Although over two thirds of the Earth's surface is covered by
water, more than 97% is ocean water which is too salty for human
use or even for irrigation. Consequently, the freshwater is only 3%
and almost 1% of the available freshwater is liquid surface water
that can be used directly by humans. The rest is groundwater and
iced water. Yet still, freshwater is considered to be one of the
most abundant resources on earth. In the agriculture sector only,
over two-thirds of the available freshwater is used for irrigation.
This book focuses on the technology, management and efficiency of
drip irrigation.
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