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万公顷大豆单产超３吨李万常，马建华，蒋迪飞（黑龙江省赵光农场）赵光农场地处低平丘陵地带，无霜期１１６天，年平均气温０．４℃≥１０℃活动积温在２２００℃左右，属黑龙江省第四积温带。现有耕地面积２．４万公顷，其中大豆播种面积０．９万公顷，产值和效益均占５...
10,000 hectares of soybean yield over 3 tons Li Wanchang, Ma Jianhua, Jiang Difei (Heilongjiang Zhao farm) Zhao light farm is located in low hilly areas, frost-free period of 116 days, the annual average temperature of 0.4 ℃ ≥ 10 ℃ active accumulated temperature of about 2200 ℃, Heilongjiang Province is the fourth accumulated temperate zone. The existing area of 24,000 hectares of arable land, of which sown area of 19,000 hectares of soybean, the output value and effectiveness of both 5 ...