Authority MTZ

Active ingredients: 
sulfentrazone, metribuzin
Site of action groups: 
14, 5
Manufacturer: 
FMC
EPA reg number: 
279-3340
Restricted use product or combination: 
No
Rate (per A): 

Application rates when used in standard PRE or PRE + POST programs, on soils with 2 to 4% OM: coarse-textured - 14 to 16 oz; medium-textured - 16 to 18 oz; fine-textured - 18 to 20 oz. Application rate when followed by a POST application of glyphosate in Roundup Ready soybeans, on soils with 2 to 4% OM: coarse-textured - 8 to 10 oz; medium-textured - 10 to 12 oz; fine-textured - 12 to 14 oz.

Application timing: 
Preplant or preemergence up to 3 days after planting. To minimize risk of crop injury, apply a week or more prior to planting. When applied after planting, apply prior to soybean seed germination to prevent injury to emerging soybean seedlings.
Comments: 
Do not apply to sandy soils with less than 1% organic matter, or to soils with pH greater than 7.5. Do not apply to frozen soil or incorporate deeper than 2 inches.
Rotation intervals: 

Time to wait to plant following application (months; NR = no restrictions): corn - 10; wheat - 4; oats - 18; alfalfa - 12; clover - 18; soybeans - NR; tomatoes - NR; popcorn - 10; sweet corn - 18