As I understand it, plants have a major impact on helping to create rain, as your articles show Michaelangelica. Microbes, bits of organic matter like waste, dust, or debris, viruses, etc. all can be blown up into the air acting as condensation nuclei for water vapour. These are microbes living in, on, and around (or under in the soil) plants. If the plants die, the microbes usually die back and disappear too. And of course plants do move water around places like pumps, from subsoils or deep in the ground to the surface or higher, through the processes of transpiration and evaporation. They are critical for this, as this article on plant roots shows:
Root - Wikipedia, the free encyclopedia
Just look at how deep, how expansive, how complete some of those root systems are. Trees, shrubs and bushes, and certain deep-rooted plants act as "bridges" or "conduits" between many different layers and worlds, moving water, minerals, and elements between them. Also, in plant biomass water is stored and conserved, when it might otherwise evaporate quickly, be lost through fast drainage or flooding, etc. All of these tendencies directly and indirectly, IMO, create positive feedback loops for the production of rain and other precipitation.
More stuff on microbe contributions to rain making:
Breakthrough Research On Ocean Algae Could Lead To Freeze- And Drought-Resistant Crops
Evidence Of 'Rain-making' Bacteria Discovered In Atmosphere And Snow
Potential Sources Of 'Rain-Making' Bacteria In The Atmosphere Identified
Pseudomonas syringae - Wikipedia, the free encyclopedia
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