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Pesticide is applied to a 10 ha (hectare) field at an average rate of 1 kg/ha every month. The soil is regarded as 20 cm deep a...Asked by Ebehita Vincent Omoarebun
Pesticide is applied to a 10 ha (hectare) field at an average rate of 1 kg/ha every
month. The soil is regarded as 20 cm deep and well-mixed. The pesticide evaporates
at a rate of 2% of the amount present per day and it degrades microbially with a
rate constant of 0.05 day-1
. What will be the steady state concentration of pesticide
in g/m3
and in unit of g/g, assuming the soil density as 2500 kg/m3. (10 marks)
month. The soil is regarded as 20 cm deep and well-mixed. The pesticide evaporates
at a rate of 2% of the amount present per day and it degrades microbially with a
rate constant of 0.05 day-1
. What will be the steady state concentration of pesticide
in g/m3
and in unit of g/g, assuming the soil density as 2500 kg/m3. (10 marks)
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