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优点和效果育足甘薯壮苗,能抢时间早栽,生长旺盛,抗逆性强,成活率高,发根快,发根早,易形成块根,能提高产量。据郑州市郊区十八里河公社贾寨三队试验,栽壮苗的,苗高6寸,有8—9展叶,平均百株苗重1.3斤,亩产鲜薯3,760斤,而栽弱苗的,苗高6寸,有6—7展叶,平均百株苗重1斤,亩产鲜薯3,320斤,壮苗比弱苗增产14.3%。
Advantages and Effects Fertility sweet potato strong seedlings, can grab the early planting time, vigorous growth, strong resistance, high survival rate, hair root fast, early root hair, easy to form roots, can increase the yield. According to the trial of Jiazhai Village in Shibalilihe commune, Zhengzhou, the seedlings were 6 inches tall and 8-9 leaves were planted. The average seedling weight per hundred was 1.3 kilograms, yielding 3,760 pounds of fresh potato per mu and planting weak Miao, seedling height 6 inches, 6-7 Zhanye, an average of 100 seedlings weight 1 kg, 3,320 kg per mu of fresh potatoes, strong seedlings 14.3% higher than the weak seedlings.