我省油茶、油桐、油菜广有种植,产饼量很大。据不完全统计,全省种植面积470万亩,年产饼肥4500万斤,是果区的重要肥源。目前的问题是应用这些饼肥对改土培肥的效果尚少研究。为此,我们从一九七五年开始在永春天马山柑桔场和永春湖洋公社桃源大队果场的成年芦柑园进行长达四年的试验观察。试验在纯氮量施用水平一致的情况下,设茶子饼、桐子饼、菜子饼、花生饼(对照)四个处理。 Our province camellia, tung tree, rape widely planted, a large amount of cake. According to incomplete statistics, the province’s planted area of ​​470 mu, with an annual output of 45 million kilograms of cake, is an important source of fertilizer in the fruit area. The current problem is the application of these cake fertilizer on soil fertility is still less research. To this end, we have been carrying out a pilot study for four years in citrus groves of Tianma Mountain in Yongchun and Adult Citrus Orchards in the Taoyuan Brigade Fruit Farm of Yongchun Lake Commune since 1975. In the case of the same level of pure nitrogen application, tea seed cake, jatropha cake, rapeseed cake and peanut cake (control) were set as four treatments.