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夏橙需留树越冬 ,挂果时间长 ,冬季气温低 ,在我地如果冬季不管理 ,落果将达到 4 0 %～ 70 %。落果主要在 1月上旬至 2月下旬 ,主要是由于冬季持续低温 (约 10℃以下 )而致。其冬季管理要点如下 :一是在秋末冬初 ,加强肥水管理。据试验 ,可增大秋末施肥量 ,以长效肥为主 ;减少?
Summer orange need to stay tree wintering, fruiting long time, the winter temperature is low, in my winter if not managed, fruit drop will reach 40% ~ 70%. Fallen fruit mainly from early January to late February, mainly due to the continued low temperature in winter (about 10 ℃ below) caused. The winter management points are as follows: First, early autumn and winter, to strengthen fertilizer and water management. According to the test, increase the amount of late autumn fertilizer to long-term fertilizer-based; to reduce?