Methods of insect control
Detalles de publicación: Burgess Publishing CO; 1942Edición: 2 edDescripción: 135 pTema(s):
Contenidos:
Introduction
The principles of insect control
Economic importance of insects
Seasonal history
Life history
Host relationships
Planting or harvesting with reference to seasonal history
Early production
Rotation
Relation of crops or plants in adjacent fields
Effect of mixed stands of plants
Trap crops and the cotton bollworm problema
Varietal susceptibility and resistance
Insect control by soil management
Water Management
Sanitation
: Cultivation of crops and insect control
Direct mechanical control
The White grub problema
Insect enemies of insects
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Introduction
The principles of insect control
Economic importance of insects
Seasonal history
Life history
Host relationships
Planting or harvesting with reference to seasonal history
Early production
Rotation
Relation of crops or plants in adjacent fields
Effect of mixed stands of plants
Trap crops and the cotton bollworm problema
Varietal susceptibility and resistance
Insect control by soil management
Water Management
Sanitation
: Cultivation of crops and insect control
Direct mechanical control
The White grub problema
Insect enemies of insects
Inglés
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