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Year 2008 Remove constraint 2008: 2008 Subjects trees Remove constraint trees: trees Subjects enzyme activity Remove constraint enzyme activity: enzyme activity
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1. Changes in polyamines, inorganic ions and glutamine synthetase activity in response to nitrogen availability and form in red spruce (Picea rubens)

Description:
Includes references
Author:
Serapiglia, Michelle J. , Minocha, Rakesh , Minocha, Subhash C.
Subject:
Picea rubens , trees , nitrogen , bioavailability , polyamines , glutamate-ammonia ligase , enzyme activity , nitrate nitrogen , ammonium nitrogen , plant growth , cell growth , plant response , cell culture , ions , manganese , zinc , calcium , toxicity , acid deposition
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

2. Microbial communities and enzymatic activities under different management in semiarid soils [Erratum: 2008 July, v. 39, no. 3, p. 358.]

Description:
Includes references
Author:
Acosta-Martínez, V. , Acosta-Mercado, D. , Sotomayor-Ramírez, D. , Cruz-Rodríguez, L.
Subject:
semiarid soils , soil microorganisms , soil enzymes , enzyme activity , community structure , land use , agricultural soils , crop management , pastures , trees , soil organic carbon , nitrogen , soil properties , Puerto Rico
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

3. Variations in soil aggregate stability and enzyme activities in a temperate agroforestry practice

Description:
Includes references
Author:
Udawatta, Ranjith P. , Kremer, Robert J. , Adamson, Brandon W. , Anderson, Stephen H.
Subject:
soil properties , conservation buffers , grasses , trees , cropping systems , vegetated waterways , soil aggregates , aggregate stability , crop rotation , soil enzymes , enzyme activity , nitrogen , carbon , DNA , corn , soybeans , Zea mays , Glycine max , nonpoint source pollution , soil microorganisms , biodiversity , Missouri
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008