Phosphorus-Based Applications of Livestock Manure and the Law of Unintended Consequences

Norwood, F. Bailey; Chvosta, Jan

doi:10.1017/s1074070800007112

Cited by 7 publications

(4 citation statements)

References 4 publications

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“…One problem with livestock manure in general that limits marketability is the higher water content and, thus, higher transportation costs for a given amount of nutrients [16]. Buyers of manure also have preferences by animal species; Norwood et al [21] found a preference for dairy versus swine manure. There is evidence of equine manure being marketed as a value-added soil amendment.…”

Section: Commercial Equine Operationsmentioning

confidence: 99%

Horse Manure Management by Commercial and Old-Order Amish Equine Operators: Economic and Conservation Implications

2020

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Horse operations may produce high amounts of manure per acre/ha and be less aware of recommended manure management practices than livestock farmers, leading to negative environmental impacts. This study compared the manure management practices of two populations of horse owners in the USA state of Missouri, commercial horse operations and an Old-Order Amish community, using data from a 2019 mail survey with a 50% response rate. In commercial operations, manure was more likely to be piled rather than spread directly on fields, which was the Amish practice. The Amish were more likely to use manure for crop production, to indicate that was why they had not explored markets for manure, and to test soil for nutrients. Regression results for factors affecting previous sales/transfers of manure or compost showed that selling was more likely for commercial operations, female operators, and those who had composted manure. Compared to respondents who agreed that manure management had an impact on water quality, those who did not know or were neutral about that statement were more likely to have sold manure. While both groups can improve manure management and are underserved by traditional agricultural information channels, educational efforts should be tailored to their different circumstances.

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Section: Commercial Equine Operationsmentioning

confidence: 99%

Horse Manure Management by Commercial and Old-Order Amish Equine Operators: Economic and Conservation Implications

2020

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“…The impact of manure regulations on required acreage has been well documented (Fleming 1998;Norwood and Chvosta 2005). What has not been as explicitly studied is the impact of more acres on time required.…”

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confidence: 99%

Manure application rules and environmental considerations

Massey

Gedikoglu

2021

Agricultural Water Management

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Three manure application limits (N Limit, Annual P Limit and P Banking) were modeled with particular attention to the number of hours needed to appropriately distribute manure. The benefit and costs estimates indicated that P Banking was more profitable than N Limit which was more profitable than Annual P Limit. The number of hours required indicated that the Annual P Limit would not be completed within a two month window approximately 2 of 10 years. The increased number of hours for the Annual P Limit also increased the probability of a runoff event following manure application, relative to the other two scenarios. This work indicates that regulations that require Annual P Limits of manure cost the farmer and may have the unintended consequence of increasing runoff.

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“…This is because such crops have a higher use of phosphorus (P), which under NMP's can allow farmers to use larger applications of manure and therefore not need to purchase as much extra supplements of nitrogen and potassium. In a similar fashion, in some areas, these producers may also increase the total number of crop acres in production, causing additional water pollution (Norwood and Chvosta, 2005).…”

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confidence: 99%

Consumer Interest in Environmentally Beneficial Chicken Feeds: Comparing High Available Phosphorus Corn and Other Varieties

Pesek

Bernard

Gupta

2011

J. Agric. Appl. Econ.

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One source of phosphorous pollution in areas of high chicken production is runoff from fields using fertilizer from these operations. A potential solution is to feed chicken high available phosphorus (HAP) corn, reducing phosphorus in manure. This study examined consumer purchase likelihood of chickens fed HAP, created traditionally or through genetic modification, and other genetically modified (GM) corn including Bt and Roundup-ready. Survey results from the Delmarva Peninsula found considerable interest in non-GM HAP corn, although GM HAP corn was not typically viewed as more acceptable than other GM varieties. Overall, the marketplace appears open to products geared toward environmental benefits.

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Phosphorus-Based Applications of Livestock Manure and the Law of Unintended Consequences

Cited by 7 publications

References 4 publications

Horse Manure Management by Commercial and Old-Order Amish Equine Operators: Economic and Conservation Implications

Horse Manure Management by Commercial and Old-Order Amish Equine Operators: Economic and Conservation Implications

Manure application rules and environmental considerations

Consumer Interest in Environmentally Beneficial Chicken Feeds: Comparing High Available Phosphorus Corn and Other Varieties

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