Water and then fertilize is a common professional horticulture practice because it can be far more efficient and controlled use of fertilizer on a large scale where cost matters. Either works if done correctly.
The best advice for any beginner is to pick a good fertilizer and use it consistently but very lightly.
Then, until you have perfected nearly everything else you do for your orchids it will never be the limiting factor in your success. Study other things first. Most who take it very seriously are deluding themselves unless they are using hydroponic methods, and you will see completely incompatible methods fiercely advocated.
Every plant gets wet leaves in nature. It all depends on how and when.
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