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Guest
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 Posted: Fri Aug 11, 2006 5:32 am Post subject: Tomato Rotoation Time Frame |
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Hi, Everybody,
I have read that tomatoes should be placed in a different area
each year, due to the risk of diseases building up in one spot of
soil.
Apparantly, this also applies to potatoes. Are they
interchangeable (meaning that I shouldn't put tomatoes in the
spot where last years potatoes were)?
So I am wondering how many different areas are needed? Meaning,
How many seasons/years does a previously used spot need, before
it is safe to put tomatoes there again?
If I rotated around three areas, would that be enough? Or four?
Is there anything else that shouldn't go in last season's tomato
area?
Thanks for your comments.
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cloud dreamer
Guest
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| Posted: Fri Aug 11, 2006 5:32 am Post subject: Re: Tomato Rotoation Time Frame |
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usenet2006@THE-DOMAIN-IN.SIG wrote:
| Quote: | Hi, Everybody,
I have read that tomatoes should be placed in a different area
each year, due to the risk of diseases building up in one spot of
soil.
Apparantly, this also applies to potatoes. Are they
interchangeable (meaning that I shouldn't put tomatoes in the
spot where last years potatoes were)?
|
Absolutely. Don't put tomatoes where potatoes were grown last year and
vice versa.
| Quote: |
So I am wondering how many different areas are needed? Meaning,
How many seasons/years does a previously used spot need, before
it is safe to put tomatoes there again?
If I rotated around three areas, would that be enough? Or four?
|
Four would be ideal. There are all kinds of websites and books out there
that describe the proper four crop rotation techniques.
You can start here: http://www.thevegetablepatch.com/
Just click on the How To Guides and choose Crop Rotation. That'll give
you the basics. I agree with his advice on potatoes. Keep them separate
altogether. I do that by planting them in containers with new potting
soil every year. The used soil goes onto the lawn in the fall.
Apparently, old potato soil is welcomed in the lawn. (Don't try the tire
technique he mentioned - the spuds only rot in the tires. You can do the
same thing by building a raised bed from wood or cinder blocks).
| Quote: |
Is there anything else that shouldn't go in last season's tomato
area?
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Peppers definitely. There may be more.
..
Zone 5a in Canada's Far East. |
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simy1
Guest
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| Posted: Fri Aug 11, 2006 8:24 pm Post subject: Re: Tomato Rotoation Time Frame |
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usenet2006@THE-DOMAIN-IN.SIG wrote:
| Quote: | Hi, Everybody,
I have read that tomatoes should be placed in a different area
each year, due to the risk of diseases building up in one spot of
soil.
Apparantly, this also applies to potatoes. Are they
interchangeable (meaning that I shouldn't put tomatoes in the
spot where last years potatoes were)?
So I am wondering how many different areas are needed? Meaning,
How many seasons/years does a previously used spot need, before
it is safe to put tomatoes there again?
If I rotated around three areas, would that be enough? Or four?
|
It depends on soil, moisture, high and low temperatures. It depends on
whether you pull the plants after the season or leave the roots in the
ground. If your soil is sandy and freezes in the winter, you can rotate
a lot less than if you have a soil that stays moist through the year.
It depends on the general health of the soil (compost, microfauna,
etc.). It depends on the disease. Cabbage clubroot can persist 15
years.
Currently, I have a 1.5 years rotation in my tomatoes (that is, I
rotate some spots, and I reuse some spots) and I see no diseases. I do
the short rotation because I want the best possible access to the
cages, other pick-once vegetables occupy the more remote parts of the
garden. I use drip irrigation, mulch, and I make sure that wayward
branches are pulled into the cage as soon as possible, all practices
that cut down on disease. My soil is very sandy and, if not mulched,
is dry at the surface within an hour of a rainstorm. I only saw a few
diseased tomatoes a few years back, all Costoluto heirlooms, planted in
a spot that had never grown tomatoes before. I have since learned that
this particular heirloom has become very disease-prone in the last
decade or so. The other heirlooms thrive.
So, in regard to your problem, you will have to see what works in your
case. There are other considerations that can shorten your rotation. Is
this spot more limed than another? Is this spot sunnier? Then
lime-loving and sun-loving veggies will go there more often. I have two
spots in my garden where the same veggies are grown every year. The
rest I rotate. Generally, in rotation you try to have plants as
unrelated as possible so that diseases can not thrive on successive
years. Potatoes and tomatoes are both solanaceae, and likewise you
should not plant cabbage and tatsoi (brassica and mustard) in the same
place. |
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William L. Rose
Guest
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| Posted: Sat Aug 12, 2006 9:57 pm Post subject: Re: Tomato Rotoation Time Frame |
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In article <1155309877.990445.27370@m73g2000cwd.googlegroups.com>,
"simy1" <simy1@my-deja.com> wrote:
| Quote: | usenet2006@THE-DOMAIN-IN.SIG wrote:
Hi, Everybody,
I have read that tomatoes should be placed in a different area
each year, due to the risk of diseases building up in one spot of
soil.
Apparantly, this also applies to potatoes. Are they
interchangeable (meaning that I shouldn't put tomatoes in the
spot where last years potatoes were)?
So I am wondering how many different areas are needed? Meaning,
How many seasons/years does a previously used spot need, before
it is safe to put tomatoes there again?
If I rotated around three areas, would that be enough? Or four?
It depends on soil, moisture, high and low temperatures. It depends on
whether you pull the plants after the season or leave the roots in the
ground. If your soil is sandy and freezes in the winter, you can rotate
a lot less than if you have a soil that stays moist through the year.
It depends on the general health of the soil (compost, microfauna,
etc.). It depends on the disease. Cabbage clubroot can persist 15
years.
Currently, I have a 1.5 years rotation in my tomatoes (that is, I
rotate some spots, and I reuse some spots) and I see no diseases. I do
the short rotation because I want the best possible access to the
cages, other pick-once vegetables occupy the more remote parts of the
garden. I use drip irrigation, mulch, and I make sure that wayward
branches are pulled into the cage as soon as possible, all practices
that cut down on disease. My soil is very sandy and, if not mulched,
is dry at the surface within an hour of a rainstorm. I only saw a few
diseased tomatoes a few years back, all Costoluto heirlooms, planted in
a spot that had never grown tomatoes before. I have since learned that
this particular heirloom has become very disease-prone in the last
decade or so. The other heirlooms thrive.
So, in regard to your problem, you will have to see what works in your
case. There are other considerations that can shorten your rotation. Is
this spot more limed than another? Is this spot sunnier? Then
lime-loving and sun-loving veggies will go there more often. I have two
spots in my garden where the same veggies are grown every year. The
rest I rotate. Generally, in rotation you try to have plants as
unrelated as possible so that diseases can not thrive on successive
years. Potatoes and tomatoes are both solanaceae, and likewise you
should not plant cabbage and tatsoi (brassica and mustard) in the same
place.
|
On the other hand, being bestowed with a profound ignorance of growing
tomatoes, I have grown tomatoes in the same spot in amended clay soil,
for eight years and I can't discern any difference in vigor, or fruit.
- Bill |
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Jim Elbrecht
Guest
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| Posted: Tue Aug 15, 2006 6:15 pm Post subject: Re: Tomato Rotoation Time Frame |
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"William L. Rose" <rosefam@sonic.net> wrote:
-snip-
| Quote: | On the other hand, being bestowed with a profound ignorance of growing
tomatoes, I have grown tomatoes in the same spot in amended clay soil,
for eight years and I can't discern any difference in vigor, or fruit.
- Bill
|
And though I would prefer to rotate to lower risk of diseases, I have
very limited space that gets enough sun. So my amended sandy soil
has had tomatoes in roughly the same spot for 20 yrs.
I plant only disease resistant plants & haven't had any wilt, fungus,
or critter problems. [this year I stole some lawn far from the
'garden' to plant some Brandywines-- If I like them I'll probably
keep planting them there until trouble shows up-- then I'll find
another 8x8 spot.
We're blessed with hard winters here & that might mitigate some things
somewhat. Or maybe I'm just lucky.
Jim |
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Jim Marrs
Guest
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| Posted: Wed Sep 06, 2006 8:04 am Post subject: Re: Tomato Rotoation Time Frame |
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Count your blessings. You are both lucky and blessed. You didn't say were
you live but for the majority of us tomato growers we have continual
problems with blight and other diseases.
Have fun
JEM
"Jim Elbrecht" <elbrecht@email.com> wrote in message
news:eph3e2dntdhfkljrfe6oqilrcr8qajjqb5@4ax.com...
| Quote: | "William L. Rose" <rosefam@sonic.net> wrote:
-snip-
On the other hand, being bestowed with a profound ignorance of growing
tomatoes, I have grown tomatoes in the same spot in amended clay soil,
for eight years and I can't discern any difference in vigor, or fruit.
- Bill
And though I would prefer to rotate to lower risk of diseases, I have
very limited space that gets enough sun. So my amended sandy soil
has had tomatoes in roughly the same spot for 20 yrs.
I plant only disease resistant plants & haven't had any wilt, fungus,
or critter problems. [this year I stole some lawn far from the
'garden' to plant some Brandywines-- If I like them I'll probably
keep planting them there until trouble shows up-- then I'll find
another 8x8 spot.
We're blessed with hard winters here & that might mitigate some things
somewhat. Or maybe I'm just lucky.
Jim
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