USDA-SCSUnited States Department of Agriculture, Soil Conservation Service
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To soften the rock's effect and provide further stability, 7 to 10 cm (3 to 4 in) in diameter, 1.5 to 2 m (5 to 6.5 ft) long cut poles of dormant native trees and shrubs were to be installed in spaces between the rock, with pilot holes pierced via the "Stinger method'--a steel rod mounted on a backhoe bucket (USDA-SCS, 1994).
This growth has caused increased peak discharges and consequent enlargement of stream channels (USDA-SCS, 1989).
The USDA-SCS Blaney-Criddle approach was used based on monthly percentage of annual daylight, mean air temperature, and a humid area factor for Puerto Rico.
The time for runoff water to travel from one point to another in a watershed is determined by the flow distance and velocity along the flow path (USDA-SCS, 1975; Bao et al., 1997).
LESA is a two-part system designed to take into account both soil and other non-soil factors affecting a site's importance to agriculture (USDA-SCS, 1983; USDA-NRCS, 2002).
Based on percent similarity to plant composition (historic plant climax community) given in correlated ecological site description (See USDA-SCS 1976, NRCS 1997 National Pasture and Rangeland Handbook for details).
These materials are typical parent material for Kennebec and Napier soils, which are nearly level to moderately sloping, moderately well-drained and well-drained silty soils, formed in upland drainage-ways, footslopes, and bottom land throughout the MLRA (USDA-SCS 1989).
It has been reported that the valley has a variety of soils; most of them are of a coarse sandy texture over a coarse-textured substratum (USDA-SCS 1973, USDA-SCS 1988).
Although the San Luis Valley (SLV) of south central Colorado has a variety of soils, most of them are of a coarse sandy texture over a coarse textured substratum (USDA-SCS 1973).
The three-year average residue production of 4,370 kg/ha (3,900 lb/a) is equivalent to about 1,570 kg/ha (1,400 lb/a) of flat small grain residue (USDA-SCS 1988).