<span class="link_user">@Med_in_Tropic</span>, https://the-greenleaf.in/media/image/502-decarboxylierungszeiten/ this is what I took for Reference, 140°C for 1 hour is way too long
<span class="link_user">@Gratefuldead</span>, the plants are planted directly in the soil, the "pot" is just to protect them from snails and to make watering easier.