This looks like a physiological stress based on the pattern of the leaves (yellow between veins) and the more pronounced symptoms on the lower leaves. Can you please examine low and higher leaves. Is it more common on higher leaves?
Also, a close up image of leaves
What did you plant before this? Where exactly are you (GPS coordinates). We can look in the soil map
Have you ever had the soil tested?
Posted
by: David Hughes
(66 points)
Posted: March 9, 2019
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