Re: Revisit issue of growing things on Mars

Newsgroups	rec.arts.sf.written
From	djheydt@kithrup.com (Dorothy J Heydt)
Subject	Re: Revisit issue of growing things on Mars
Message-ID	<nwHyDv.vu4@kithrup.com> (permalink)
Date	2015-10-20 02:17 +0000
References	<mvufha01bt9@news3.newsguy.com> <nwGyHG.1095@kithrup.com> <333c1154-70e8-4c09-93fa-be009b232b2f@googlegroups.com> <n041tp$v9u$1@dont-email.me>
Organization	Kithrup Enterprises, Ld.

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In article <n041tp$v9u$1@dont-email.me>,
David Johnston  <David@block.net> wrote:
>On 10/19/2015 6:13 PM, Quadibloc wrote:
>> On Monday, October 19, 2015 at 7:30:07 AM UTC-6, Dorothy J Heydt wrote:
>>> In article <n01tb2$uei$1@dont-email.me>,
>>> William Vetter  <mdhangton@gmail.com> wrote:
>>
>>>> Most people don't realize that irrigation salinates soil over the
>>>> course of decades as trace salts in the irrigation water are
>>>> concentrated, after which more irrigation water is required to flush
>>>> out the salts before planting.
>>
>>>> In the ancient world, this was never a problem in the Nile valley,
>>>> because the river would flood its banks every year to do this
>>>> automatically, up until the Aswan Dam was built.  But it was a big deal
>>>> with the Tigris & Euphrates, which is why the Fertile Crescent isn't as
>>>> fertile as it originally was.
>>
>>> I knew the Crescent had deteriorated over the centuries because
>>> of salts in the soil, the result of irrigation.  I didn't realize
>>> perchlorates were involved.
>>
>> I don't believe he was trying to say they were - just that the same
>accumulation of ordinary salt that caused problems on Earth could happen
>with perchlorates on Mars if we thought that just washing them out with
>water would solve the problem.
>>
>> John Savard
>>
>
>Just washing out salt with water DOES work.  It just takes a whole 
>heaping lot of water.

That drains away somewhere.  If you're irrigating the soil with
canals full of slightly salty water, then it builds up right
where you're trying to grow things.

-- 
Dorothy J. Heydt
Vallejo, California
djheydt at gmail dot com

Thread

Revisit issue of growing things on Mars "a425couple" <a425couple@hotmail.com> - 2015-10-17 14:44 -0700
  Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-18 00:37 +0000
    Re: Revisit issue of growing things on Mars Robert Carnegie <rja.carnegie@excite.com> - 2015-10-17 22:23 -0700
      Re: Revisit issue of growing things on Mars Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2015-10-17 22:47 -0700
        Re: Revisit issue of growing things on Mars Greg Goss <gossg@gossg.org> - 2015-10-18 17:24 -0600
          Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-19 00:51 +0000
            Re: Revisit issue of growing things on Mars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-18 21:12 -0400
              Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-19 02:02 +0000
                Re: Revisit issue of growing things on Mars Dimensional Traveler <dtravel@sonic.net> - 2015-10-18 20:02 -0700
                Re: Revisit issue of growing things on Mars "Brian M. Scott" <b.scott@csuohio.edu> - 2015-10-18 23:34 -0400
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-19 04:32 +0000
                Re: Revisit issue of growing things on Mars wdstarr@panix.com (William December Starr) - 2015-10-19 11:28 -0400
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-19 18:44 +0000
                Re: Revisit issue of growing things on Mars Robert Carnegie <rja.carnegie@excite.com> - 2015-10-20 03:05 -0700
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-19 04:31 +0000
                Re: Revisit issue of growing things on Mars Walter Bushell <proto@panix.com> - 2015-10-19 16:50 -0400
                Re: Revisit issue of growing things on Mars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-18 23:16 -0400
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-19 04:34 +0000
          Re: Revisit issue of growing things on Mars Robert Bannister <robban@clubtelco.com> - 2015-10-19 12:25 +0800
          Re: Revisit issue of growing things on Mars Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2015-10-19 01:34 -0700
      Re: Revisit issue of growing things on Mars William Vetter <mdhangton@gmail.com> - 2015-10-19 01:01 -0400
        Re: Revisit issue of growing things on Mars Lawrence Watt-Evans <lwe@sff.net> - 2015-10-19 01:25 -0400
          Re: Revisit issue of growing things on Mars ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2015-10-19 06:00 +0000
            Re: Revisit issue of growing things on Mars Greg Goss <gossg@gossg.org> - 2015-10-19 00:15 -0600
            Re: Revisit issue of growing things on Mars Lawrence Watt-Evans <lwe@sff.net> - 2015-10-19 02:39 -0400
              Re: Revisit issue of growing things on Mars Robert Carnegie <rja.carnegie@excite.com> - 2015-10-19 05:32 -0700
              Re: Revisit issue of growing things on Mars Kevrob <kevrob@my-deja.com> - 2015-10-19 13:21 -0700
        Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-19 13:22 +0000
          Re: Revisit issue of growing things on Mars petertrei@gmail.com - 2015-10-19 08:04 -0700
          Re: Revisit issue of growing things on Mars Quadibloc <jsavard@ecn.ab.ca> - 2015-10-19 17:13 -0700
            Re: Revisit issue of growing things on Mars David Johnston <David@block.net> - 2015-10-19 18:31 -0600
              Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-20 02:17 +0000
                Re: Revisit issue of growing things on Mars David Johnston <David@block.net> - 2015-10-19 20:47 -0600
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-20 04:03 +0000
                Re: Revisit issue of growing things on Mars William Vetter <mdhangton@gmail.com> - 2015-10-20 00:33 -0400
                Re: Revisit issue of growing things on Mars "John F. Eldredge" <john@jfeldredge.com> - 2015-10-20 23:23 +0000
                Re: Revisit issue of growing things on Mars Greg Goss <gossg@gossg.org> - 2015-10-20 17:55 -0600
                Re: Revisit issue of growing things on Mars mzenier@eskimo.com (Mark Zenier) - 2015-10-20 17:00 +0000
                Re: Revisit issue of growing things on Mars Dimensional Traveler <dtravel@sonic.net> - 2015-10-20 20:38 -0700
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-21 04:06 +0000
                Re: Revisit issue of growing things on Mars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-21 04:09 -0400
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-21 13:19 +0000
                Re: Revisit issue of growing things on Mars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-21 18:17 -0400
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-21 23:31 +0000
                Re: Revisit issue of growing things on Mars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-21 23:22 -0400
                Re: Revisit issue of growing things on Mars Dimensional Traveler <dtravel@sonic.net> - 2015-10-21 20:01 -0700
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-22 03:38 +0000
                Re: Revisit issue of growing things on Mars Dimensional Traveler <dtravel@sonic.net> - 2015-10-22 17:11 -0700
                Re: Revisit issue of growing things on Mars Quadibloc <jsavard@ecn.ab.ca> - 2015-10-22 17:38 -0700
                Re: Revisit issue of growing things on Mars Greg Goss <gossg@gossg.org> - 2015-10-22 22:28 -0600
                Re: Revisit issue of growing things on Mars Walter Bushell <proto@panix.com> - 2015-10-26 23:16 -0400
                Re: Revisit issue of growing things on Mars Robert Bannister <robban@clubtelco.com> - 2015-10-23 14:48 +0800
                Re: Revisit issue of growing things on Mars petertrei@gmail.com - 2015-10-23 08:07 -0700
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-23 15:33 +0000
                Re: Revisit issue of growing things on Mars petertrei@gmail.com - 2015-10-23 10:10 -0700
                Re: Revisit issue of growing things on Mars Dimensional Traveler <dtravel@sonic.net> - 2015-10-23 19:07 -0700
                Re: Revisit issue of growing things on Mars Larry Moore <larry@wightman.ca> - 2015-10-24 12:56 +0000
                Re: Revisit issue of growing things on Mars Cryptoengineer <treifamily@gmail.com> - 2015-10-24 10:57 -0500
                Re: Revisit issue of growing things on Mars Anthony Frost <Vulch@vulch.org> - 2015-10-25 10:40 +0100
                Re: Revisit issue of growing things on Mars wdstarr@panix.com (William December Starr) - 2015-10-25 17:23 -0400
                Re: Revisit issue of growing things on Mars Cryptoengineer <treifamily@gmail.com> - 2015-10-25 16:41 -0500
                Re: Revisit issue of growing things on Mars Thomas Koenig <tkoenig@netcologne.de> - 2015-10-25 22:32 +0000
                Re: Revisit issue of growing things on Mars Robert Bannister <robban@clubtelco.com> - 2015-10-26 10:39 +0800
                Re: Revisit issue of growing things on Mars Cryptoengineer <treifamily@gmail.com> - 2015-10-25 21:47 -0500
                Re: Revisit issue of growing things on Mars Robert Bannister <robban@clubtelco.com> - 2015-10-27 10:42 +0800
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-23 00:57 +0000
                Re: Revisit issue of growing things on Mars Walter Bushell <proto@panix.com> - 2015-10-26 23:12 -0400
                Re: Revisit issue of growing things on Mars David DeLaney <daviddelaney@earthlink.net> - 2015-10-28 20:33 -0500
              Re: Revisit issue of growing things on Mars William Vetter <mdhangton@gmail.com> - 2015-10-19 23:33 -0400
              Re: Revisit issue of growing things on Mars Robert Bannister <robban@clubtelco.com> - 2015-10-20 15:00 +0800
                Re: Revisit issue of growing things on Mars David Johnston <David@block.net> - 2015-10-20 01:09 -0600
                Re: Revisit issue of growing things on Mars William Vetter <mdhangton@gmail.com> - 2015-10-24 05:17 -0400
                Re: Revisit issue of growing things on Mars Cryptoengineer <treifamily@gmail.com> - 2015-10-24 10:43 -0500
                Re: Revisit issue of growing things on Mars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-24 13:27 -0400
                Re: Revisit issue of growing things on Mars William Vetter <mdhangton@gmail.com> - 2015-10-25 10:45 -0400
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-24 16:01 +0000
                Re: Revisit issue of growing things on Mars Joy Beeson <jbeeson@invalid.net.invalid> - 2015-10-24 23:16 -0300
                Re: Revisit issue of growing things on Mars Robert Bannister <robban@clubtelco.com> - 2015-10-26 10:41 +0800
                Re: Revisit issue of growing things on Mars Bill Gill <billnews2@cox.net> - 2015-10-25 08:37 -0500
                Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-25 14:10 +0000
                Re: Revisit issue of growing things on Mars David DeLaney <daviddelaney@earthlink.net> - 2015-10-25 09:43 -0500
                Re: Revisit issue of growing things on Mars Cryptoengineer <treifamily@gmail.com> - 2015-10-25 11:19 -0500
                Re: Revisit issue of growing things on Mars Bill Gill <billnews2@cox.net> - 2015-10-25 11:42 -0500
                Re: Revisit issue of growing things on Mars Robert Bannister <robban@clubtelco.com> - 2015-10-26 10:43 +0800
                Re: Revisit issue of growing things on Mars Larry Moore <larry@wightman.ca> - 2015-10-25 18:18 +0000
                Re: Revisit issue of growing things on Mars Greg Goss <gossg@gossg.org> - 2015-10-25 12:54 -0600
                Re: Revisit issue of growing things on Mars William Vetter <mdhangton@gmail.com> - 2015-10-25 12:07 -0400
                Re: Revisit issue of growing things on Mars wdstarr@panix.com (William December Starr) - 2015-10-25 17:32 -0400
                Re: Revisit issue of growing things on Mars William Vetter <mdhangton@gmail.com> - 2015-10-25 19:49 -0400
                Re: Revisit issue of growing things on Mars Robert Bannister <robban@clubtelco.com> - 2015-10-26 10:47 +0800
                Re: Revisit issue of growing things on Mars Greg Goss <gossg@gossg.org> - 2015-10-26 03:52 -0600
                Re: Revisit issue of growing things on Mars Robert Bannister <robban@clubtelco.com> - 2015-10-27 10:44 +0800
        Re: Revisit issue of growing things on Mars Quadibloc <jsavard@ecn.ab.ca> - 2015-10-19 17:10 -0700
          Re: Revisit issue of growing things on Mars "J. Clarke" <j.clarke.873638@gmail.com> - 2015-10-19 22:02 -0400
          Re: Revisit issue of growing things on Mars Thomas Koenig <tkoenig@netcologne.de> - 2015-10-20 05:07 +0000
            Re: Revisit issue of growing things on Mars William Vetter <mdhangton@gmail.com> - 2015-10-20 01:27 -0400
              Re: Revisit issue of growing things on Mars Thomas Koenig <tkoenig@netcologne.de> - 2015-10-20 21:17 +0000
          Re: Revisit issue of growing things on Mars Robert Carnegie <rja.carnegie@excite.com> - 2015-10-20 03:00 -0700
            Re: Revisit issue of growing things on Mars Quadibloc <jsavard@ecn.ab.ca> - 2015-10-20 11:20 -0700
              Re: Revisit issue of growing things on Mars petertrei@gmail.com - 2015-10-20 11:49 -0700
                Re: Revisit issue of growing things on Mars Quadibloc <jsavard@ecn.ab.ca> - 2015-10-21 03:13 -0700
                Re: Revisit issue of growing things on Mars petertrei@gmail.com - 2015-10-21 08:21 -0700
                Re: Revisit issue of growing things on Mars Kevrob <kevrob@my-deja.com> - 2015-10-21 17:29 -0700
                Re: Revisit issue of growing things on Mars Cryptoengineer <treifamily@gmail.com> - 2015-10-21 22:05 -0500
                Re: Revisit issue of growing things on Mars Walter Bushell <proto@panix.com> - 2015-10-26 23:03 -0400
                Re: Revisit issue of growing things on Mars wdstarr@panix.com (William December Starr) - 2015-10-27 08:37 -0400
                Re: Revisit issue of growing things on Mars "Brian M. Scott" <b.scott@csuohio.edu> - 2015-10-27 19:28 -0400
                Re: Revisit issue of growing things on Mars Larry Moore <larry@wightman.ca> - 2015-10-28 20:28 +0000
                Re: Revisit issue of growing things on Mars wdstarr@panix.com (William December Starr) - 2015-10-29 06:07 -0400
                Re: Revisit issue of growing things on Mars Robert Bannister <robban@clubtelco.com> - 2015-10-22 09:03 +0800
                Re: Revisit issue of growing things on Mars Robert Carnegie <rja.carnegie@excite.com> - 2015-10-21 21:17 -0700
                Re: Revisit issue of growing things on Mars wdstarr@panix.com (William December Starr) - 2015-10-25 17:42 -0400
                Re: Revisit issue of growing things on Mars Walter Bushell <proto@panix.com> - 2015-10-26 23:05 -0400
                Re: Revisit issue of growing things on Mars mzenier@eskimo.com (Mark Zenier) - 2015-10-21 15:55 +0000
                Re: Revisit issue of growing things on Mars "nuny@bid.nes" <Alien8752@gmail.com> - 2015-10-22 23:19 -0700
                Re: Revisit issue of growing things on Mars David DeLaney <daviddelaney@earthlink.net> - 2015-10-24 02:16 -0500
                Re: Revisit issue of growing things on Mars Quadibloc <jsavard@ecn.ab.ca> - 2015-10-24 14:33 -0700
          Re: Revisit issue of growing things on Mars Bill Gill <billnews2@cox.net> - 2015-10-21 08:13 -0500
      Re: Revisit issue of growing things on Mars Walter Bushell <proto@panix.com> - 2015-10-19 16:42 -0400
        Re: Revisit issue of growing things on Mars Quadibloc <jsavard@ecn.ab.ca> - 2015-10-19 17:15 -0700
          Re: Revisit issue of growing things on Mars "Brian M. Scott" <b.scott@csuohio.edu> - 2015-10-19 20:46 -0400
          Re: Revisit issue of growing things on Mars djheydt@kithrup.com (Dorothy J Heydt) - 2015-10-20 02:18 +0000
            Re: Revisit issue of growing things on Mars Quadibloc <jsavard@ecn.ab.ca> - 2015-10-20 11:15 -0700
            Re: Revisit issue of growing things on Mars Greg Goss <gossg@gossg.org> - 2015-10-20 18:00 -0600
              Re: Revisit issue of growing things on Mars William Vetter <mdhangton@gmail.com> - 2015-10-20 20:44 -0400
    Re: Revisit issue of growing things on Mars "artyw2@yahoo.com" <artyw2@yahoo.com> - 2015-10-20 14:51 -0700
  Re: Revisit issue of growing things on Mars Des <desmondkavanagh@gmail.com> - 2015-10-22 09:59 -0700

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