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我省有几百万亩早、中稻和杂交稻种子田,在收稻后至播种小麦之前有六、七十天空闲时间。为充分利用光、热、水资源,增加绿肥饲料及有机肥源,我们从1974年以来开展了中稻茬增种短期绿肥的品种及高产技术研究。截至1980年共进行了876区/次试验,试验绿肥品种21个,小区面积38.4亩,中间试验555.4亩。现就研究的结果作以下简报:
There are several million mu of early, middle and hybrid rice seed fields in our province and six or 70 days of free time before the harvest of rice and sowing of wheat. In order to make full use of light, heat and water resources and increase green manure and organic fertilizer sources, we have carried out the research on the varieties and high-yielding techniques of short-term green manure with medium-short stalk additions from 1974. As of 1980, a total of 876 districts / sub-tests were conducted, 21 green manure varieties were tested, the plot area was 38.4 mu, and the intermediate test was 555.4 mu. Now on the results of the study made the following briefing: