sorry to all 1st. cos i need to ask a repeated question been discussed before.my seach engine seems down till now so cant seach. i manually browse till page 100 cannot tahan any more....
? = if i dose K2SO4 for K in excess of the recommended 20 ppm? if i recalled correctly, Mg and Ca will be in demand, m i correct?

2nd ? = why a leaf die? taking water parameter/fert etc...to be ideal. will the leaf still die when it fulfill
its role?