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Centre Pivot - Advantages


 

 
 
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Labour savings: the continuous movement of the system reduces the labour requirement of irrigation and increases the number of irrigated area which can be covered at a given pumping rate.  Pivots eliminate the cost of: laying pipes/tubes, moving pipes/tubes, checking gates/tubes, walking rows, ditching/damming, land levelling and multiple tillage operations. Once the pivot is set up, there is  no physical labour required. One person can operate the whole system.

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Crop water use efficiency increased by 50%-75%. Water savings compared to any surface irrigation up to 45-70%.

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Increased yields compared to surface irrigation up to 5%-25%.

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Double cropping it is possible. Planting into the crop residue following harvest allows a second autumn/winter crop. The practice shows 3 crop/2 year rotation, i.e. corn - wheat - soybean.

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Reduces water logging because a wide selection of nozzle types are available, so the system can match the infiltration rate of the soil.

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The system is a low pressure system, therefore low pumping energy is required.

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Can apply different application rates, during a revolution (having different crops or various soil types) during one revolution with improved water application uniformity.

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Centre pivots are suitable for chemigation/fertigation.

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Pivots have a relatively low capital cost per hectare.

 

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