Soil acidity and its relation to the production of nitrate and ammonia in woodland soils Clarke, George Robin. creator text bibliography enk Oxford The Clarendon press 1924 monographic eng
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27 p. illus., map, diagrs. (part fold.) 28 cm. by G. R. Clarke. Bibliography: p. 6-7. Forest soils Soil acidity Nitrates Ammonia S593.5 .C55 Oxford forestry memoirs, no. 2 agr24000617 U.S. Dept. of Ag. Libr. 810918 20260227110944.0 agr24000617