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IRRIGATION TIPS TO CONSERVE WATER ON THE FARM

Repair leaks in the irrigation system
If you have a water meter installed, the irrigation system can be checked for leaks by turning off the system and monitoring the meter to see if it is still running. Look for ‘perpetual wet spots’ along the irrigation line that do not dry up between irrigations.

Select a more efficient irrigation system if possible
Selecting systems that are not as susceptible to evaporation can increase irrigation efficiencies. Using sprinklers instead of a stationary or travelling gun can reduce water use by 5 – 15%, especially in windy areas. Using a drip system instead of a sprinkler system can save up to 20% of total water use.

Find your maximum irrigation set time and only apply as much water as your soil can hold
Soils can only hold a limited amount of water before the water drains below the root zone or will runoff the saturated soil surface. Light sandy soils hold less water than heavy clay soils.

Know your crop’s water requirements
It is possible to determine how much water your crop is using by monitoring the evapotranspiration (ET) and applying a crop coefficient (Kc). Knowing how much water the crop has used can determine the amount of water removed from the soil. The next irrigation should then only be long enough to replace that amount of moisture.

Know your crop’s water requirements
It is possible to determine how much water your crop is using by monitoring the evapotranspiration (ET) and applying a crop coefficient (Kc). Knowing how much water the crop has used candetermine the amount of water removed from the
soil. The next irrigation should then only be long enough to replace that amount of moisture.

Adjust operating parameters under windy conditions
When operating gun systems under windy conditions, lower the trajectory level and/or narrow the spacing to achieve the best uniformity possible.

Refrain from irrigating during hot windy periods of the day if possible
During the peak of the irrigation season, it may not be possible to wait to irrigate due to the logistics of getting around the entire farm.
However, during the early and late part of the irrigation season there may be more flexibility in planning irrigation times.

(Source – http://www.agf.gov.bc.ca/resmgmt/publist/500Series/500310-1.pdf)

IRRIGATION TIPS TO CONSERVE WATER ON THE FARM обновлено: July 14, 2014 автором: admin

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