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Prairie Swine Centre is an affiliate of the University of Saskatchewan
Prairie Swine Centre is grateful for the assistance of the George Morris Centre in developing the economics portion of Pork Insight.
Financial support for the Enterprise Model Project and Pork Insight has been provided by:
Odour emission rates from manure treatment/storage systems
Posted in: Environment by admin on January 1, 2001 | No Comments
Effect of suspended soil material and pig slurry on the facilitated transport of pesticides, phosphate and bromide in sandy soil
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The colloid-facilitated transport of pesticides and other pollutants to groundwaters is a source of
concern to authorities in the European Union and other countries. It has been suggested that
colloids are good sorbents for pesticides and other pollutants, and it is now suspected that the
spreading of animal manures increases the potential for colloid-facilitated transport. In experiments
in lysimeters of sandy soil to which phosphate, triallate, chlordane and bromide were applied to the
surface, the A
The Role of Hog Manure Application in Maintaining Air, Water and Soil Quality
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Traditionally the vast majority of manure production in Manitoba has been associated with rangeland cattle production. The increase in pork production and intensive cattle production in Mnaiotba has resulted in the production of more manure and a greater percentage of that manure in intensive livestock systems, where the manure is collected and spread one or two times throughout the year. The decreased reliance on grazing systems has resulted in greater concentration of livestock systems in some areas of the province and has brought these systems closer to the gernal public. The expansion of the industry and increased awarness of the industry by thepublic has increased the scrunity placed on this industry. Here we examine some of the poetnial impacts on soil, air, and water quality and the opportunities to manage these impatcs.
Agricultural in the Local Community: The Municiple Role
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Introduction
In some ways agriculture and the rural community have evolved in different directions. Production agriculture has increasingly industrialized – it has gotten larger, more specialized, more intensive and some would argue it now represents a significant risk to the environment and the quality of life of rural residents. In contrast, the rural community has become less farm oriented, less tolerant towards agriculture, more urban and relative to agriculture, it has become more politically influential – locally, provincially and nationally. In the midst of these processes, municipalities are expected to make decisions that balance these competing interests.
This paper reviews a number of community and agricultural trends that municipalities must consider. As municipalities attempt to cope with an ever changing agricultural industry and a significantly different rural community, it is pressured to develop appropriate planning tools. This paper builds on earlier work by Caldwell (2001) and presents a number of Best Management Practices (BMPs) that municipalities should consider in planning for agriculture. Are agriculture and the rural community heading in the same direction? Until the middle of the 20th century, agriculture and the rural community were largely inseparable. Farming was a lifestyle that largely defined the rural community. Small familybased units of production, close ties with neighbours, traditional technologies, and minimal change from generation to generation defined North America’s agricultural industry. With increasing mechanization following the Second World War, and with numerous social, demographic and technical changes throughout society, the rural community and agriculture began to head in separate directions. Today, while there remains a strong linkage between agriculture and the rural community, there are many trends that contribute to a divergent rural ommunity (Caldwell, 1998).
Functional Classification of Swine Manure Management Systems based on Effluent and Gas Emission Characteristics
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Gaseous emissions from swine manure storage systmes represent a concern to air quality due to potential effects of hyrodgen sulphid, ammonia, methane, and volatile organic ompounds on environmental quality and human health. The lack of kowledge concerning functional aspects of swine management systems has been a major obstacle in the development and optimization of emissions abatement technologies for these point source. In this system a classification system based on gas emission characteristics anf effluent concentrations of total phosphorus (P) and total sulfur (S) was dreived and tested on 29 swine manure management systems in Iowa, Oklahoma, and North Carolina in an effort to elucidate functional characteristics of these systems. Four manure management systems classes identified that differed in effluent concentrations of P and S, methane, odor intensity, and air concentrations of volatile organic compounds. Odor intensity and concentrations of VOC’s in air emitted from swine manure management systems strongly corresponded. Odor intensity and VOC’s in air emiited from sien manure systems were stringly correlated. The concentration of VOC in air samples was highest with odour swine manure management systems that recived a high input of volatile solids. These systems were also shown to have the highest odour intensity levels. The emission rate for VOC’s and odour intensity associated with swine management systems were inversely correlated with methane and ammonia emission rates. The emission rates od methane, ammonia, and VOC’s were found t be dependant upon manure loading rate and were directly influenced by animal numbers.
Study on the Effectiveness Two Field-Portable Near-Infrared Instruments for the Measurement of Metals and Minor Elements in Hog Manure
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The overall purpose of this project was to develop a field protocol for testing two field-portable near-infrared (NIR) spectrophotometers as on-site, free-standing (not in-line), measurement tools for nutrients in hog manure at the time of application of manure to agricultural land. This project is a developmental step between the analysis of hog manure in the laboratory using near-infrared spectroscopy (NIRS) and the deployment of NIR instruments in the manure stream for real-time measurement of composition of manure during application to land. The field-portable instruments included the Textron Systems Corp (USA)/Case NH (USA) ProSpectraa
Mechanism of Gas Release from Liquid Swine Wastes
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