近年来湖北襄阳一带苍溪梨果实上的褐斑病害，经研究证明，系磷、硼双缺引起。及时合理施硼，能迅速控制此病；保持土壤速效磷水平较高，可显著减轻受害程度 In recent years, Xiangyang, Hubei Cangxi pear brown spot disease on the fruit, the study proved that Department of phosphorus, boron deficiency caused by double. Timely and reasonable application of boron, can quickly control the disease; to maintain a high level of available phosphorus in the soil, can significantly reduce the degree of victimization