产量因素

Effect of little-plants of Welsh onion (Alliums fistulosum L.) on yield was studied.

摘要对秋大葱不成株成因其产影响分析表明，遗传和栽培因影响大葱不成株产生。

Crop of 1 influence beet and sacchariferous are main element 1 . 1 rotate rotation of crops is unreasonable.

1影响甜菜产糖主要因1．1轮作倒茬不合理。