brassin is a new endogenous plant growth hormone, plant dynamics 2003 is a plant can provide adequate and balanced nutrition foliar nutrient concentrate fertilizer, applied to a variety of crops have achieved good results, for which In 1999, the two hormones were selected to test the sweet potato, and its effects on economic traits, yield and benefit of sweet potato were studied, which provided the basis for choosing the best medicament for large-scale popularization and application. 1 material