Green manures and manuring in the tropics, including an account of the economic value of leguminosae as sources of food-stuffs, vegetable oils, drugs
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| Format: | biblioteca |
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Londres (RU) John Bale, Sons & Dantelsson
1916
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| Subjects: | ABONOS VERDES, LEGUMINOSAE, ABSORCION, NITROGENO, PIENSOS, TROPICOS, |
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