[PDF] Top 20 Reducing furrow irrigation erosion with polyacrylamide (PAM)
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Reducing furrow irrigation erosion with polyacrylamide (PAM)
... It has been shown to effectively halt furrow irrigation erosion on a variety of western soils (Sojka and Lentz, 1996c), about half a ton of soil per ounce of PAM used in Idaho tests.. It[r] ... See full document
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Mitigation techniques reduce sediment in runoff from furrow-irrigated cropland
... of polyacrylamide (PAM, a synthetic material that flocculates sediments when added to water), vegetated ditches and sediment traps to miti- gate sediment losses from furrow- irrigated ...liquid ... See full document
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Applying Polyacrylamide (PAM) to Reduce Erosion and Increase Infiltration Under Furrow Irrigation
... Not Enough PAM Was Applied - Rate of PAM addition mist be based on total irrigation inflow rate, erosion potential for a field, and desired injection concentration.. Losses of PAM Durin[r] ... See full document
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Polyacrylamide application to control furrow irrigation-induced erosion
... 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
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Reducing soil and nutrient losses from furrow irrigated fields with polymer applications
... The most effective treatment for reducing sediment and nutrient losses was PAM-I10, where 10 mg 1: 1 PAM was metered into furrow irrigation inflows during the furrow advance (during wat[r] ... See full document
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Water and erosion management with multiple applications of polyacrylamide in furrow irrigation
... L Seasonal sediment losses per treatment per irrigation in furrow outflows in 1993 and 1994, as affected by PAM addition (P) or untreated water (C), normal (N) or high (H) flow rate, and[r] ... See full document
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Biopolymer additives to reduce erosion-induced soil losses during irrigation
... Laboratory-scale furrow results compared with field test results highlighting the effect of molecular weight on the effectiveness of polyacrylamide, PAM, in controlling erosion-induced s[r] ... See full document
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Preventing soil erosion with polymer additives
... Figure 2 Lab-scale furrow results compared with field test results highlighting the effect of molecular weight on the effectiveness of polyacrylamide, PAM, in controlling erosion-induced[r] ... See full document
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The use of PAM -- a linear polyacrylamide for use in irrigation water
... Water soluble anionic high-purity PAM is a safe environmentally friendly soil conditioner, that when delivered via irrigation, reduces erosion, prevents sediment and chemical and biologi[r] ... See full document
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Sprinkler irrigation runoff and erosion control with polyacrylamide
... 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
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Field results using polyacrylamide to manage furrow erosion and infiltration
... Recent field studies have demonstrated that small concentra- tions of polymers dissolved in irrigation water appreciably reduce soil loss from irrigated furrows and increase net infil- t[r] ... See full document
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PAM conformation effects on furrow erosion mitigation efficacy
... Soil Loss and net infiltration of PAMIE, 030,, charge density treatments on newly formed furrows in the first treated irrigation.. 43,„.[r] ... See full document
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Reducing erosion from surface irrigation by furrow spacing and plant position
... A study in 1986 and 1987 observed the effect of narrow rows or twin rows with plants in close proximity to the furrow on infiltration, sediment loss, and yields in three crops grown unde[r] ... See full document
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Net Infiltration and Soil Erosion Effects of a Few PPM Polyacrylamide in Furrow Irrigation Water
... 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
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Polyacrylamide in furrow irrigation, an erosion control breakthrough
... 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
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The Current State of Predicting Furrow Irrigation Erosion
... The authors are solely responsible for the content of this technical presentation. The technical presentation does not necessarily reflect the official position of the American Society of Agricultural and Biological ... See full document
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Furrow Irrigation Erosion Effects on Crop Production
... Multiplying that value by the 70% of the fields with whitish areas gives a value of 21% of the area as eroded sufficiently that topsoil has been reduced from the original average of 0.3[r] ... See full document
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The Effect of Furrow Irrigation Erosion on Crop Productivity
... Test weights and head length for wheat and barley were significantly reduced on whitish soils on some fields and by shallow topsoil on the experimental plot area, but differences were ve[r] ... See full document
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WEPP model erosion evaluation under furrow irrigation
... With critical shear of 2.4 Pa and rill erodibility of 0.0042 s m-1 , predicted soil loss was greater than zero for only two medium inflow rate irrigations and four high inflow rate irrig[r] ... See full document
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Seasonal trends in furrow irrigation erosion in southern Idaho
... A crop effect was indicated by the data from previous cropped studies that showed a continuous sediment loss decrease after the mid-season maximum was measured, whereas the data from the[r] ... See full document
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