Warm air can hold more water vapor than cold air. Incandescent light is high in the red or orange range, but generally produces too much heat to be a valuable light source for plants. In humid regions, rain readily leaches salts out of the soil.
Favorable water relations occur during May, June, and July, a period during which range plants should be capable of growing and accumulating herbage biomass. Influence on Floods Forests, in reducing surface runoff and increasing seepage, extend the time over which precipitation reaches as streams.
I am grateful to Sheri Schneider for assistance in production of the tables and figures and for word processing this manuscript. Woody plants in the temperate zone have very sophisticated means for sensing the progression from fall to winter.
Winter injury also may occur because of desiccation drying out of plant tissues. Bareja Feb. Thus, they describe plants as short-day or long-day, depending on what conditions they flower under.
The cold temperature allows the bulbs to mature. The effect of a forest in reducing temperature Is much greater at 5 feet above ground than in the tree crowns. Conversely, unfavorable conditions can negate or diminish the full expression of genes.
Most summer flowering plants e.