35 research outputs found

    Experiments with Fertilizers

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    Analyses of One Hundred West Virginia Soils

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    The Residual Effects of Fertilizers

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    Methods in Soil Analysis

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    Laboratory Manual for Students of Agronomy

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    The Peats of New Jersey and their Utilization

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    Cation and Anion Relationships in Plants and Their Bearing on Crop Quality 1

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    The Quality of Organic Nitrogen in Fertilizers.

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    Nitrogen Economy in Soils 1

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