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Sensor-Controlled Hooded Sprayer for Row Crops

Published online by Cambridge University Press:  12 June 2017

James E. Hanks  and
James L. Beck
James E. Hanks
Affiliation:
USDA-ARS, Application and Production Technology Research Unit, Stoneville, MS 38776
James L. Beck
Affiliation:
Patchen, Inc., A Subsidiary of Deere & Company, Los Gatos, CA 95030
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Abstract

Methods were developed and evaluated that utilize state of the art weed-sensing technology in row-crop production systems. Spectral differences in green living plants and bare soil allowed ‘real-time’ weed detection, with intermittent spraying of herbicide only where weeds were present. Sensor units were mounted in 0.7-m-wide hooded sprayers providing sensors with an unobstructed view of the area between soybean rows. Single hood and commercial-size eight-row systems were evaluated, and savings in glyphosate spray solution applied using sensors ranged from 63 to 85%, compared to conventional hooded spray systems with continuous application. Weed control by the sensor-controlled spray system was equal to the conventional system. This technology can significantly reduce herbicide usage and decrease production cost without reducing weed control.

Keywords

Glyphosate, N-(phosphonomethyl)glycinesoybean, Glycine max (L.) Merr. ‘Deltapine 3588.'Application technologyintermittent sprayingoptoelectronicselective applicatorspectral reflectancespot sprayingSorghum halepenseIpomoea hederaceaIpomoea lacunosaSida spinosaCyperus rotundusCYPROIPOHEIPOLASIDSPSORHACRADA, Cooperative Research and Development AgreementEPROM, Erasable Programmable Read Only MemoryFOV, field of viewWAT, weeks after treatment
Type
Research
Information
Weed Technology , Volume 12 , Issue 2 , June 1998 , pp. 308 - 314
Copyright
Copyright © 1998 by the Weed Science Society of America 

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