1. A roller herbicide applicator;Wyse;Proc. North Cent. Weed Control Conf.,1977
2. Maintaining spray solution on a roller applicator;Schepers;North Cent. Weed Control Conf. Res. Rep.,1978
3. A recirculating spray system for post-emergence weed control in row crops;McWhorter;Weed Sci.,1970
4. Gravity-fed recirculating sprayers;Field;Proc. North Cent. Weed Control Conf.,1977
5. Glove-treatments for control of common milkweed;Cramer;North Cent. Weed Control Conf. Res. Rep.,1978