De pH-waarde bij het kweken van biologische wiet
De bodembacteriën breken organisch materiaal namelijk af, en produceren zo voeding voor de wortels. De juiste zuurtegraad voor het bodemleven. De ... |
Updates & Legacy — Stigmabase is a Canadian Non-Governmental & Nonprofit Initiative. Our mission is to inform about stigma around the world and make the data collected accessible for researchers. Stigmabase is very attentive to misinformation and lists only reliable sources.. — The marginalization of individuals or categories of individuals is a too common phenomenon. Millions of people are facing this problem around the world and many complex factors are involved.