Can anyone tell me what is wrong with my bottom leaves? On all four plants I have the bottom leaves are turning yellow and some of them are brown and crispy. Rest of the plant is green and healthy.
I'm new to growing (3rd grow) and I saw a video where the grower harvested the top main buds and left the lower popcorn buds to "fatten up" under the light for more weeks. Is this possible and how do I go about it? He didn't go into detail.