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Effects of Cover Crops and Organic Mulch on Soil Fertility and Tomato Yields in a Subtropical Region. |
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Effects of Salinity and Flooding on Growth of Bald Cypress (Taxodium distichum (L.) Rich.). |
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Influence of Leguminous Cover-Crops on Phosphorous Fractions on a Peruvian Amazon Soil. |
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Phosphorus and Sulfur in Everglades of Florida. |
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Temperature Quotients of Ammonia Emission for Different Nitrogen Sources Applied to Four Agricultural Soils. |