Deficiency or salt/fertilizer burn

Mango    Tunisia

Could you please help me with your guesses. As you can tell, the brown spots start from the older leaves and gradually affect the newer growth. I have been fertilizing quite heavily recently but NOT in Magnesium/Sulfur or micros.

My soil is 8.4pH 90% calcareous, leaching sand.


Posted by: Ben (1 point) Ben
Posted: October 1, 2021

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