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油菜在南方稻区轮作制中,占有重要的地位。实行油稻稻轮作制,不但可以增加稻田的经济收入,而且是南方稻区人们解决食用植物油的一条重要途经。怎样实现油稻稻轮作制中的油菜持续高产呢?为了探讨这个问题,我们从1978年冬开始,在上饶县沙溪公社油麻圩大队潘家生产队,选择了十丘面积共计10.74亩、肥力中等的沙质壤土稻田,进行了连续四年的油菜高产栽培试验。十丘试验田面积大小不等,措施基本一致,未设重复。但四年的定位试验,可以当成是年度间的四次重复。
Rape in the southern rice rotation system, occupy an important position. The implementation of oil-rice rotation system will not only increase the economic income of paddy fields, but also be an important way for people in southern rice-planting areas to solve the problem of edible vegetable oil. In order to explore this issue, we started from the winter of 1978 in Panjia Production Team of Yaumati Wei Brigade, Shaxi Commune, Shangrao County, and selected 10.74 mu of total area of ten mounds, Middle-fertile sandy loam paddy field, conducted a four-year rapeseed cultivation experiment. Shiqiu experimental field of different sizes, the measures are basically the same, there is no duplication. However, the four-year pilot test can be regarded as four repetitions of the year.