在您的搜尋 主題建議
在您的搜尋 主題建議
Adaptation
1
Arable land
1
Biological Control
1
Biological control
1
Chemical control
1
Cover crops
1
Crop weed competition
1
Cultural control
1
Environmental Pest Management
1
Environmental factors
1
Establishment
1
Field crops
1
Herbicides
1
Integrated Pest Management
1
Integrated control
1
Life form
1
Mulches
1
Mulching
1
Natural enemies
1
Other Control Measures
1
Pesticides and Drugs; Control, (New March 2000)
1
Physical control
1
Plant Ecology
1
Plant Morphology and Structure
1
Plant ecology
1
Plant succession
1
Seed germination
1
Seedling emergence
Soil Management
1
Tillage
1
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1