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Plant nutrient requirements
1
vote
Ash as a fertilizer?
"Wood ash is a source of potassium(K). But it (K) is easily washed away by water so if it has rained after the fire went out the potassium is gone." - a local gardening book in Bulgarian
"Wood ash is …
1
vote
0
answers
32
views
How much nutrients does over-watering remove?
I've encountered the following statement(no source but multiple times):
When excess water drains off a container, it removes nutrients from the soil.
Is that true? …