单植和混栽苹果园梨小食心虫发生动态及预测方法研究
吕 兴1, 李 进1, 闫 峰2, 祝海坡3, 曹克强1, 王勤英1
河北农业大学学报 ›› 2013, Vol. 36 ›› Issue (5) : 86-89.
单植和混栽苹果园梨小食心虫发生动态及预测方法研究
The occurrence dynamic and forecasting method of Grapholitha molesta Busck in single and mixed apple orchards
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