肥料鹽 were probably accumulated before you got the plants, difficult to be removed and sometimes burnt the leaves already. Better try doing this again more comprehensively and try rubbing leaf surface gently, we can still observe a lot of dust and peats on leaf surface. ...
肥料鹽 were probably accumulated before you got the plants, difficult to be removed and sometimes burnt the leaves already. Better try doing this again more comprehensively and try rubbing leaf surf ...
哦 ...... thankyou Kendrew and George, very informative