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桔园种植绿肥,不单增加植株养分、降低经营成本,而且具有生态学方面的广阔意义。我所从五十年代以来,对桔园绿肥作了一些研究,现结合国内外有关资料,阐述如下。一、绿肥防止桔园土壤冲刷的作用我省大面积的红壤丘岗桔园,虽然大都是整梯定植,但由于春、夏多雨的自然条件,如果忽视水土保持措施,则往往造成水土严重流失,土壤肥力长期得不到提高,甚至贻害稻田。这些教训在国内
Orange plantation of green manure, not only increase plant nutrients, reduce operating costs, but also has broad ecological significance. Since the 1950s, I have made some research on green manure from Orange Garden. Now I combine the relevant data both at home and abroad and elaborate on the following. First, the role of green manure to prevent the erosion of the orange garden soil Orange province, a large area of red mounds, although most of the ladder planting, but due to spring, summer and rainy natural conditions, if ignored soil and water conservation measures, often resulting in serious loss of water and soil , Long-term soil fertility can not be improved, and even detrimental to rice fields. These lessons are at home