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Yellow leaves on azaleas may not be a sign of disease. Sometimes, older leaves just drop.
This yellowing of leaves is sometimes confused with a nutrient deficiency disease called iron chlorosis, especially in the ...
Scientists make astonishing discovery about how trees have memories — here's the one that helps them survive
Drought is bad news, but, in a surprising twist, a team of researchers discovered that drier times prepare young trees for ...
Q&A: Why 'leaky' plants could accelerate climate change
Plants play a key role in regulating Earth's climate, but recent research suggests that rising temperatures could disrupt ...