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Studies on soil reaction. VIII. The influence of fertilisers and lime on the replaceable bases of a light acid soil after fifty years of continuous cropping with barley and wheat. (An examination of the stackyard field plots, Woburn Experimental Station.)
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1931, 21
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MATTSON SANTE, 1926, JOUR AMER SOC AGRON, V18, P458
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Oden S., 1919, HUMINSAUREN KOLLOIDC, V11, P75, DOI [10.1007/BF02557436, DOI 10.1007/BF02557436]