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herbicide_or_pesticide_mixing_formulas [2012/04/05 19:26] ddrummond created |
herbicide_or_pesticide_mixing_formulas [2013/03/28 16:49] (current) rsheridan |
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====== Herbicide or Pesticide Mixing Formulas ====== | ====== Herbicide or Pesticide Mixing Formulas ====== | ||
+ | The following formulas may be helpful when mixing herbicides or pesticides: \\ | ||
+ | 1. The percent of active ingredient in a spray mixture: \\ | ||
+ | {{::mixingformula1.jpg|}} | ||
+ | \\ | ||
+ | 2. The pounds of wettable powder needed to mix a spray containing a given percentage of | ||
+ | active ingredient:\\ | ||
+ | {{::mixingformula2.jpg|}} | ||
+ | \\ | ||
+ | 3. The gallons of concentrate needed to mix a spray containing a given percentage of active ingredient:\\ | ||
+ | {{::mixingformula3.jpg|}} | ||
+ | \\ | ||
+ | 4. The pounds of concentrate to use to prepare a solution or suspension on a weight-to-weight basis:\\ | ||
+ | {{::mixingformula4.jpg|}} | ||
+ | |||
+ | ====Conversion Factors ==== | ||
+ | Some conversion factors of importance in herbicide or pesticide mixing are: | ||
+ | ===Measures=== | ||
+ | |1 tablespoonful |=|3 teaspoonfuls| | ||
+ | |2 tablespoonfuls |=|1 fluid ounce | | ||
+ | |16 tablespoonfuls |=|1 cup | | ||
+ | |8 fluid ounces |=|1 cup | | ||
+ | |2 cups |=|1 pint | | ||
+ | |16 fluid ounces |=|1 pint | | ||
+ | |16 cups |=|1 gallon | | ||
+ | |128 fluid ounces |=|1 gallon | | ||
+ | |3785.3 ccs. |=|1 gallon | | ||
+ | |||
+ | ===Weights=== | ||
+ | 1 gallon of pure water weighs 8.345 lbs.\\ | ||
+ | 1 gallon of Diesel oil weighs 7.0 lbs.\\ | ||
+ | 454 grams equals 1 lb.\\ | ||
+ | 1 ounce per square foot = approx. 2722.5 lb/acre\\ | ||
+ | 1 ounce per square yard = approx. 302.5 lb/acre\\ | ||
+ | 1 lb. per 100 square feet = 435.6 lb/acre\\ | ||
+ | 1 pint per square rod = 20 gal. per acre\\ | ||
+ | 1 gram per square feet = approx. 96 lb/acre\\ |