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Published: 2011-07-20

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Rudy Poglitsh, Former intern working in Swaziland, sent in a question about health of Avocado trees. The problem seemed to be low pH. "We have about 18 avocado trees in the ground. Almost all of them are over five feet tall. The soil is very poor, and the leaves are a pale green/yellow. We are headed into the cold, dry season. I want them to survive and thrive. We have previously made a fertility hole and put fertilizer in it, but my wife Ruth explained I put it too close to the tree (inside the drip line). What can I do? I really want these trees to live a long time and put out lots of fruit.”