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及其时响分析表明，遗传和栽培因素同时响大葱不成株生。

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

1响甜菜及含糖主要因素1．1轮作倒茬不。