春肥叶施秋肥根施提高脐橙初结果树产量四川省长宁县近年来定植脐橙近千万株，多数已进入初结果阶段，尽管植株长势好，但结果量少，产量不高。笔者经过多年探索，认为春肥叶施、秋肥根施是提高脐橙初结果树早期产量的有效手段。秋肥一般于７月上中旬施，每６６６．７ｍ２... Spring Fertilizer Leaf Application of Autumn Fertilizer Roots Raise the Result Tree Yield of Navel Orange In recent years, nearly 10 million navel oranges have been planted in Changning County, Sichuan Province. Most of them have entered the initial result stage. Although the plants grow well, the results are few and the yield is not high. After years of exploration, the author believes that spring fertilizer leaf Shi, autumn fertilizer root Shi is to improve the early results of early navel orange tree effective means. Autumn fertilizer generally applied in mid-July, every 666.7m2 ...