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zhong hao za jiao shui dao cu jin liang shi zeng chan
Pages: 18-21
Year: Issue:  3
Journal: Reclaiming and Rice Cultivation

Keyword:  粳型杂交稻粳型杂交水稻结实率千粒重平均亩产大面积推广粮食增产增产幅度有效穗数基本苗;
Abstract: <正> 粳型杂交水稻培育成功,为水稻大幅度增产开辟了新的途径。营口地区从1976年开始试种粳型杂交稻黎明 A×C57、丰锦 A×C57,经77、78两年多点试验、示范,79年进行了大面积推广,种植面积达309,236亩,80年种植32.7万亩,占我市水稻面积近20%,占辽宁省杂交稻面积的69.6%,占全国粳型杂交稻面积的58.4%。二年大面积生产实践,杂交稻平均亩产超千斤,多数田块亩产1000~1200斤,增产幅度达一至二成以上,初步估算两年可增
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