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presley wrote:
Warren, you're not as informed as you think you are. http://landresources.montana.edu/LRE...stry_Web.pd f According to the site above, from University of Montana, the composition of rainfall is nearly identical to seawater with some additional molecules picked up in the atmosphere. Furthermore, rainfall is NEVER simple H20 - because it also picks up many gases that are present in the atmosphere and transports them. However, more pertinent to the ongoing argument is the fact that strong winds (as in hurricane or near-hurricane force winds) which Scotland is subject to every year,send salt spray MILES inland - not a few feet, or even a few hundred feet. This can be verified in any google search. I think that the issue has been clouded by all this talk about what hits the leaves of the plants. It is clear that the initial post had to do with what happened at the ROOTS of the plants in question. It is VERY evident that rhododendrons cannot have their roots soaked in salt water that sits on them. Constant movement of water through the root zone will wash the salts through them or out of them - but it has to be water that is relatively low in salts, and the plants have to have excellent drainage. A plant sitting in a low spot with salt water swirling around its base is a goner - no question. A plant on a hillside hit with a strong blast of very salty water but subsequently flushed with plenty of water that moves through and out of the root zone will probably be fine. Janet is not claiming that Scottish rhododendrons are living in salt marshes. What she IS claiming is that they live in rather close proximity to the sea in rather salty environments in Scotland - albeit in regions of very high rainfall. A plant sitting in a low spot with distilled water swirling around its base is a gonner. -- Travis in Shoreline (just North of Seattle) Washington USDA Zone 8 Sunset Zone 5 |
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