Wireless-and-GPS system for cotton fiber-quality mapping |
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| Authors: | Yufeng Ge J Alex Thomasson Ruixiu Sui |
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| Institution: | (1) Department of Biological and Agricultural Engineering, Texas A&M University, College Station, TX 77843, USA;(2) Cotton Ginning Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Stoneville, MS 38776, USA |
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| Abstract: | A system including wireless-communication and GPS technologies was designed, constructed and field tested to enable site-specific
crop management in cotton production in the form of fiber-quality mapping. The system is comprised of three functional sub-systems
associated with the three machines typically used in cotton harvesting: harvester, boll buggy and module builder. Harvest
area for a basket load of cotton is recorded with GPS, and the module into which a basket is dumped is tracked through wireless
communication among the sub-systems. In three field tests, the system was easily installed on equipment and performed as designed.
Fiber-quality maps were produced by combining the GPS-based module area data collected during harvest with bale-level fiber-quality
data measured at a cotton classing office after ginning. Statistical analysis showed significant differences in most cotton
fiber properties among mapped modules, and spatial trends were identified. The system provides a useful tool for studying
spatial variability in cotton fiber quality. |
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