The effect of calcium carbonate of certain soil constituents and on plant growth
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This thesis examines the use of calcium bicarbonate (lime) as soil augmentation. It covers the physical, physiological, bacteriological, and chemical effects of lime in soils, and also the historical use of lime and its sources. From page 9 "Scope of Problem": It is the purpose of this investigation to secure data on the effects of adding calcium carbonate in the form of ground limestone to types of soils of common occurrence in the state of Missouri. These effects were studied in crop yields, in per cent of grain in cereal crops, in inoculation of clover in the soil reaction, and in amount of nitrates present as well as the easily soluble phosphorus and potassium contained in the soil.
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