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膨大素是一种植物生长调节剂的复配剂,它能提高马铃薯光合效率,可将较多的光合产物运送到马铃薯块茎内,提高经济系数.近年来,江苏、四川、云南等省在甘薯上应用面积较大。1988年山西省开始引进并在马铃薯上应用,我
In recent years, Jiangsu, Sichuan, Yunnan and other provinces in sweet potato (sweet potato), sweet potato (sweet potato), sweet potato On the larger application area. Shanxi Province in 1988 began to introduce and apply on the potato, I