Experiment with Callvac 2B inoculant
On the 28th of September, at about 7:00 p.m. I launched an experiments which was meant to show the faculty of mycorrhizal fungous spawn for ericaceous plants to make a soil more acidic. Four samples of pH ranging from 6.3 to 9.15 were prepared. Even after 20 hours (29 Sept, 3:00 p.m.) pH measurement taken from the most alcaline sample was 6.3. It is also worth mentioning, that the saltiness of all the samples was about 3000 μS.
|
pH at the time of inoculation |
9.15 |
8.03 |
7.02 |
6.3 |
|
pH after 36 hours |
4.4 |
4.03 |
4.15 |
3.93 |
What is worth emphasizing is the time, in which an ericaceous spawn can make the soil appropriately acidic for a host plant. In the case of a liquid sample it was not easy, because it was subjected to 1n NaOH.
A satisfying rate of growth in a soil of pH 7,55 is possible due to mycorrhiza.
This rhododendron is also doing quite well - despite the pH 8,24.
Mycorrhizated ericaceous plants, pH 7,35
This plant also benefits from mycorrhiza.
Ericaceous plants in the conditions of increased pH (7-8)
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Last modified on:
16 April 2012