KEBIJAKAN PENGELOLAAN AIR UNTUK MEWUJUDKAN KETAHANAN PANGAN
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Published:
Sep 14, 2011
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Abstract
Up until now, some countries still facing food shortage. One of the
reasons is waters carcity. As we know, it is estimated that 70 percent
of the water consumed worldwide, including that diverted from rivers
and pumped from underground, is used for irrigation, while some 20
percent is used by industry and 10 percent for residential purposes. In
the increasingly intense competition for water among these three sectors,
the economics of water do not favor agriculture. In China, 1,000 tons of
water can be used to produce 1 ton of wheat, worth perhaps $200, or to
expand industrial output by $14,000—70 times as much. In a country
that is desperately seeking economic growth and the jobs it generates,
the gain in diverting water from agriculture to industry is obvious.
reasons is waters carcity. As we know, it is estimated that 70 percent
of the water consumed worldwide, including that diverted from rivers
and pumped from underground, is used for irrigation, while some 20
percent is used by industry and 10 percent for residential purposes. In
the increasingly intense competition for water among these three sectors,
the economics of water do not favor agriculture. In China, 1,000 tons of
water can be used to produce 1 ton of wheat, worth perhaps $200, or to
expand industrial output by $14,000—70 times as much. In a country
that is desperately seeking economic growth and the jobs it generates,
the gain in diverting water from agriculture to industry is obvious.
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RESEARCH ARTICLES
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