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近年来,随着种植结构的调整,青龙县枸杞栽培 面积已达800hm2(亩),并已成为国内北方枸杞生产 大县。据调查:目前危害枸杞的病虫害呈逐年加重发
In recent years, with the adjustment of planting structure, Qinglong County wolfberry cultivated area has reached 800hm2 (mu), and has become the northern county of wolfberry production. According to the survey: the current pests and diseases endangering wolfberry increased year by year