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Measuring Soil Processes in Agricultural Research

Authors: 
K. Laryea,
P. Pathak,
JC. Katyal
Organizational Authors: 
International Crops Research Institute for the Semi-Arid Tropics
Year Published: 
1997

This manual presents practical methods for assessing management effects on such soil processes as water infiltration and erosion by water, and on water, air, and nutrient use by crops. It covers the basic elements of soil physical characterization, and deals principally with the role of soil structure on water infiltration and percolation, heat flow, aeration, and the mobility of roots and soil microorganisms. The authors discuss the agronomic and engineering practices that affect soil processes; and the effects of such strategies as contour cultivation, organic and inorganic amendments, watershed management, and soil surface manipulations are emphasized.

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