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Creator:: Sanchez, Ramon M.
Abstract:: Rates of germination and emergence of corn were measured as influenced by soil physical parameters using blotter paper and a sandy loam soil as growth media. The corn seeds used were a hybrid of Funk's (DJ7xLH93). Experimental conditions were soil temperature of 20°C, 25°C, 30°C, and 35°C, soil water potential...
Resource Type:: Masters Thesis
Full Text:: function of soil physical parameters AN ABSTRACT OF THE THESIS OF Ramon M. Sanchez for the degree of

Creator:: Chen, Chengci
Resource Type:: Masters Thesis
Full Text:: by Equation 7 during the same relative water content decrease. Gupta and Berkowitz (1987) compared

Creator:: McNabb, David H.
Abstract:: Forest soils with low bulk densities are often considered less susceptible to compaction than soils with higher bulk densities. The objective of this study was to determine if soil strength controlled the compression of soils with low bulk density. Four soils were selected for this evaluation. Three of these were...
Resource Type:: Dissertation
Full Text:: , 1975; McNabb et al., 1986). Bulk densities less than 1.0 Mg/m3 to a depth of 1 m have been reported

Creator:: Pikul, Joseph Lawrence
Abstract:: Freeze/thaw cycles are numerous in agricultural soils of the Pacific Northwest. Potential loss of soil by erosion is high whenever a soil thaws from the surface creating a saturated soil overlying an impermeable frozen layer. Field studies were conducted to investigate the effect of surface residue on soil freezing. Residue...
Resource Type:: Dissertation
Full Text:: standing stubble with straw mulch between the rows. 1.13 Horizontal wind speed at 0.6 m over the bare

Creator:: Biuk, Abdulmajid Ahmed
Resource Type:: Dissertation
Full Text:: , potato, and wheatgrass, respectively. Boyer (1967) concluded that T m arises primarily in the walls of

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