Posts Tagged ‘cannabis diseases and deficiencies’

Magnesium Deficiency in Cannabis Magnesium Deficiency What to Look For in Cannabis… -Notice the slight yellowing of the older (lower) leaves. -The veins will remain green the yellowing will occur between the veins (inter-veinal) -In cannabis there can also be some stippling (brown spots) on leaves that may or may not yellow. -Mg deficiency tends…