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I regularly renew the ground cover bark compost in my decorative plant
beds -- and even around the base of the new fruit trees -- partly for
water conservation, but mostly for appearance.
I have heard, as you suggest, that the act of decomposing removes
nutrients, but have not looked deeply into the concept. Have there
been any reliable studies that quantify this effect? And as a
corollary, suggest how much more nutrients have to be added?
TIA
HB
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TIA, that's exactly why a "bomb" exploded in other forum (Spanish one) about gardening. Innocent of me I suggest that pine bark can be used as any other organic remain to improve the soil. Now, thanks to the kind explanations from all of you I know thats not that simple. Everybody here is so gentile, thank you all!
Anyway, an awfull and very controversial discussion starts in that forum from this single topic in the "Vegetables in potts" that in castillian we call "Macetohuerto". Yes, experience and the knowledgement of people its the most important source of garden tips, but in that case the "gurús" wanted to put me against a wall and shoot at me just because I ask the same as you: "Where's the cientific basis for all this chemical dispute?"
I would liked to keep you informed aboud the discussion progress, but the censorship close the discussion and erased multiple angry posts abuot it. Now its a taboo topic in there.
See u guys!