Irrigation is easy in the South because of the abundance of water.

南方多水，利于灌溉。

《新英汉大辞典》

This is a small price to pay for a quick and easy way to check whether, for instance, water is too briny for irrigation.

例如通过这样一个快捷简单的方法去检验水是否因为盐度过高不宜灌溉这些开销算不得什么。

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One emitter may fail and go unnoticed until plant damage has occurred, but drip irrigation parts are inexpensive and easy to replace.

一个发射器可能会失败，被忽视，直到工厂发生了损害，但滴灌部分价格低廉，易于更换。

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It is a small price to pay for a quick and easy way to check whether, for instance, water is too briny for irrigation.

ECONOMIST: Monitor

Faculty at the University of Georgia have invented an easy-to-use, GPS-based technology that allows farmers to more accurately target irrigation needs, reducing water consumption by an average of 15 percent.

FORBES: New Technology Reduces Agricultural Water Consumption