It is well known that for a plant to grow generally air, water and sunlight are needed apart from the soil minerals. The photosynthesis process is dependent on absorption of sunlight. Root of a plant absorb water. Color of water has effect on color of leaf of some plants. As the color of plant leaf gets change the amount of absorbed sunlight may also get change. Apparently, energy deposited in the plant may vary with plant/leaf color. Black color may absorb more energy. Whether such variation of energy absorption will affect growth rate of the plant? Plants growing in mud or black soil seem to be having rapid growth. If we irrigate crops with color water what will be the effect on its growth rate? Whether this will increase productivity? With regards.- SOHAIL AHMAD KHAN
Good morning,
That's right, water color affects the color of the leaves and flowers. However, we are adding dyes which cause. So to put it simply, we must know the substances that will cause discoloration of water. This is a bit different than the use of different colored mulch film, or the lighting of different colors. And the question is difficult. Because I have not met in the literature about the effects of water color on the growth rate of plants.
Physics 101: water is a colorless substance unless you add a coloring chemical, which will firstly likely to kill the plant if not inhibit growth. Some fertilizers added to fertigation water might modify water color or turbidity very very slightly but the effect on growth is not that of color. If you think that you see an effect of the color of water, analyze the water for its dissolved chemicals.
Thanks a lot for the observations posted by all of you. Actually, I wanted to know effect of quantity of sunlight absorbed (with only color change of leaf) on photosynthesis process causing increase in accumulation of carbon content in the plant (from the carbon dioxide in air and soil) thus increase in plant growth rate. Regards, Sohail
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