While growing in absolute size, however, folk religions, Judaism and âother religionsâ (the umbrella category considered as a whole) will not keep pace with global population growth. Each of these groups is projected to make up a smaller percentage of the worldâs population in 2050 than it did in 2010.
Cycle the grow lights on and off appropriately. You cannot maximize plant growth by simply leaving the grow lights on 24 hours each day. In fact, this is a good way to stress and kill your houseplants. Instead, aim to leave grow lights on continuously for about 14 to 16 hours each day, which simulates spring sunlight.
There are a few things to think about when purchasing a grow light. 1  Plants have photoreceptors that absorb specific wavelengths of light. 2  The light should be as close to the plant as possible without burning the leaves. 3  Most vegetables and other plants do best with 14-16 hours of sunlight or simulated light. There are a few ways you can tell if your plant is getting enough light or not. If it isnât getting enough light, it usually will have small leaves, thin stems, and the color of the plant will be lighter than usual.