View Single Post
  #5 (permalink)   Report Post  
Posted to rec.food.cooking
Graham Graham is offline
external usenet poster
 
Posts: 5,541
Default I'd like to see the calculations

On 2018-09-05 9:56 AM, Sqwertz wrote:
> On Wed, 5 Sep 2018 09:11:08 -0600, graham wrote:
>
>> I've read that it takes a gallon of water to produce ONE almond in
>> California but many of the sources for such statistics are dubious to
>> say the least. All it takes is one quackie magazine to print something
>> as fact and then it gets quoted so many times that it falsely becomes
>> "common knowledge" or a "truism".
>> There's something about the "gallon per nut" statistic that leaves an
>> uneasy feeling.

>
> And while we're at it (my comments at the end):
>
> --------------
>
> http://www.latimes.com/food/dailydis...124-story.html
>
> A 1/3-pound burger requires 660 gallons of water. Most of this water
> is for producing beef (see below).
>
> 1 pound of beef requires 1,799 gallons of water, which includes
> irrigation of the grains and grasses in feed, plus water for
> drinking and processing.
>
> 1 slice of bread requires 11 gallons of water. Most of this water is
> for producing wheat (see below).
>
> 1 pound of wheat requires 132 gallons of water.
>
> 1 gallon of beer requires 68 gallons of water, or 19.8 gallons of
> water for 1 cup. Most of that water is for growing barley (see
> below).
>
> 1 pound of barley requires 198 gallons of water.
>
> 1 gallon of wine requires 1,008 gallons of water (mostly for growing
> the grapes), or 63.4 gallons of water for 1 cup.
>
> 1 apple requires 18 gallons of water. It takes 59.4 gallons of water
> to produce 1 cup of apple juice.
>
> 1 orange requires 13 gallons of water. It takes 53.1 gallons of
> water for 1 cup of orange juice.
>
> 1 pound of chicken requires 468 gallons of water.
>
> 1 pound of pork requires 576 gallons of water.
>
> 1 pound of sheep requires 731 gallons of water.
>
> 1 pound of goat requires 127 gallons of water.
>
> 1 pound of rice requires 449 gallons of water.
>
> 1 pound of corn requires 108 gallons of water.
>
> 1 pound of soybeans requires 216 gallons of water.
>
> 1 pound of potatoes requires 119 gallons of water.
>
> 1 egg requires 53 gallons of water.
>
> 1 gallon of milk requires 880 gallons of water, or 54.9 gallons of
> water for 1 cup. That includes water for raising and grazing cattle,
> and bottling and processing.
>
> 1 pound of cheese requires 600 gallons of water. On average it
> requires 1.2 gallons of milk to make 1 pound of cheese.
>
> 1 pound of chocolate requires 3,170 gallons of water.
>
> 1 pound of refined sugar requires 198 gallons of water.
>
> 1 gallon of tea requires 128 gallons of water, or 7.9 gallons of
> water for 1 cup.
>
> 1 gallon of coffee requires 880 gallons of water, or 37 gallons of
> water for 1 cup. "If everyone in the world drank a cup of coffee
> each morning, it would 'cost' about 32 trillion gallons of water a
> year," National Geographic notes.
>
> ----------------------
>
> Most of the figures are ultimately for growing grains, fruits, and
> vegetables. But this is not how much the plant or tree uses, but
> rather is the result of inefficient watering systems. They may
> throw 2,500 gallons of water at that apple tree, but it only takes
> up 50 gallons. The other 2,450 gallons is eventually returned to
> the ecosystem.
>
> If these same products were grown hydroponically they would "use"
> 1/100th of the water they're claiming to use in traditional farming.
> This is more an accurate representation of how much water uit
> *really* takes to grown these items.
>
> Of course they don't point any of this out in their effort to
> mislead you.
>
> -sw
>

and regarding livestock, they don't exclude the water returned in the
form of ****:-)