The soils of 781 citrus orchards and 315 longan orchards in Fujian Province were analysed.
对福建省781个柑橘园和315个龙眼园的土壤进行分析。
The existence of other alternate foods in citrus orchards is of benefit to the predacious mites.
柑桔园中存在其它补充食物时对这两种捕食敌有利。
Our study suggested that the optimum amount of organic fertilizer in the red soil citrus orchards was about half of annual nitrogen fertilizer.
红壤柑桔园有机肥的施用量(指氮素)占总施肥量的一半左右是合适的。
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