主要研究结果如下：(1)江津市柑橘果园土壤灰棕紫泥常量元素背景值。
The main result of study is as follows: (1) Citrus orchard soil greyish brown purple mud constant element background value in Jiangjin.
研究结果为果树仿行喷雾控制和果园果树生长信息采集提供了技术方法。
The research results provide methods for the control of fruit tree profile spray and collecting information on fruit tree growth.
结果表明，一些果园地区由于长期使用波尔多液，土壤铜含量严重超标。
The results showed that many orchard soils had been polluted by cupric pesticides, in some cases, the contents of copper were even higher than that of official standard.
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