3 Irrigation Systems pdf

Table 1.  Fixed & portable solid set (seasonal fixed) sprinklers

Capital costs

Relatively high; $4,500-$10,000 for 10 ha

system.*

Pumping costs

Relatively low low; sprinklers operate at medium

pressures.

Labour requirements

Minimal one set up; substantial at set-up and

retrieval of solid set installations.

Uniformity of application

Good if property designed with appropriate

sprinkler spacings.

Good uniformity is an advantage for crop quality.

Efficiency

High

Best suited

Fixed systems only for perennial crops,

particularly for trees.

High value, intensive, vegetable, herb &

ornamental crops.

Offer potential for frost control.

Comments

With low labour requirements and good uniformity,

precise irrigation scheduling is possible.

* Costs based on the supply and installation of all components (excluding

power to the site) necessary for a significant irrigation system, designed to

supply water for irrigation needs in a timely and accurate manner.

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3 Irrigation Systems V3.doc  01/11/02

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