reducing digging losses by using automated steering to plant and invert peanuts

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ID: 256476
2014
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Abstract
GPS guidance of farm machinery has been increasingly adopted by farmers because of the perceived gains in efficiency that it provides. In the southeastern USA one of the reasons farmers adopt GPS guidance, and specifically automated steering (auto-steer), is that it can theoretically result in large yield gains when used to plant and invert peanuts—one of the region’s most important crops. The goal of our study was to quantify the yield benefit of using real time kinematic (RTK)-based auto-steer to plant and invert peanuts under a variety of terrain conditions. Yield benefits result from reduced digging losses. The study was conducted for two consecutive years (2010 and 2011) on a private farm in Georgia, USA. When all data are grouped together, auto-steer outperformed conventional by 579 kg/ha in 2010 and 451 kg/ha in 2011. We also evaluated the performance of auto-steer under different curvature conditions using low, medium, and high curvature rows. The results showed that auto-steer outperformed conventional under all curvature by a minimum of 338 kg/ha. Finally, we evaluated passive implement guidance in combination with auto-steer and found that it holds tremendous potential for further reducing digging losses. In many cases, auto-steer will pay for itself within a year.
Reference Key
vellidis2014agronomyreducing Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;George Vellidis;Brenda Ortiz;John Beasley;Rodney Hill;Herman Henry;Heather Brannen
Journal drinking water engineering and science
Year 2014
DOI
10.3390/agronomy4030337
URL
http://www.mdpi.com/2073-4395/4/3/337
Keywords
gps peanuts digging lossesagriculture

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