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鼠害防治阈值
释义
鼠害防治阈值
Encyclopedia
农学
鼠害防治
释
threshold for rodent control
鼠害防治阈值
当防治鼠害所需要投入的成本(费用)大于或等于害鼠造成危害的种群数量。是由作物(或其他)受害水平来确定的。
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note file of the Tang Dynasty
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note of dwelling in mountain
Note on Viewing an Oil Painting in Paris
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Notes and Commentary on Ancient Texts about Meridians
Notes and Comments on the Vairochana Sutra
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Notes from Longchuan
Notes from the Jieyin Studio
Notes from Three Government Departments
Notes from Underground
notes of collation
Notes of Daguan Period
Notes of Dunhuang Fu
Notes of History
Notes of Ket Drum
Notes of Laoxue'an Studio
Notes of Plants in Pingquan Estate
Notes of the Sixth Inkstone Room
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