论文部分内容阅读
江淮地区春大白菜栽培的适宜品种为北京小杂55和北京小杂60;北京小杂55应于3月27日播种,北京小杂60应于3月30日播种;田间合理密度,北京小杂55为5333株/亩,北京小杂60为4444株/亩;未用地膜覆盖,直播栽培;大肥大水,一促到底
Suitable varieties for spring cabbage cultivation in Jianghuai are Beijing Xiaoya 55 and Beijing Xiaoya 60; Beijing Xiaoya 55 should be sown on March 27, Beijing Xiaoya 60 should be sown on March 30; the reasonable density in the field, Beijing Miscellaneous 55 to 5333 plants / acre, Beijing Minza 60 to 4444 plants / mu; not covered with plastic film, direct seeding cultivation; Large fat and large water, a promotion to the end