Clone-Specific Response in Leaf Nitrate Reductase Activity among Unrelated Hybrid Poplars in relation to Soil Nitrate Availability
Linear relationships between soil supply rate and soil tube in situ incubations in riparian soils for 3 variables: (a) initial concentration in soil tube soils prior to incubation, (b) final concentration in soil tube soils following a 24 day incubation period, and (c) nitrification rate in soil tube soils during a 24 day incubation period. All relationships are significant at .
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