Effects of rotational infrastructure within pasture-raised pig operations on ground cover, soil nutrient distribution, and bulk density

References

1. 1. American Society of Agricultural Engineers (ASAE)

   . 2005. Manure production and characteristics. American Society of Agriculture Engineers D384.2
2. 1. Batey T.

   2009. Soil compaction and soil management - a review. Soil Use and Management 25:335-345.

   OpenUrlCrossRefWeb of Science
3. 1. Beck P.A.,
   2. Stewart C.B.,
   3. Capps P.K.,
   4. Phillips J.M.,
   5. Hutchison S.,
   6. Gunter S.A.,
   7. Losi T.C.

   . 2007. Chemical composition and in situ dry matter and fiber disappearance of sorghum x sudangrass hybrids. Journal of Animal Science 85:545-555.

   OpenUrlCrossRefPubMed
4. 1. Blombäck K.,
   2. Eckersten H.,
   3. Lewan E.,
   4. Aronsson H.

   . 2003. Simulations of soil carbon and nitrogen dynamics during seven years in a catch crop experiment. Agricultural Systems 76:95-114.

   OpenUrlCrossRef
5. 1. Burkitt L.L.,
   2. Donaghy D.J.,
   3. Carlson S.M.,
   4. Dougherty W.J.

   . 2010. Effect of variable soil phosphorus on phosphorus concentrations in simulated surface runoff under intensive dairy pastures. Australian Journal of Soil Research 48:231-237.

   OpenUrlCrossRef
6. 1. Butler D.M.,
   2. Poore M.H.,
   3. Green J.T.J.,
   4. Ranells N.N.,
   5. Franklin D.H.

   . 2007. Ground cover impacts on nitrogen export from manured riparian pasture. Journal of Environmental Quality 36:155-162.

   OpenUrlCrossRefPubMed
7. 1. Butler D.M.,
   2. Poore M.H.,
   3. Green J.T.J.,
   4. Franklin D.H.,
   5. Ranells N.N.

   . 2006. Ground cover impacts on sediment and phosphorus export from manured riparian pasture. Journal of Environmental Quality 35:2178-2185.

   OpenUrlCrossRefPubMedWeb of Science
8. 1. Carpenter S.R.,
   2. Caraco N.F.,
   3. Correll D.L.,
   4. Howarth R.W.,
   5. Sharpley A.N.,
   6. Smith V.H.

   . 1998. Nonpoint pollution of surface waters with phosphorus and nitrogen. Ecological Applications 8:559-568.

   OpenUrlCrossRefGeoRefWeb of Science
9. 1. Drewry J.J.,
   2. Buchan G.D.,
   3. Cameron K.C.

   . 2008. Pasture yield and soil physical property responses to soil compaction from treading and grazing - a review. Australian Journal of Soil Research 46:237-256.

   OpenUrlCrossRef
10. 1. Eriksen J.

    2001. Implications of grazing by sows for nitrate leaching from grassland and the succeeding cereal crop. Grass and Forage Science 56:317.

    OpenUrlCrossRef
11. 1. Eriksen J.,
    2. Petersen S.O.,
    3. Sommer S.G.

    . 2002. The fate of nitrogen in outdoor pig production. Agronomie 22:863-867.

    OpenUrlCrossRefWeb of Science
12. 1. Greenwood K.L.,
    2. McKenzie B.M.

    . 2001. Grazing effects on soil physical properties and the consequences for pastures: A review. Australian Journal of Experimental Agriculture 41:1231-1250.

    OpenUrlCrossRef
13. 1. Hansen N.C.,
    2. Lemunyon J.L.,
    3. Sharpley A.N.,
    4. Daniel T.C.

    . 2002. The fate and transport of phosphorus in agricultural systems. Journal of Soil and Water Conservation 57:408-417.

    OpenUrlAbstract/FREE Full Text
14. 1. Hillel D.

    2004. Introduction to Environmental Soil Physics. Academic Press; 1st Edition.
15. 1. Honeyman M.S.,
    2. Lammers P.J.,
    3. Hermann J.R.,
    4. Pirog R.S.,
    5. Huber G.H.

    . 2006. The United States pork niche market phenomenon. Journal of Animal Science 84:2269-2275.

    OpenUrlCrossRefPubMedWeb of Science
16. 1. Huynh T.T.T.,
    2. Spoolder H.A.M.,
    3. Kemp B.,
    4. Verstegen M.W.A.,
    5. Canh T.T.,
    6. Aarnink A.J.A.,
    7. Gerrits W.J.J.,
    8. Heetkamp M.J.H.

    . 2005. Thermal behaviour of growing pigs in response to high temperature and humidity. Applied Animal Behavior Science 91:1-16.

    OpenUrlCrossRef
17. 1. Johnson A.M.,
    2. Hodges S.C.,
    3. Osmond D.L.

    . 2005. Predicted impact and evaluation of North Carolina's phosphorus indexing tool. Journal of Environmental Quality 34:1801-1810.

    OpenUrlCrossRefPubMedWeb of Science
18. 1. Kamprath E.J.

    1999. Changes in phosphate availability of ultisols with long-term cropping. Communications in Soil Science and Plant Analysis 30:909-919.

    OpenUrlCrossRefWeb of Science
19. 1. Kennedy D.W.

    1998. What is pasture based swine management. Arkansas State University, Arkansas Land & Farm Development Corporation http://www.clt.astate.edu/dkennedy/pbsm.htm
20. 1. Lilley J.M.,
    2. Moore A.D.

    . 2009. Trade-offs between productivity and ground cover in mixed farming systems in the Murrumbidgee catchment of New South Wales. Animal Production Science 49:837-851.

    OpenUrlCrossRef
21. 1. McDowell R.W.,
    2. Sharpley A.N.

    . 2001. Approximating phosphorus release from soils to surface runoff and subsurface drainage. Journal of Environmental Quality 30:508-520.

    OpenUrlCrossRefGeoRefPubMedWeb of Science
22. 1. Mulholland B.,
    2. Fullen M.A.

    . 1991. Cattle trampling and soil compaction on loamy sands. Soil Use and Management 7:189-192.

    OpenUrlCrossRef
23. 1. North Carolina State Climate Office

    . 2010. CRONOS [internet database]. http://www.nc-climate.ncsu.edu.
24. 1. Natural Resource Conservation Service (NRCS)

    . 2010. Revised Universal Soil Loss Equation, Version 2. http://www.ars.usda.gov/Research/docs.htm?docid=5971
25. 1. Olarewaju O.E.,
    2. Adekunle I.M.,
    3. Adeofun C.O.,
    4. Adetunji M.T.

    . 2009. Nitrate and phosphorus loss from agricultural land: Implications for nonpoint pollution. Nutrient Cycling in Agroecosystems 85:79-85.

    OpenUrlCrossRef
26. 1. Olsen A.W.,
    2. Simonsen H.B.,
    3. Dybkjaer L.

    . 2001. Behaviour of growing pigs kept in pens with outdoor runs. II. Temperature regulatory behaviour, comfort dunging preferences. Livestock Production Science 69(3):265–278.

    OpenUrlCrossRef
27. 1. Owensby C.E.

    1973. Modified step-point system for botanical composition and basal cover estimates. Journal of Range Management. 26:302-303.

    OpenUrlCrossRefWeb of Science
28. 1. Pote D.H.,
    2. Moore P.A.J.,
    3. Miller D.M.,
    4. Edwards D.R.,
    5. Daniel T.C.,
    6. Nichols D.J.,
    7. Sharpley A.N.

    . 1999. Relationship between phosphorus levels in three ultisols and phosphorus concentrations in runoff. Journal of Environmental Quality 28:170-175.

    OpenUrlGeoRefWeb of Science
29. 1. Powlson D.S.,
    2. L'hirondel F.,
    3. Grinsven H.,
    4. van Kessel C.,
    5. Avery A.A.,
    6. Benjamin N.,
    7. Addiscott T.M.,
    8. Kok T.M.,
    9. Cassman K.G.

    . 2008. When does nitrate become a risk for humans? Journal of Environmental Quality 37:291-295.

    OpenUrlCrossRefPubMedWeb of Science
30. 1. Quintern M.,
    2. Sundrum A.

    . 2006. Ecological risks of outdoor pig fattening in organic farming and strategies for their reduction--results of a field experiment in the centre of Germany. Agriculture, Ecosystems and Environment 117:238-250.

    OpenUrlCrossRef
31. 1. Romkens M.J.M.,
    2. Nelson D.W.

    . 1974. Phosphorus relationships in runoff from fertilized soils. Journal of Environmental Quality 3(1):10-13.

    OpenUrl
32. 1. Salomon E.,
    2. Akerhielm H.,
    3. Lindahl C.,
    4. Lindgren K.

    . 2007. Outdoor pig fattening at two swedish organic farms--spatial and temporal load of nutrients and potential environmental impact. Agriculture, Ecosystems and Environment 121:407-418.

    OpenUrlCrossRef
33. 1. SAS Institute Inc.

    2002. SAS 9.1.3 Help and Documentation. Cary, NC: SAS Institute Inc.
34. 1. Sigua G.C.,
    2. Coleman S.W.

    . 2009. Long-term effect of cow congregation zone on soil penetrometer resistance: Implications for soils and forage quality. Agronomy for Sustainable Development 29:517-523.

    OpenUrlCrossRef
35. 1. Smith V.H.,
    2. Joye S.B.,
    3. Howarth R.W.

    . 2006. Eutrophication of freshwater and marine ecosystems. Limnology and Oceanography 51:351-355.

    OpenUrlCrossRefWeb of Science
36. 1. Stolba A.,
    2. Gush D.G.M.

    . 1989. The behaviour of pigs in a semi-natural environment. Animal Production 48(2):419-425.

    OpenUrlCrossRef
37. 1. Watson C.A.,
    2. Anssems E.,
    3. Scholzel Y.,
    4. Edwards S.A.

    . 1998. Assessing the nitrogen pollution risk from outdoor pig systems. In Assessing the nitrogen pollution risk from outdoor pig systems, p. 230-235, Edinburgh, Scotland.
38. 1. Willatt S.T.,
    2. Pullar D.M.

    . 1984. Changes in soil physical properties under grazed pastures. Australian Journal of Soil Research 22:343-348. Williams, J.R., B.J. Chambers, A.R. Hartley, S. Ellis, and H.J. Guise. 2000. Nitrogen losses from outdoor pig farming systems. Soil Use and Management 16:237.

    OpenUrlCrossRef