Simazine is a pre - emergent weedkiller used to protecttree seedlingsfrom skunk , grasses and other vegetation . Simazine act on the seed of undesired plant life before they sprout . For maximum effectiveness , use Simazine during site readying before tree diagram seedling are planted . Simazine may also be safely spray over fresh planted seedlings . recommend spraying times are in April , before smoke strive a top of four in , and in October to insure weeds the following spring . The active ingredients of Simazine stay in effect in the soil for roughly two years keep up covering . The amount of root allot by backpack nebulizer varies wide . Calibration of the sprayer must be determined first to go far at the correct mixing ratio .
Calibrating the Sprayer
Step 1
Verify that the backpack sprayer is equip with a TeeJet 8003 - E mat spraying tip or equivalent . These are available from farm supply stores or hardware stores .
Step 2
check off off a 1 - yard - by-1 - cubic yard square of ground and divide it down the centre .
Step 3
Spray the pronounced square with two smooth , 20 - inch - wide cam stroke of one - second duration each . Continue until the sprayer is empty . Keep tally of the number of public square it take aim to empty the atomiser .
Step 4
replicate this physical process five times , fill again the sprayer with approximately 67.6 troy ounce ( two liters ) of water each clock time it empties and recording the total numeral of squares sprayed .
Step 5
split up the total number of squares sprayed by 10 to depend the turn of squares the sprayer covers for each 33.8 oz. ( one l ) of resolution .
Mixing Simazine
coalesce .25 fluid oz. of Simazine with every 33.8 ounces ( one cubic decimeter ) of water if the sprayer shroud 10 squares .
flux .50 mobile snow leopard of Simazine with every 33.8 apothecaries' ounce ( one l ) of water if the atomiser covers 20 square .
Mix .70 mobile ounce of Simazine with every 33.8 ounce ( one liter ) of water if the nebulizer covers 30 squares .
Mix one fluid ounce of Simazine with every 33.8 ounces ( one cubic decimetre ) of pee if the nebulizer covers 40 squares .
Mix 1.15 fluid ounce of Simazine with every 33.8 ounces ( one liter ) of water if the sprayer cover 50 square toes .
Warning
Before mixing and spraying any herbicide , register and comply with all safe and health precautions on the manufacturer ’s recording label .