Testing the ready compost

This is absolutely essential standard test for any ready compost. I need it to prove to myself, that worm compost is really helping plants to grow.
I found this test in Midscale Composting Manual from Olds Colledge, Alberta, Canada.
Page 15 :
...
Compost is mature when two of the four tests are met.
1. Two of the following three tests shall be met:
a. C:N< 25:1
b. Oxygen uptake < 150mg O2/kg organic matter (volatile
solids)/hour.
c. The germination of cress (Lepidium sativum) and /or radish
(Raphanus sativus) seeds in the compost:
* Test seed germination shall be > 90% of control seed
germination.
* Test growth rate shall be > 50% of control growth rate.
...
The compost is taken from an outdoor pile, full of worms. The compost is cured for, at least, 6 months. It seems like condition b. is satisfied. Let's wait and c...


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