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Computerized System in Cotton Harvester for Measurement of Seedcotton Yield

C.J. Fernandez


A computerized system for direct measurement of seedcotton yield was installed on a John Deere 299 cotton picker and on an Allis Chalmer 860 broadcast-header stripper. The measuring system has three main components: a) a weighing basket, b) a distance measuring device, and c) a computerized control/data acquisition system. A weighing response test showed an average bias of 4.1%. The average of these four measurements showed a 4.1% bias. Each measurement was obtained as an average of 10 3-sec interval readings (harvester engine running). Typical variability of 10 individual 3-sec interval readings was small (coefficient of variation near 0.1%). This computerized measuring system has been extensively and successfully used from 1995 to 1998 seasons for measuring experimental plot yields in Uvalde.

Reprinted from Proceedings of the 1999 Beltwide Cotton Conferences pp. 399 - 401
©National Cotton Council, Memphis TN

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Document last modified Monday, Jun 21 1999