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为探讨干旱山地山楂基肥施入的最佳时期,我们于1987年7月30日(雨季)和10月25日(秋季),进行了施基肥时期的对比试验。现简报如下。
In order to explore the optimum period for basal application of hawthorn basal fertilizer in arid mountainous areas, we conducted the comparative experiments on the base fertilizer stage on July 30, 1987 (rainy season) and October 25 (autumn). Now briefing as follows.