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1.选择良种 当前 ,生产上推广使用的一代杂交种有早熟 5号、小杂56、鲁白 1号、鲁白 6号、鲁白 8号、豫白 1号、山东 4号等。2 .茬口安排 大白菜对土壤的要求不严 ,除盐碱地大白菜生长不利外 ,一般土壤均可栽培。但是大白菜栽培不宜连茬。大白菜前茬宜选韭菜、大葱、大蒜等辛
1. Select the current species, production and promotion of the use of a generation of hybrids premature 5, small hybrid 56, Lu Bai 1, Lu Bai 6, Lu Bai 8, Yu Bai 1, Shandong 4 and so on. 2 stubble arranged Chinese cabbage on the lax requirements of the soil, in addition to the negative growth of cabbage bad soil, the general soil can be cultivated. However, cabbage should not be stubble cultivation. Chinese cabbage before the election should choose leeks, green onions, garlic and other Xin