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Studies on the potassium-supplying capacities of southern Ontario soils. II. Nitric acid extraction of nonexchangeable K and its availability to crops

Author:
Richards, J.E., Bates, T.E.
Source:
Canadian journal of soil science 1988 v.68 no.2 pp. 199-208
ISSN:
0008-4271
Subject:
Medicago sativa, clay soils, cation exchange capacity, potassium, extraction, nitric acid, Ontario
Agid:
1485172