Buffer strip cattle
High grazing pressure can lead to soil erosion in pastures, causing increased sediment delivery to waterways. The objectives of this research were to evaluate the impact of grazing management and buffer strips on soil erosion by assessing soil physical properties, hydrology, and sediment loads from pastures fertilized with broiler litter. Field studies were conducted for 12 yr on 15 small watersheds. Five management strategies were evaluated: hayed H , continuously grazed CG , rotationally grazed R , rotationally grazed with a buffer strip RB , and rotationally grazed with a fenced riparian buffer RBR. Broiler litter was applied every year at a rate of 5. Bulk density and penetration resistance were highest for CG watersheds.
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Many nutrient mitigation best management practices BMP are promoted by state and federal agencies to protect water quality from animal agriculture. The measured effectiveness of these is highly variable in the research literature. Here, we establish pre- and post-BMP monitoring to evaluate the effectiveness of fencing out cattle from the riparian zone on water quality, specifically, phosphorus P loads and concentrations. We collected water samples year-round both before and after a cattle exclusion was established at a small mixed dairy and beef cattle pasture where cattle have historically grazed with unrestricted access to first and second order streams, and analyzed for soluble reactive and total P. Immediately after fence construction, we observed a significant reduction in total P in the stream but not in soluble reactive P.
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Vegetated buffer strips have been recognized as an important element in overall agro-ecosystem management to reduce the delivery of non-point source pollutants from agricultural land to inland water systems. A buffer strip experiment consisting of two tree species Eucalyptus camaldulensis and Casuarina cunninghamiana with two planting densities and a pasture treatment was conducted to determine the effectiveness of NO 3 -N removal from a cattle feedlot effluent disposal area at Tullimba near Armidale, NSW Australia. Different management methods were applied for the buffers where grass and weeds were mowed times during the second and third years and were not managed during the rest experimental years for the tree buffer, while grass was harvested times per year for the pasture buffer.
A buffer strip is an area of land maintained in permanent vegetation that helps to control air , soil , and water quality , along with other environmental problems, dealing primarily on land that is used in agriculture. Buffer strips trap sediment , and enhance filtration of nutrients and pesticides by slowing down runoff that could enter the local surface waters. The root systems of the planted vegetation in these buffers hold soil particles together which alleviate the soil of wind erosion and stabilize stream banks providing protection against substantial erosion and landslides. Farmers can also use buffer strips to square up existing crop fields to provide safety for equipment while also farming more efficiently.