manure applicator Articles
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Nitrogen immobilization and mineralization kinetics of cattle, hog, and Turkey manure applied to soil
Nitrogen mineralization and immobilization following manure application are critical processes influencing plant N supply and offsite N losses. We conducted laboratory experiments to examine the influence of these two processes in addition to N oxide gas production on N availability for 180 d following manure addition. A Tara loam (fine-silty, mixed, superactive, frigid Aquic Hapludoll) and a ...
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Organic amendment history and crop rotation effects on soil Nitrogen mineralization potential and soil Nitrogen supply in a potato cropping system
Crop management practices influence readily and potentially available N in soil. In this study, we evaluated the effects of organic amendment history and crop rotation on potentially mineralizable N (N0), mineralizable N pools, and field estimates of soil N supply in potato (Solanum tuberosum L.) production, and evaluated a suite of N availability measures to detect changes in these parameters. ...
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Rainfall-induced release of microbes from manure: model development, parameter estimation, and uncertainty evaluation on small plots
A series of simulated rainfall-runoff experiments with applications of different manure types (cattle solid pats, poultry dry litter, swine slurry) was conducted across four seasons on a field containing 36 plots (0.75 × 2 m each), resulting in 144 rainfall-runoff events. Simulating time-varying release of Escherichia coli, enterococci, and fecal coliforms from manures applied at typical ...
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Efficient Manure Separation: Screw Press vs. Slope Screen Separator
In the realm of agricultural and livestock farming, the responsible management of manure is of paramount importance. Manure, a valuable resource rich in organic matter and nutrients, can be a double-edged sword for farmers. On one hand, it serves as a potent natural fertilizer; on the other, its mismanagement can lead to environmental issues. To address this challenge, farmers have turned to ...
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