Effluent application rates
Travelling irrigatorsThe calculator is currently not working online. |
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To calculate the distance an irrigator needs to travel (in metres) per hour: | |||
output volume in litres per hour° |
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desired depth of applied effluent in millimetres* | |||
spray swath width in metres | = | ||
metres per hour | |||
° If you know your output volume as cubic metres (m³), multiply this value by 1000 to give litres per hour. * The maximum depth for application is 25 mm at one time. |
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Stationary spray 'cannons' |
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To calculate the length of time a spray head can be postitioned in any one place, three simple calculations have to be made: | |||
1. Determine the area covered by the spray head: |
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x | = | ||
radius of spray circle in metres |
Pi | area covered by the spray head in square metres | |
2. Determine the quantity of effluent required to cover the area to the desired depth : |
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desired depth of applied effluent in millimetres* |
x | = | |
area covered by the spray head in square metres | quantity of effluent required in cubic metres | ||
* The maximum depth for application is 25 mm at any one time. |
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3. Determine the time the spray head can stay in one position: |
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quantity of effluent required in cubic metres |
x |
= |
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pump capacity in cubic metres per hour |
minutes | number of minutes the spray head can stay in any one position | |
Slurry tankers / effluent wagons |
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To calculate the distance an irrigator needs to travel (in metres) per hour: | |||
volume of the tanker in litres |
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desired depth of applied effluent in millimetres* | |||
spray swath width in metres | = | ||
metres to travel to empty each load | |||
* The maximum depth for application is 25 mm at any one time |
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