the process of preparing the soil mixture from biohumus, vermiculite and agroperlite for growing vegetables and plants. soil

additives agricultural agriculture agroperlite bed bio biohumus black bowl bowls california composition compost container day dig environment farming fertile fertilizer garden gardening granules growing humic humus improver improvers ingredient manure mineral mixing mixture natural nutrients organic original perlite plant planting plants preparation prepare preparing process season seeds shovel soil spring sunny tools vegetable vegetables vermicompost vermiculite worms