A slow down in pearling rates (growth) if the rest of the nutrients like K, NO3, Trace mix and GH(Ca/Mg) are non-limiting. Symptoms on plants vary imo and is not a good method to detect deficiencies. The good about EI is that it bypass that and concentrate on only one variable and the biggest one for plants...carbon aka CO2.Originally Posted by Gan CW
Regards
Peter Gwee
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