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.
Thanks!
Advanced stage
Now it's affecting the latest growth and that's the very early stage.
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