Download or read book Economic and Environmental Considerations in Dairy Manure Management Systems written by Cornell University Agricultural Experiment Station, Ithaca, N.Y. Dept. of Agricultural Economics and published by . This book was released on 1972 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Economic and Environmental Considerations in Evaluating Manure Management Systems written by Len Fullen and published by Alberta Agriculture, Production and Resource Economics Branch. This book was released on 1984 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Animal Manure written by Heidi M. Waldrip and published by John Wiley & Sons. This book was released on 2020-05-05 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: The majority of meat, milk, and eggs consumed in the United States are produced in concentrated animal feeding operations (CAFO). With concentrated animal operations, in turn comes concentrated manure accumulation, which can pose a threat of contamination of air, soil, and water if improperly managed. Animal Manure: Production, Characteristics, Environmental Concerns, and Management navigates these important environmental concerns while detailing opportunities for environmentally and economically beneficial utilization.
Download or read book Livestock and the Environment written by Ralph H. Ramsey and published by . This book was released on 1975 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Protection Technology Series written by and published by . This book was released on 1975-04 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Design Economic and Environmental Analysis of Dairy Waste Management Systems written by Wellam Kamthunzi and published by . This book was released on 2004 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agriculture Trade and the Environment written by Darryl Jones and published by OECD Publishing. This book was released on 2004 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication, part of a series of OECD studies which investigate trade policies, agricultural production and their impact on the environment, focuses on the dairy sector in OECD countries. Chapters discuss a range of issues including: the environmental impacts of dairy farming in terms of water pollution, greenhouse gases, soil quality, water use and biodiversity; the structure and practices of dairy production; agricultural support policies; the consequences of further trade liberalisation and the likely expansion of milk production; economic instruments, command and institutional policy measures; and competitiveness issues, including the effect of manure management regulations. The report contains agri-environmental indicators for the dairy sector, and also considers policies that OECD governments, particularly in Europe, have introduced to promote organic milk production and their impact on trade flows.
Download or read book Dairy Manure Management written by Natural Resource, Agriculture, and Engineering Service and published by . This book was released on 2005 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This conference proceedings includes over 30 papers by university, government, and industry specialists addressing the topic of dairy manure management. The proceedings will help producers and their advisors plan new or upgraded manure systems to meet regulatory and community expectations.
Download or read book Research Reporting Series written by and published by . This book was released on 1975 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Livestock and the Environment written by M. L. Rowe and published by . This book was released on 1976 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physicochemical Transformations of Manure to Reduce Greenhouse Gas Emissions Improve Nutrient Use and Minimize Environmental Impacts of Dairy Operations written by Rylie Jo Ellison and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Storage and agricultural applications of manure often result in significant loss of carbon, nitrogen, and phosphorus to the environment through volatilization and leaching. In California, manure management is estimated to be the largest source of greenhouse gas emissions from agriculture, mainly as methane (CH4) and nitrous oxide (N2O), with dairy operations being a key contributor. One of the main challenges with using animal wastes as nutrient sources is the unpredictable nitrogen mineralization rate for crop uptake. Many dairies limit application of manure organic nitrogen to prevent groundwater contamination. With a large range of dairy sizes and types of manure management systems in California, there is also a need for a variety of manure treatment technologies to address these problems. Treatments examined in this dissertation are two physicochemical techniques: chemical solid-liquid separation (coagulation) and hydrodynamic cavitation with chemical stabilization. Physically and chemically transforming animal wastes to exhibit a predictable nitrogen mineralization response is an important research and development priority. Generating a stabilized and easily transportable fertilizer from manure can help reduce environmental concerns related to on-farm nutrient management and enhance the economic feasibility for dairies. Enhancing solid-liquid separation with chemical coagulants traditionally used in wastewater treatment can isolate dissolved and particulate organic matter and phosphorus from manure into stabilized solids (flocs) while leaving the plant-available ammonium-N in the liquid fraction (effluent). In this research, a range of coagulants, including metal salts and organic polymers were tested with multiple dairy process wastewaters. The effects of chemical coagulation on the composition of the separated manure fractions, and the resulting impact on greenhouse gases and nutrient cycling are extensively explored through a series of laboratory incubations of manure effluents and manure-amended soils. Anaerobic incubations of the effluent fractions were performed to determine how both removing coagulated solids from manure process wastewater or leaving coagulated manure flocs in anaerobic storage affects greenhouse gases, CH4 in particular. This simulates how greenhouse gases from anaerobic storage ponds, or lagoons, on dairies would be affected by this treatment practice. In each incubation, regardless of coagulant type or separation of solids, CH4, and/or CO2 and N2O were significantly reduced. Several aerobic soil incubations simulated how adding coagulated manure flocs or effluents would impact the nutrient cycling of chemically separated manures applied to agricultural soils. Coagulation generally tended to stabilize organic matter, and slow C, N, and P mineralization of the solid floc fraction, depending on the type of coagulant used. This could potentially increase C sequestration and reduce nutrient runoff on dairies; however, farmers would need to manage for less nutrient availability. Lastly, the potential for hydrodynamic cavitation to be employed in a dairy manure treatment system was explored. The effects of hydrodynamic cavitation on manure were to break down organic matter and increase nitrogen availability, which could help in regulating the rate of nitrogen mineralization from manure. Hydrodynamic cavitation is also used for sterilization, which could be another benefit for manure applications. However, further work is needed to determine the efficacy of hydrodynamic cavitation for treating manure at a larger scale.
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1976 with total page 1212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Quick Bibliography Series written by and published by . This book was released on 1976 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Economic and Physical Considerations in Liquid Handling of Dairy Cattle Manure written by George L. Casler and published by . This book was released on 1972 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Economic Impacts of Applying Selected Pollution Control Measures on Michigan Dairy Farms written by and published by . This book was released on 1973 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A E Res written by and published by . This book was released on 1972 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Alternate Methods of Manure Handling written by Fred Magdoff and published by . This book was released on 1978 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
