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Hey you math buffs

Square Foot Gardening List - http://myweb.flinet.com/~gallus/sqft.html

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I'm going to give it a try, I'm probably going to use just one planter
though with 12 plants, I was thinking maybe I ought to start all the center
seeds about a week before the outer seeds because of shading issues. I have
had good pollination using his old method of 1-sq so 12 in that small of an
area should do ok. Thanks for all that precise info.

Charlie

-----Original Message-----
From: JC Dill [g*@vo.cnchost.com]
Sent: Wednesday, April 18, 2001 6:48 PM
To: Square Foot Gardening List
Subject: Re: Hey you math buffs


Square Foot Gardening List - http://myweb.flinet.com/~gallus/sqft.html

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On 07:27 AM 4/18/01, Charlie.. wrote:

 >Using Mel's revised corn planting method (4-sqft) how many corn plants do
 >you think I could grow in one those 1/2 barrel planters which I think is
 >about 24 inches or so in diameter?.

Area = Pi * r^2

Diameter is 24 inches, radius is 1/2 of the diameter, so the radius is ~12
inches.
r^2 = r*r = 12*12 = 144 inches
Pi is ~3.14
Area = 3.14*144 = 452.16 square inches in a 24 inch pot (more or less).

When planting 4 per square, each plant gets 6x6 inches, or 36 square inches.

452.16/36 = 12.56 plants at one plant per 36 square inches.

So you can get ~12-13 corn plants in a 24 inch barrel.  Assuming you can
place the seeds such that each plant gets its fair amount of soil, and
assuming you keep it well watered so that plants on the edge don't dry out.

Now, laying out the seeds is another matter!  Draw dividing lines across
the pot to make 4 quarter sections, and then divide each section into 3
parts of equal area (one in the center, 2 along the edges.  This will take
some eye-balling and estimating.  Then plant a seed in the center of each
section, so that all seeds are at least 4 inches from any other seed
(ideally 6 inches from the next nearest seed, but we are dealing with an
odd shape here).  This will give you 12 plants.  For good pollination, I'd
put at least 3 pots butted up against each other (placed in a triangle) so
that you have 36 plants total. in one area and they can pollinate each
other better that way.

jc


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