Table 1. Rotation restrictions of several corn and soybean herbicides to cover crops and/or fall forage crops producers may be considering following crop failure due to drought.  Crops not listed on label are given max rotation and typically require a successful bioassay.  Always refer to label for more details.
	Annual Ryegrass	Wheat	Clover	Vetch	Radish	Oats	Cowpea	Buckwheat	Alfalfa	Forage Sorghum	Pearl Millet	Max Rotation	Comments
Corn Herbicides	------------------------Replant Interval (Months)------------------------
Atrazine	NY	NY	NY	NY	NY	NY	NY	NY	NY	0	NY	30	NY=Next Year.  If applied after June 10th, do not plant the following year.  Info taken from Aatrex label.
Balance Flexx	18	4	18	18	18	18	18	18	10	6	18	18	15 inches of cumulative precipitation from application to planting of rotational crop required for all except sorghum and wheat
Callisto	N/A	4	18	18	18	0	18	18	10	0	0	18	Grasses grown for seed can be planted immediately, but annual ryegrass is not directly addressed
Capreno	18	4	18	18	18	18	18	18	18	10	18	18	Sorghum rotation should be delayed to 18 months if total seasonal rate of Capreno herbicide exceeds 3 fl oz/A. Sorghum rotation requires at least 15 inches of precipitation, all other rotations excluding wheat require 30 inches of precipitation.
Corvus	17	4	17	17	17	17	17	17	17	17	17	17	For all rotation crops except wheat a minimum of 30 inches of precipitation is required.
Impact	N/A	3	18	18	18	3	18	18	9	9	18	18	Grasses grown for seed can be planted three months after application, but annual ryegrass is not directly addressed
Laudis	18	4	18	18	18	4	10	18	10	10	18	18	Grass grown for seed listed at 4 months, but annual ryegrass not mentioned specifically
Lumax/Lexar	18	4.5/NS	18	18	18	NS	18	18	18	0	18	18	NS=The next spring following application
Status	4	4	4	4	4	4	4	4	4	4	4	4	Alfalfa, wheat, oats, and forage sorghum can be planted 30 days following last Status application of 5 oz/A or less if at least 1" of rainfall or irrigation is received.
SureStart/TripleFlex	26	4	NS	NS	26	NS	NS	26	NS	12	26	26	NS=The next spring following application.
Verdict	NS	4	NS	NS	NS	4	NS	NS	NS	0	NS	NS	NS=The next spring following application
Soybean Herbicides
Authority First/Sonic	30	4	30	30	30	12	12	30	12	12	30	30
Authority MTZ	18	4	18	18	18	18	18	18	12	18	18	18	Sorghum can be planted after 12 months if Authority MTZ was applied at 20 oz/A or less
Canopy	4	4	12	30	30	30	12	30	10	12	30	30
Classic	3	3	12	30	30	3	9	30	12	9	30	30
Extreme	40	3	4	40	40	18	0	40	4	18	40	40
Firstrate	18	4	18	18	18	9	9	18	9	9	18	18
Optill PRO	40	4	9	40	40	18	4	40	9	18	40	40
Valor XLT	4	4	18	30	30	30	12	30	12	10	30	30
Corn and Soybean
Dual II Magnum	12	4.5	9	0	0	4.5	0	NS	4	0	12	12	To avoid injury in clover, do not apply more than 1.9 lb ai/A (2 lb/A) in previous crop
Warrant	NL	4	9	9	NL	NS	NS	NS	9	0	NS	NL	NS= Next season, NL=Not listed on Label