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Author: | Year: | Content: | Download: |
Rao, G.V. Ranga | 1993 | Farmers take a leap of faith: Drop pesticides and costs, but not yield. | download 25 kb |
Klass, C. | 1993 | Nature's botanical insecticide arsenal. | download 27 kb |
Organic gardening and farming magazine | 1972 | A companionate herbal for the organic garden. | download 69 kb |
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