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Is Potassium not assimilated by plants ?
Elaine T wrote:
Philippe Lemaire (remove oldies) wrote: Then, it is merely a catalyst being in higher and higher concentration, depending on water changes !? Could anyone discuss this subject ? The only K I add comes from TMG and little KH2PO4. Nitrates come from Ca(NO3)2 and Mg(NO3)2... P and N are stable from week to week but K is raising. Thanks in advance ! Philippe K is most certainly assimilated by plants. Perhaps your tapwater is relatively high in K and the additional K from the TMG is too high of a dose. Thanks to both ! My tap water should be 0.64 mg/l I add with KH2PO4 about 3 mg/l per week I change 1/7 of the water every week My current concentration is about 55 mg/l If K+ is assimilated by plants, is it the first ion to leave when leaves decompose ? Thanks again ! Philippe |
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