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PR - Winter Grain Response To Phosphorus Variation On Different Soil Types Under Precision Agriculture (pa) (p347-358)

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  • Hough, E.C.
  • Nell, W.T.
  • Maine, N.
  • Groenewald, J.A.

Abstract

Phosphorus (P) is an important nutrient required by every living plant and animal cell, and deficiencies in soils could cause limited crop production, thereby reducing profitability. P is also a primary nutrient essential for root development and crop production, and is needed in the tissues of a plant where cells rapidly divide and enlarge. Precision agriculture (PA) could assist the farmer in applying the ideal amount of P to a specific part of a field where it is required most. Variable rate technology (VRT) is a tool that can help with the development of strategies for fertiliser phosphate management. On-field trials were conducted on a commercial farm in the Western Cape Province; As many as five soil types occur on each field studied, and three crops – wheat, canola and barley - are grown in rotation. One half of each field was planted using VRT (PA), while constant application (SR) was used on the other half. The objective was to determine the variation of winter grain yield response to P on different soil types.

Suggested Citation

  • Hough, E.C. & Nell, W.T. & Maine, N. & Groenewald, J.A., 2011. "PR - Winter Grain Response To Phosphorus Variation On Different Soil Types Under Precision Agriculture (pa) (p347-358)," 18th Congress, Methven, New Zealand, 2011 345569, International Farm Management Association.
    • Handle: RePEc:ags:ifma11:345569
    DOI: 10.22004/ag.econ.345569
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    1. Madhu Khanna & Onesime Faustin Epouhe & Robert Hornbaker, 1999. "Site-Specific Crop Management: Adoption Patterns and Incentives," Review of Agricultural Economics, Agricultural and Applied Economics Association, vol. 21(2), pages 455-472.
    2. Luc Anselin & Rodolfo Bongiovanni & Jess Lowenberg-DeBoer, 2004. "A Spatial Econometric Approach to the Economics of Site-Specific Nitrogen Management in Corn Production," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 86(3), pages 675-687.
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