The effects of calcium and magnesium carbonates on some biological transformations of nitrogen in soils Kelley, W. P. (Walter Pearson), 1878- creator text book Berkeley University of California Press [1912] 1912
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ENG Cover title. Carbonates Nitrification Soil microbiology University of California publications in agricultural sciences, v. 1, no. 3 https://www.biodiversitylibrary.org/bibliography/61348 10.5962/bhl.title.61348 CNO