HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in ISI Web of Science Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via ISI Web of Science (20) Citing Articles via Google Scholar Google Scholar Articles by Rasse, D. P. Articles by Santos, D. Search for Related Content PubMed Articles by Rasse, D. P. Articles by Santos, D. Agricola Articles by Rasse, D. P. Articles by Santos, D.

Alfalfa Root and Shoot Mulching Effects on Soil Hydraulic Properties and Aggregation

Crop and Soil Sciences Department, Plant and Soil Sciences Building, Michigan State University, East Lansing, MI 48824-1325 USA

View larger version (32K): [in a new window]   Fig. 1 Volumetric soil water contents in the Ap, Bt1, and Bt2 horizons of soils under bare fallow (open circle), bare fallow with alfalfa shoot mulch (open square), alfalfa with shoots removed and roots remaining (filled circle), and alfalfa with alfalfa shoot mulch (filled square), and daily rainfall measurements in 1995. Fisher's least significant differences (LSD0.05) represented

View larger version (31K): [in a new window]   Fig. 2 Volumetric soil water contents in the Ap, Bt1, and Bt2 horizons of soils under bare fallow (open circle), bare fallow with alfalfa shoot mulch (open square), alfalfa with shoots removed and roots remaining (filled circle), and alfalfa with alfalfa shoot mulch (filled square), and daily rainfall measurements in 1996. Fisher's least significant differences (LSD0.05) represented

View larger version (25K): [in a new window]   Fig. 3 Minirhizotron observations on 20 Sept. 1996 of fine root distribution patterns in soil profiles in alfalfa plots with shoots removed and roots remaining (filled circle) and with alfalfa shoot mulch applied (filled square) on 20 Sept. 1996. Standard errors given for

View larger version (25K): [in a new window]   Fig. 4 (A) Minirhizotron root counts and (B) root turnover rates in the upper 9.5 cm of alfalfa plots. Data from alfalfa with shoots removed and roots remaining and alfalfa with alfalfa shoot mulch were combined because no significant difference between treatments was observed. Standard errors given for

View larger version (20K): [in a new window]   Fig. 5 Regression of log Ksat vs. (A) macroporosity and (B) gravimetric porosity for the upper Ap horizon of plots under bare fallow (open circle), bare fallow with alfalfa shoot mulch (open square), alfalfa with shoots removed and roots remaining (closed circle), and alfalfa with alfalfa shoot mulch (closed square). *** Significant at P 0.001