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

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By J. L. Hatfield, Bobby A. Stewart

ISBN-10: 1439822638

ISBN-13: 9781439822630

ISBN-10: 1575040689

ISBN-13: 9781575040684

This detailed publication examines the priceless points of animal waste as a soil source - now not easily as an agricultural derivative with minimum sensible use. themes contain o different types of cattle waste - swine, chicken, dairy o equipment and administration of waste usage o garage, dealing with, processing and alertness of animal waste o offering crop nutrition o economics of waste usage o new modeling and administration innovations o nonpoint resource toxins, water caliber, leaching, and air caliber

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Additional info for Animal Waste Utilization: Effective Use of Manure as a Soil Resource

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1990). Four generalizations can be inferred from their analysis of dairy operations. First, net system costs vary substantially by size of operation. For the typical free stall, open lot system with 50 cows, net system costs average $133 per animal year, using 1990 prices. As size increases to 200 cows, net system costs per animal year decline to $57. Second, net system costs are higher for confined dairy systems than for open lot systems. For the 100 cow herd, net system costs are about $35 per animal year higher for confinement systems.

The Soil Conservation Service also assists farmers in developing soil and water-conserving farm plans. Other federal government farm programs aimed at enhancing farm incomes and reducing farm production may require these soil and water conservation plans before making payments to participating farmers. Sometimes farm program requirements can conflict with water quality goals. For example, some counties do not allow farmers participating in federal farm programs for selected crops to spread animal waste on cropland-idled Federal Acreage Reduction programs.

Consequently, there were mixed results for this second popular belief about the economic value of proper manure management. Assessing the value of storage structures in manure management, the third popular belief, also had mixed results. Those who used a structure in their manure management system were more likely to credit, and moved in the direction of recommended nutrient rates more so than those relying on a daily haul system. There were statistically significant differences in the overall, average crop nutrient rates between structure and nonstructure operations.

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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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