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Utah

The Checkon's had two patches - one grew the 1131 and
the other grew the 1190 which split beore the weigh off.

IAS Laboratory Penn State
in PPM in lbs./acre
1131 1190 1131 1190
N 26.6 64.2 - -
P 62.0 202.0 509 1907
K 130 240 365 955
Ca 1800 2000 5880 6580
Mg 310 290 1003 1026
Fe 84 170
Zn 12 37
Mn 15 35
Cu 7.4 4.6
S 28 35
B .41 .55
Ph 7.1 6.1 7.3 6.0

3/14/2002 10:25:49 AM

Utah

lets see if this is more read able

IAS Laboratory_____________ Penn State in
in PPM_____________________ lbs./acre

_____1131_____1190___________1131_____1190
N____26.6_____64.2___________----_____-----
P____62.0_____202.0___________509_____1907
K_____130_____240_____________365_____955
Ca___1800 ___2000____________5880_____6580
Mg____310_____290____________1003_____1026
Fe____84_____170
Zn____12_____37
Mn____15_____35
Cu___7.4_____4.6
S____28_____35
B___.41_____55
Ph____7.1 _____6.1___________7.3 _____6.0

3/14/2002 10:34:11 AM

Cornwall UK.(50N 5W)300ft.

To convert ppm into lbs/acre you multiply by 2.
I asked my 977 Anderson question because my soil test came back roughly similar to the soil that grew that pumpkin.I'm trying to tweak it so that it's very similar.
The San Francisco 1997 weather is online as well.
It doesn't seem like such a shot in the dark now.

This is Chris Andersons result
o.m.8.2%N65,P142,K614,Mg500,Ca6971(ppm)pH.7.O
Thanks Andy Wolf.

3/14/2002 11:03:49 AM

Western NY

you can multiply by 2 for some elemental conversions, but not all of them. The 2 is based on an estimated dry weight of 2 million pounds per acre of soil at a tilling depth of 6.5-7 inches. however, with newer deep plowing practices, (around 10"), there is closer to 3 million pounds per acre. this is why i think thay soil test results that come back in ppm are probably more accurate for our use(depending on how they calculate them, of course).

Andy Wolf

3/14/2002 7:48:21 PM

Cornwall UK.(50N 5W)300ft.

Thats a good point fertiliser recommendation table rates appear to be for 6-7ins of soil.That would mean that if you were digging 12ins deep you could put on twice as much.
Is that correct?

3/15/2002 1:21:16 AM

Western NY

yes, you could add more (as we usually do), assuming that you mix in that porportional amount for the whole depth. If you don't mix it in good, you might end up with too much on top, and not enough at the bottom.

Andy

3/15/2002 5:09:44 PM

Cornwall UK.(50N 5W)300ft.

Maybe both the recommended levels and the people who say use more are both right,By the time you allow for extra depth and planting holes on top of that they probably aren't so far apart.

3/15/2002 7:43:24 PM