Fertilizer
Q.

Available Nitrogen calculation

dhanesh.koshti added on March 30, 2016 | Answered

My garden soil test report is as below: pH 7.60 E.C. 0.52 O.C. 0.37 P 37 K 305 Zn 0.83 Fe 7.48 S 18 Mn 19.13 Cu 0.73 Mg 1.90 Ca 3.80 What is available nitrogen ppm in my soil? How to calculate from above data. Please guide. Regards Dhanesh Koshti

A.
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Downtoearthdigs
Certified GKH Gardening Expert
Answered on March 30, 2016

Here is a link that has the formulation that you need to determine available Nitrogen.
http://vlab.amrita.edu/?sub=2&brch=294&sim=1551&cnt=1

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm

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