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tao yuan qiu dong ji de guan li
Author(s): 
Pages: 68
Year: Issue:  1
Journal: Deciduous Fruits

Abstract: 冬季清理桃园,将落叶、杂草、落果、树上僵果、病虫枝等集中烧毁或深埋.清园后树上、地面均匀地喷药,可有效降低越冬病虫害基数,减少翌年病虫害的发生. 秋施基肥,9月下旬至10月上旬最迟在土壤封冻前施入.主要施入有机肥如腐熟的猪、牛、羊粪,土杂肥和饼肥等,基肥施用量应占年施肥量的70%左右.同时有机肥混入适量氮磷钾肥,以提高肥效.幼树和初结果桃树施氮、磷、钾按1:1:1比例,盛果期桃树需钾量多,每10kg桃果约需氮0.46kg、五氧化二磷0.2kg、氧化钾0.7kg.施基肥采用环状沟、条状沟、辐射状沟均可,在树冠投影边缘以内挖沟深40~50cm,将肥料和土混合后填入.
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