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RES: [compost_tea] Correction on Soil Analysis
I find this soil analysis very strange.
I don't see Ca, Mg, K, CEC, Organic Matter, Phosphate.
It is mostly micronutrients and sulphur.
The sulphate goes hand in hand with Phosphate levels.
Without knowing one I cannot recommend the other.
I consider ideal levels the following :
Zinc .............. 15 ppm
Copper ......... 5 ppm
Boron ........... 1 ppm
Manganese ... 50 ppm
Iron ............... 100 ppm
To raise by 1 ppm each mineral you will need approximately
one kilogram ( 2.2 Lbs) per hectare ( about a pound per acre)
I don't see how the iron was considered OK. It is definitely low.
The other amounts recommended will not bring mineral levels
to ideal.
Am I missing something ?
Jose
Thanks for all the emails on and off the list. I'll answer them, but
first I need to correct the Sulfur, Zinc, Iron, Copper and Boron lines.
The info for the Nutrient Balance Calculation which was given by Bruce
Tainio was scrunched under the Soil Analysis data and the word (Tainio)
was under the wrong heading. It was the Nutrient Balance Calculation
that was his. The Soil Analysis came from a Lab in Omaha. I was really
careful to line up all the information on the Soil Analysis Report and
the Nutrient Balance Calculation (Tainio), but it got garbled in the
transmission. I'll try to straighten it out. Here's how it came out on
my computer:
Sulfur 19ppm H
S 0
Zinc 1.3ppm M
Z 2.4#/acre
Manganese 10ppm M Mn
20#/acre
Iron 39ppm VH
Fe 0
Copper 0.7ppm L
Cu 2.6#/acre
Boron 0.5ppm L
B 2#/acre
Excess Lime Rate L
Soluble Salts 1:1 0.2mmhos/cm L
IT SHOULD HAVE BEEN (Hope it comes out better here):
Sulfur 19ppm H S 0
Zinc 1.3ppm M Z 2.4#/acre
Manganese 10ppm M Mn 20#/acre
Iron 39ppm VH Fe 0
Copper 0.7ppm L Cu 2.6#/acre
Boron 0.5ppm L B 2#/acre
Excess Lime Rate L
Soluble Salts 1:1 0.2mmhos/cm L
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