Section 14
Chapter 13,793

Plant nutrient utilization, effect of uptake of radiocalcium

Jacobs, H.S.; Jordan, J.V.

Journal of Agricultural and Food Chemistry 2: 934-937


ISSN/ISBN: 0021-8561
DOI: 10.1021/jf60038a004
Accession: 013792084

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In pot experiments using Ca45-labelled materials with barley in a silt loam (pH 6), significantly more Ca was supplied to the soil exchange complex by CaSO4, and more soluble Ca was furnished by a green-manure crop of peas, than by CaCO3. There was a correlation between the ratios of soil Ca: fertilizer Ca on the soil exchange complex and in the crop. The pH and the very low concentrations of soluble Al, Fe and Mn did not affect Ca availability to barley.

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