Answer:
1. False. While it is beneficial for the growing medium to provide some of the benefits that a plant would receive from being in the ground, it is not necessary to replicate all of them.
2. True. The biggest issue with dark containers is that fine root hairs will overheat and burn from direct sunlight.
3. False. The more densely packed the growing media, the more benefits the roots receive.
4. True. Containers make it easier to remove weeds and maintain nutrient requirements for plants.
5. False. Roots need growing media that dries out as quickly as possible.
Further explanation of key concepts:
What is a growing medium?
A growing medium is a material that is used to provide support and nutrients for plants. It can be made from a variety of materials, including soil, sand, perlite, coco coir, and peat moss.