Introduction to integrated pest management /
Improve your English. /
Vertebrate pest control and management materials /
Crop spraying.
Crop sprayers.
Crop production.
Fertilizer proportioners for floriculture and nursery crop production management /
Chemical Control of Insects /
Crop sprayers Merlin.
Field Crop Abstracts.
Respiration and crop produktivity /
Diseases of Vegetable Crops.
Crops in peace and war.
La peste /
Systems approaches for improvement in agriculture and resource management. /
Rabbits in relation to crops.
The production of field crops.
Diseases of field crops.
Synthetic perfumes : their chemistry and preparation /
Test methods for vertebrate pest control and management materials /
Chemicals for crop improvement and pest management /
Physical principles of pesticide behaviour : the dynamics of applied pesticides in the local environment in relation to biological response /