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以往资料,绑塑料布、涂药环治枣步曲,部位都在树干基部,而我们调查发现村干中部(距地面40～70厘米)处理较好。试验中调查了不同高度处
Past data, tied plastic sheeting, Tuozao date jujube, parts are in the trunk base, and our survey found that the village of dry central (from the ground 40 to 70 cm) better treatment. The test surveyed at different altitudes