1. Dynamics of Weed Populations
2. Silverleaf nightshade (Solanum elaeagnifolium) control with glyphosate at reduced rates;Dotray;Texas J. Agric. Nat. Res,1996
3. Differential global positioning system, Trimble Navigation Limited, Sunnyvale, CA 94085.
4. Four-row W3504 Wylie Spray Shield™ directed sprayer, WYLIE Manufacturing Co., Petersburg, TX 79250.
5. Patchen™ Model 650 Weedseeker®, NTech Industries Inc., Ukiah, CA 95482.