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首次进行西瓜——两系杂交稻培杂山青秋制轮作试验获得成功;西瓜单产37.4 t/hm 2,杂交种子单产2.69 t/hm 2。介绍了其两熟栽培的条件、技术与经济效益。
The first successful watermelon-two-line hybrid Peiqingshanqing autumn rotation test was successful; watermelon yield of 37.4 t / hm 2, hybrid seed yield of 2.69 t / hm 2. The conditions, technology and economic benefits of its double ripe cultivation are introduced.