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... Applying polyacrylamide (PAM) with furrow irrigation water dramatically reduces soil erosion and frequently increases infiltration. We conducted three studies to determine if PAM control[r] ... See full document

... Wet aggregate stability as a function of polyacrylamide applied with 8-mm water depth in Irrigation 1 and as a function of two subsequent 20-mm water-only irrigations.... increases in Te[r] ... See full document

... Polyacrylamide has been shown to increase water infiltration (Green et ...delayed runoff times compared to non-PAM ...initiate runoff sooner than untreated soil might have several ...of ... See full document

... reduce erosion and improve runoff water quality, there is little information on how to optimize the application for the greatest effect under these challenging ...effectively control sediment ... See full document

... Seely (eds.) Proc. Worksnop on Computer Ap p lications in Water Management. Colorado State University Water Resources Research institute Info. 1996 Polyacryiamide application to control [r] ... See full document

... Applying PAM with irrigation water significantly reduced runoff, erosion and phosphorus loss when applied to either straw-covered or bare soil.. However, adding straw to the soil surface[r] ... See full document

... an erosion control agent has raised environmental concerns, but PAM has had many industrial uses including mining, water treatment, sewage treatment, boiler-water additives, superabsorbent diapers, paints, ... See full document

... treatments or PAM treatment alone with the addition of PAM plus gypsum. (Shainberg et al., 1990; Shainberg and Levy, 1994; Levin et al., 1991, Shainberg et al., 1992, Smith et al., 1990). Shainberg and Levy, (1994) ... See full document

... particular sprinkler have on infiltration, runoff, and erosion of specific soil types are limited (Undersander et ...minimize runoff and erosion may ...relating sprinkler ... See full document

... Strips of cereal grain, grass or alfalfa seeded along the lower ends of fields can reduce sediment .losses by 40 to 60 percent, depending upon the sediment load in the runoff water, plac[r] ... See full document

... runoff and sediment loss were measured and soil samples were collected. While measured properties differed among soils and irrigations, surfactants had no effect on runoff, sediment loss, splash loss, or ... See full document

... In furrow irrigation, where downslope infiltration results in increasingly smaller downstream flows, (the opposite of rain induced rill erosion where streams increase as runoff accumulat[r] ... See full document

... Field responses to specific PAM treatments also varied among irrigations, especially at application rates less than 0.7 kg he. A number of factors potentially influence PAM efficacy in a[r] ... See full document

... pivot sprinkler sys- tems can cause runoff, erosion, and nutrient losses, particularly from sloping ...determined runoff, sediment losses, and nutrient loads (dissolved organic carbon [C], ... See full document

... Erosion control is a complex, labor-intensive process that requires the implementation of complex measures: economic, organizational, agro technical, phytomeliorative and ...the erosion process is ... See full document

... Furrow irrigation- induced erosion in the PNW commonly removes 2-20 tons per acre of soil per year, with much of the erosion (3-8x the field averaged rate) occurring near the upper end o[r] ... See full document

... Spray distribution obtained from a single stationary sprinkler head was used to determine the effects of reduced operating pressure on evaporation loss, application uniformity, sprinkler[r] ... See full document

... surface irrigation these things should be taken into consideration: ...Surface irrigation is the most old method and widely used because it’s simple, requires no ...from irrigation to ... See full document

... The decreasing concentration implies that, after a rapid initial increase in sediment transport, there is a net deposition (ie: deposition rate exceeds the erosion rate) and that sedimen[r] ... See full document

... drip irrigation systems, the most significant advantage is that water is supplied near the root zone of the plants drip by drip due to which a large quantity of water is ...using irrigation technique in ... See full document