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Insect pests. (32) |
Pests -- Control. (32) |
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Insect pests. (32) |
Pests -- Control. (32) |
Insecticides. (5) |
Trees. (3) |
Insects. (2) |
Livestock productivity. (2) |
Pests -- Integrated control. (2) |
Sunflowers. (2) |
Wheat. (2) |
Barley. (1) |