Ok, but I’m not a industrial grower… and grow in a 4x2..
The Best Ways to Train Cannabis Plants
Mainlines and manifolds allow plants to grow horizontally and create an even canopy. However, they are not the only ways to train cannabis plants to grow horizontally or otherwise fill the canopy. Many growers use a “screen of green” (Scrog) to train their plants to be low and wide. A very different alternative is to grow a lot of small plants in what is known as a “sea of green” (SOG). These are both appropriate plant training or management strategies in different situations. However, for most growers, I believe that mainlines and manifolds are the best ways to train cannabis plants.
Mainlines and Manifolds Vs. A Screen of Green (Scrog)
A “Scrog” uses a screen that growers lay over the plants. As the plants grow up and through the screen the grower bends them back down and uses the screen to restrain them. In this fashion, a plant can be trained to grow out horizontally to cover a large area.
Scrogging helps to spread the plant out, however, it can limit the canopy depth. In a scrog, the plant is held at the height of the screen as it spreads out. In contrast, mainlines and manifolds grow up and out at the same time. This produces a broad even canopy with good depth to each cola. A canopy full of tall dense colas is the best way to maximize the quality and the quantity of the harvest.