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选种、切块和药剂浸种处理选种选择安全越冬,未受冻害、抗病性强无病斑的夏薯,每个重100克左右,亩用种量40公斤。切块根据甘薯块顶端芽眼多,近根处芽眼少的特点进行切块。将薯种按长度分为上、中、下三部,从长度上各占1/3,用干净刀先将近根处的下部(1/3)切下,再纵切或2块,再将薯块(上、中部)十字形纵切或4块,然后在上、中部交接处切开,一个100克重的薯块共切成
Seed selection, dicing and drug seed treatment Select the safe selection of wintering, not frost damage, disease resistance and disease-free spot of sweet potato, each weighing about 100 grams, the amount of acres of 40 kg. Cut according to the top of sweet potato block bud more than the proximal root shoots less eye cut characteristics. According to the length of the potato is divided into three parts, from the length of each 1/3, with a clean knife near the bottom of the first root (1/3) cut, and then longitudinal or 2, and then Potato block (upper, middle) cross-shaped longitudinal slits or 4, and then cut in the upper and middle of the junction, a total of 100 grams of potato chips cut into