Nitrogen Availability through a Coarse-Textured Soil Profile in the Shortgrass Steppe
M.B. Dodda,b,
W.K. Lauenrotha,d and
I.C. Burkec,d
a Dep. of Rangeland Ecosystem Sci., Colorado State Univ., Fort Collins, CO 80523 USA
b New Zealand Pastoral Agriculture Research Inst. Ltd (AgResearch), Ruakura Research Centre, Private Bag 3123, Hamilton 2001, New Zealand
c Dept. of Forest Sci., Colorado State Univ., Fort Collins, CO 80523 USA
d Natural Resource Ecology Lab., Colorado State Univ., Fort Collins, CO 80523 USA

View larger version (46K):
[in a new window]
|
Fig. 1 Total soil C and N in a loamy sand soil profile (bars denote standard errors)
|
|

View larger version (34K):
[in a new window]
|
Fig. 2 Potential net N mineralization in a loamy sand soil profile, based on 30-d aerobic laboratory incubations (bars denote standard errors)
|
|
Copyright © 2000 by the Soil Science Society of America.