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Yellow leaves on lemon tree

I HAVE recently had to lay a concrete slab along one side of my lemon tree, which is now showing a lot of yellow leaf. I suspect the new concrete. Is there anything I can do to combat the problem?

 

IT could be the cause of the problem. However, dry conditions will also cause a lot of yellow leaf. Regular watering is necessary in summer and the concrete may be stopping water from getting to your tree's roots.

Weekend Gardener, Issue 97, 2002, Page 20

Reproduced with permission from the former Weekend Gardener magazine. The views expressed here are not necessarily those of the RNZIH.

Andrew Maloy Weekend Gardener


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