Download e-book for iPad: Animal Waste Utilization - Effective Use of Manure as a Soil by J. L. Hatfield, Bobby A. Stewart

By J. L. Hatfield, Bobby A. Stewart

ISBN-10: 1575040689

ISBN-13: 9781575040684

This special e-book examines the worthy facets of animal waste as a soil source - now not easily as an agricultural derivative with minimum useful use. themes contain o forms of cattle waste - swine, fowl, dairy o equipment and administration of waste usage o garage, dealing with, processing and alertness of animal waste o offering crop foodstuff o economics of waste usage o new modeling and administration innovations o nonpoint resource pollutants, water caliber, leaching, and air caliber.

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Extra info for Animal Waste Utilization - Effective Use of Manure as a Soil Resource

Sample text

33 III. Financial Evaluation at the Firm Level . . . . . . . . . . . . 35 IV. Society’s Concern: Is Nonpoint Source Pollution Excessive? . . . 40 V. What Can Be Done About Nonpoint Source Pollution? . . . . . 43 VI. Other Factors and Government Policies Affecting Nonpoint Source Pollution . . . . . . . . . . . . . . . . . . . . . . . 45 VII. Research Issues . . . . . . . . . . . . . . . . . . . . 45 References . . .

Financial Evaluation at the Firm Level Benefits and costs of alternative waste disposal systems are a primary determinant in selecting a waste management system. For producers, benefits from livestock waste may be derived by resource recovery processes. That is, livestock waste is a potential source of nutrients for plants, a source of energy, or a source of nutrients for livestock feed. Using waste for a nutrient source for plant growth is currently the primary benefit for producers. However, substantial price increases for livestock feed ingredients or fossil fuels would make livestock waste a more attractive source of feed ingredients and energy (Huang, 1979).

It makes little economic sense to expend these levels of human capital when the potential returns are marginal at best. Only by making manure crediting simple through reducing or eliminating the constraints listed in the latter portion of the paper would this become a cost-effective activity. It is not a question of teaching farmers how to take advantage of on-farm nutrient sources. Rather the issue is one of making the application of this knowledge convenient and uncomplicated. Consequently, there were mixed results for this second popular belief about the economic value of proper manure management.

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Animal Waste Utilization - Effective Use of Manure as a Soil Resource by J. L. Hatfield, Bobby A. Stewart

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