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G_j

(40,370 posts)
Mon Feb 24, 2014, 12:52 PM Feb 2014

It Takes How Much Water to Grow an Almond?! California's drought is a disaster for your favorites

http://m.motherjones.com/environment/2014/02/wheres-californias-water-going



Why California's drought is a disaster for your favorite fruits, vegetables, and nuts.

—Alex Park and Julia Lurie on Mon.
February 24, 2014 2:55 AM PDT

California, supplier of nearly half of all US fruits, veggies, and nuts, is on track to experience the driest year in the past half millennium. Farms use about 80 percent of the state's "developed water," or water that's moved from its natural source to other areas via pipes and aqueducts.

As the maps above show, much of California's agriculture is concentrated in the parts of the state that the drought has hit the hardest. For example: Monterey County, which is currently enduring an "exceptional drought," according to the US Drought Monitor, grew nearly half of America's lettuce and broccoli in 2012.

When it comes to water use, not all plants are created equal. Here's how much water some of California's major crops require:



Jay Lund, a water expert at the University of California-Davis, says that water problems mean that agriculture may soon play a less important role in California's economy, as the business of growing food moves to the South and the Midwest, where water is less expensive. Production rates for thirsty crops like alfalfa and cotton have already diminished significantly in the last few years. Between 2006 and 2010 alone, the amount of land irrigated for cotton fell by 46 percent.

...more...
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PearliePoo2

(7,768 posts)
2. Wow..terrific graphic post and scary as hell!
Mon Feb 24, 2014, 12:58 PM
Feb 2014

+

I think there's some rain/snow storms coming but it probably won't do much at this point. I hope it helps though!



Xithras

(16,191 posts)
5. It's hard to say.
Mon Feb 24, 2014, 01:12 PM
Feb 2014

The last big storm took parts of the state from 10% of normal to 30% of normal. They say we have two water heavy storms coming in this week, and if they can take us even to 50% the implications would be huge. Every drop helps, but lots of drops help more.

LeftyMom

(49,212 posts)
8. Dairy milk actually uses much more water. The EPA says it's 1,000 gallons of water
Mon Feb 24, 2014, 02:53 PM
Feb 2014

to make one of milk, but other sources say it's as much as twice that. Probably depends a bit on local conditions for growing feed, etc.

Xithras

(16,191 posts)
4. Our local ID recently announced the water allotments for this year.
Mon Feb 24, 2014, 01:10 PM
Feb 2014

Standard allotment in normal years is 42 inches per acre. This year it will be 18. That's a hell of a lot better than the federally dependent farmers further south who are getting zero inches, but it's still pretty abysmal. The good news for the nut growers is that it's enough to keep the trees and vineyards alive. It's BARELY enough to grow tomatoes and other low crops. The corn and alfalfa farmers are going to be in a lot of trouble though. They'll probably have to augment with pumped groundwater, but that's a hell of a lot more expensive and is going to drive their crop prices sky high.

politicaljunkie41910

(3,335 posts)
6. I'm not buying this. 4.9 gallons of water for ONE walnut. I think this is propaganda and I'm not
Mon Feb 24, 2014, 01:40 PM
Feb 2014

buying it. I've lived in California most of my life, and spent several years near the agricultural industry up north. Water has been an issue for most of my life. I don't think California farmers are that wasteful. One grape 0.3 gallons of water. I bought a house where the previous owners had grapevines which produced grapes. This was a residence not a farm and the grapes were more ornamental. Those grapes practically grew themselves and the vines were almost impossible to get rid of. I had a lawn which we watered but never purposely watered the grapevines which every year would return on their own to cover our patio like a trellis since I found them to be a nuisance.

G_j

(40,370 posts)
7. What is a Water Footprint?: An Overview and Applications in Agriculture
Mon Feb 24, 2014, 02:41 PM
Feb 2014
http://edis.ifas.ufl.edu/ae484

The green, blue and grey water footprint
of crops and derived crop products
M. M. Mekonnen and A. Y. Hoekstra

http://dlc.dlib.indiana.edu/dlc/bitstream/handle/10535/7177/green.pdf?sequence=1

hedgehog

(36,286 posts)
10. Agriculture won't shift locations after one year of drought, or even a few.
Mon Feb 24, 2014, 03:19 PM
Feb 2014

Ironically, many of the foods sourced from California year round were once raised at many other locations. For example, Birds-Eye used to have a freezer plant in my town that took in truck load after truck load of green beans during harvest season. Those farms have been out of the bean business for 10 years now. They won't be going back into beans unless they see a long term market trend. There are many small farms raising apples, cherries, strawberries, peaches and blueberries, but I think most of the crop is sold locally during the season.

I will say this - I eat local strawberries almost every day in June but won't touch a berry from California. The local berries taste fantastic, but they are picked at full ripeness, and only keep a few days at best.

Le Taz Hot

(22,271 posts)
11. You can bitch about California agriculture
Mon Feb 24, 2014, 03:25 PM
Feb 2014

all you want WHEN every single grass blade in this state is gone. Until then . . . meh!

 

Egalitarian Thug

(12,448 posts)
12. Certainly an important issue, but it misrepresents reality by depending on the fact that
Mon Feb 24, 2014, 04:27 PM
Feb 2014

so few people have any idea how much water it takes to grow all food using the methods we do.

Drive up the 99 in the summer and you will see mile after mile after mile of sprinklers throwing water into the air. Everywhere you go you will see the same problems with agriculture in California, basically it's a refusal to invest in the future while demanding ever-increasing profits be extracted from the state's natural resources.

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