Root structure
It could be said that the root, or root system, has a pyramidal structure. The main tap root grows vertically down into the soil, and its secondary offshoots spread themselves throughout the substrate. In turn, these secondary roots develop small offshoots, called capillaries or simply root hairs, which are responsible for the collection and transportation of water and nutrients for the entire plant.
I alway pre drench my medium in greenhouse feeding ENHANCE before I plant my seeds.
100% success with germination since I started with this feeding routine.
And I do hope this helps anyone who struggles to get their seeds above ground.