One of the advantages of modern irrigation methods is that they alone can save 20-30 percent of the present volume of wasted irrigation water.

现代灌溉方法的优点之一是，仅凭它们就可以节省目前灌溉用水浪费量的20%-30%。

youdao

210 farm irrigation systems and 772 orchard irrigation systems were improved.

改造了210个农田灌溉系统和772个果园灌溉系统。

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For instance, in eastern and southern Africa, an estimated 596.7m hectares are suitable for irrigation, yet only 2% of this land has any irrigation system in place.

例如，东部非洲和南部非洲，估计有五亿九千六百七十公顷适合灌溉的土地，但只有其中百分之二有灌溉系统。

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New irrigation methods are expected to double wheat production while using one-third of the water required for full irrigation.

VOA: special.2010.02.08

But if irrigation fails, the best thing to do is to go to a health careprovider for professional assistance.

VOA: special.2010.03.31

The money is to be used to expand small irrigation projects to the other half of India's twenty-eight states.

VOA: special.2009.08.17

Jain Irrigation has become the world's second-biggest manufacturer of agricultural micro-irrigation systems, behind an Israeli outfit, Netafim.

FORBES: Magazine Article

This irrigation-efficient system, Khodpe was told, could double crop yields and save up to 60% of the water that flood irrigation methods consume.

FORBES: Magazine Article

Jain Irrigation, an Indian maker of irrigation systems, uses dance and song to explain the benefits of drip irrigation to farmers who can't read.

ECONOMIST: Schumpeter