Does Rock Dust or Biochar change the pH of soil?
Real Percent Difference Analysis RPD for comparing results.
Does Biochar need to be Charged with active compost before application?
Is there a difference in the essential and beneficial elements pre and post season.
Is there a chance in the micro nutrients over the course of a season?
Does Biochar improve the retention of micro nutrients?
Does Rock Dust improve the retention of micro nutrients?
Lab Results
Pre Season 2015 Results:
http://www.albertaurbangarden.ca/wp-content/uploads/2015/11/151120_AlbertaUrbanGardenCertificateofAnalysisRevisedReport3.pdf
Post Season 2015 Results:
http://www.albertaurbangarden.ca/wp-content/uploads/2015/11/151120_AlbertaUrbanGardenCertificateofAnalysisRevisedReport4.pdf
Biochar and Rock Dust Raw Data Results:
http://www.albertaurbangarden.ca/wp-content/uploads/2015/11/151120_AlbertaUrbanGardenCertificateofAnalysisRevisedReport.pdf
2014 Post Season Results:
http://www.albertaurbangarden.ca/wp-content/uploads/2015/11/151120_AlbertaUrbanGardenCertificateofAnalysisRevisedReport2.pdf
This is part Two of Three in this year’s Home Garden Field Trials Results videos putting charged Biochar and Rock Dust to the test. Today I am going to look at the soil results to see if they support the main claim of each product that through different mechanisms Rock Dust and Biochar increase the nutrient content in the soil.
The trials were set up so the only difference between the beds was the application of Rock Dust in one bed and charged Biochar in another with the third having no products added so it can act as a control. By having the only difference between the beds being the product any differences can be attributed to the product when compared against the control.
If you would like a more detailed description of how we set up the trials I highly recommend watching Part 1 of the 2015 results as it gives more context to the results I will present today. [1]
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