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The soil : an introduction to the scientific study of the growth of crops
出版 1920主题: “...Soil analysis...”
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Post fires impact on soil properties and microorganisms in Chirpine and OAK forests of Uttarakhand
出版 2020主题: “...Soil...”
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The nature and properties of soils : a college text of edaphology
出版 1922主题: “...Soil analysis...”
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Transactions of the third international congress of soil science held at Oxford, England July 30th to August 7th, 1935.
出版 1935主题: “...Soil chemistry...”
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