[CH] Chem Question
Byron Bromley (Byron.Bromley@gsd-co.com)
Wed, 17 May 2000 21:13:49 -0400
OK here are some questions for the chemist.
The following is a listing of what is in dairy cow flop in NM. Per NMSU.
Parameter Dairy cow
pH 8.7
EC (mmhos/cm) 15.9
Total kjeldahl nitrogen (%) 1.74
Nitrate nitrogen (ppm) 87.4
Phosphorous (%) .45
Potassium (%) 1.51
Calcium (%) 1.81
Sodium (%) .24
Magnesium (%) .43
Iron (ppm) 2197
Zinc (ppm) 149
Manganese (ppm) 196
Copper (ppm) 28
Boron (ppm) 28
Aluminum (ppm) 1216
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Question #1
What is kjeldahl Nitrogen ?
Question #2
what is EC (mmhos/cm) ?
Question #3
At what level does Aluminum and sodium cause problems?
Question #4
How does one compare the "Commercial" fertilizers like 5-1-1, 5-10-10 or
15-35-15 to this type of numbering sysytem.
Just trying to learn something to new to grow better chiles
Byron