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    Question

    In the tank capacity of the sprayer is 20 litres and the

    application rate is 500 I/ha, then butachlor 50 EC required at 1.4 kg ai//ha per spray load is will be
    A 112 ml Correct Answer Incorrect Answer
    B 50 ml Correct Answer Incorrect Answer
    C 25 ml Correct Answer Incorrect Answer
    D 75 ml Correct Answer Incorrect Answer

    Solution

    Butachlor 50 EC @ 1.4 kg ai/ha  Spray volume = 500l/ha  Tank volume = 20 l  No. of spray = 50/2 = 25  Amount (kg/ha) = ai/formulation * 100 = 1.4/50 * 100 = 2.8 l = 2800ml  25 spray = 2800 ml  1 spray = 2800/25 = 112 ml 

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