Characterization of Soil Amended with the By-Product of Corn Stover Fermentation
Jane M. F. Johnson*,a,
Don Reicoskya,
Brenton Sharrattb,
Michael Lindstrom
,a,
Ward Voorhees
,a and
Lynne Carpenter-Boggsc
a USDA-ARS, 803 Iowa Ave., Morris, MN 56267
b USDA-ARS, 213 Smith Hall, WSU, Pullman, WA 99164-6120
c Dep. of Plant Pathology, P.O. Box 646430, Washington State University, Pullman, WA 99164-6430

View larger version (29K):
[in a new window]
|
Fig. 1. Average soil column temperature and volumetric soil water during experiment. The soil had a bulk density of 1.3 Mg m3, and a porosity of 0.509 m3 m3; a volumetric soil water content of 0.306 m3 m3 corresponds to a water-filled pore space of 0.60 m3 m3.
|
|

View larger version (17K):
[in a new window]
|
Fig. 2. Concentration of humic acid as a linear function of by-product concentration 123 d after amending a severely eroded soil with the by-product following corn stover fermentation.
|
|

View larger version (19K):
[in a new window]
|
Fig. 3. Water-stable aggregates from air-dried severely eroded soil as a linear function of by-product concentration 123 d after amending a severely eroded soil with the by-product following corn stover fermentation.
|
|
Copyright © 2004 by the Soil Science Society of America.