文章摘要 关键词 桃小食心虫;苹果;卵果率;产量损失;经济阈值[gap=1213]Key words Carposina sasakii;apple;fruit infestation rate with eggs;yield loss;economic threshold
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percentage of yield loss 产量损失率
rice yield loss 水稻产量损失
crop yield loss 产量损失
wheat yield loss 小麦产量损失率
yield loss ratio 产量损失率
yield loss rates 产量损失率
yield loss model 损失模型
Yield loss of rape was caused by the marked decline of pods per plant.
油菜因商草生长而导致的产量损失,是直接通过每株角果数的大幅度下降而造成的。
参考来源 - (艹冂又)草(Beckmannia syzigachne)生物学生态学及其综合防治技术的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Thismethod is also suitable for monitoring drought and estimating yield loss of wheat in dry farming areas in northwest of China.
该方法适用于中国西北旱作小麦的干旱监测与灾损评估。
Improving maize resistance to corn borer is an economical and effective technique to reduce the yield loss caused by insect damage.
提高玉米自身的抗螟性以减轻虫害损失是一项经济、有效的方法。
This paper attempts to draw a general relationship between crop yield loss and chewing injury of reproductive organs by insect pests.
本文试从分散的材料中概括出主要大田作物繁殖器官被害与产量损失之间的一般关系。
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