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哈尔滨市大白菜栽培面积约10万亩,除近、中郊地区部分利用早夏菜复种可灌水外,白菜主产区基本分布在远郊岗地,采取和粮食作物轮作,前季休闲晒茬,没有灌溉条件,完全依靠自然降水进行栽培。因此,大白菜生育期降雨量的多少,常常成为白菜丰大年的重要指标。 1983年3月,赵紫阳总理视
Harbin cabbage cultivation area of about 100000 acres, in addition to near, suburbs of some early summer and summer can be used for irrigation, cabbage main producing areas are basically distributed in the suburbs, to take and crop rotation, the first season of leisure sun drying, no Irrigation conditions depend entirely on natural precipitation for cultivation. Therefore, the number of Chinese cabbage rainfall during the growing season, often become an important indicator of cabbage Fengnian years. March 1983, Premier Zhao Ziyang