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Soil urease activity in winter wheat residue management systems

By: Barreto, H.J.
Contributor(s): Westerman, R.L [coaut.].
Material type: materialTypeLabelArticlePublisher: 1989Subject(s): Enzymic activity | Oklahoma | Soil | Textural soil types | Urease | Wheat straw | Winter crops | Zero tillage | Crop residues AGROVOC | Triticum In: Soil Science Society of America Journal v. 53, no. 5, p. 1455-1458618587, 619433Summary: The distribution of urease activity in the surface of a silt loam soil (UdicArgiustoll) and a clay loam soil (Udic Paleustoll) which had been in conventional, reduced, and no-till wheat residue management for four consecutiveyears was characterized. Soil cores 60-mm deep were taken from plots that had been fertilized with 168 kg urea-N ha - 1 yr - 1 and separated into 10-mm increments. Urease activity was determined in the soil increments and in mature undecomposed wheat straw. Urease activity was uniformly disturbed in the soil toa depth of 60 mm under conventional tillage. Significant increases in urease activity were measured in the surface 10 mm ofCollection: CIMMYT Staff Publications Collection
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Item type Current location Collection Call number Copy number Status Date due Barcode Item holds
Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Staff Publications Collection CIS-1207 (Browse shelf) 1 Available 618587
Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Staff Publications Collection CIS-1207 (Browse shelf) 2 Available 619433
Total holds: 0

Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0361-5995

Tables, graphs, references p. 1458

The distribution of urease activity in the surface of a silt loam soil (UdicArgiustoll) and a clay loam soil (Udic Paleustoll) which had been in conventional, reduced, and no-till wheat residue management for four consecutiveyears was characterized. Soil cores 60-mm deep were taken from plots that had been fertilized with 168 kg urea-N ha - 1 yr - 1 and separated into 10-mm increments. Urease activity was determined in the soil increments and in mature undecomposed wheat straw. Urease activity was uniformly disturbed in the soil toa depth of 60 mm under conventional tillage. Significant increases in urease activity were measured in the surface 10 mm of

English

MP|12010-R|3

CIMMYT Staff Publications Collection

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