Filters: Tags: Analysis of covariance (X)
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Irrigation and rain-out shelters were used to simulate precipitation patterns of wet and dry years in the northern Chihuahuan Desert. Irrigation provided approximately double the long-term average monthly precipitation. Rain was excluded during the wet season, July-October, to simulate a dry year. N net mineralization in laboratory incubations was undectable at calculated water potentials less than -1 MPa. Witb increasing moisture, mineralization gradually rose to the highest observed rates near field capacity. There was no mineralization maximum at moisture contents below field capacity. Irrigation significantly increased the water potential and rainfall exclusion reduced water potentials to less than-8 MPa. The...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: Analysis of covariance,
Biology and Fertility of Soils,
Chihuahan Desert,
Field capacity,
Larrea tridentata,
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