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World losing 2,000 hectares of farm soil daily to salt damage


knocker

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Posted
  • Location: Camborne
  • Location: Camborne

 

Every day for more than 20 years, an average of 2,000 hectares of irrigated land in arid and semi-arid areas across 75 countries have been degraded by salt, according to a study. Today an area the size of France is affected -- about 62 million hectares (20 percent) of the world's irrigated lands, up from 45 million hectares in the early 1990s.

http://www.sciencedaily.com/releases/2014/10/141028082628.htm

 

Salt-loving plants may be key to global efforts for sustainable food production

http://phys.org/news/2014-10-salt-loving-key-global-efforts-sustainable.html

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Posted
  • Location: North York Moors
  • Location: North York Moors

How much more irrigated land is there since 'The early 90s'?
It sounds suspiciously like playing with statistic to make a dubious point.
Salt problems with irrigation are well understood - and nothing new.
I doubt they are becoming worse than we thought.

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Posted
  • Location: Near Newton Abbot or east Dartmoor, Devon
  • Location: Near Newton Abbot or east Dartmoor, Devon

How much more irrigated land is there since 'The early 90s'?

It sounds suspiciously like playing with statistic to make a dubious point.

Salt problems with irrigation are well understood - and nothing new.

I doubt they are becoming worse than we thought.

 

Which article said it was 'worse than we thought'? Or is that just your dubious point...

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