Maybe because it’s winter or maybe because it needs more sunlight, but this blueberry bush looks sick. The leaves are yellowing while the veins are still green. I read that it might be iron deficiency (chlorosis). Iron is much more available at a lower soil pH - the recommended soil pH of 4.2 to 5.2. I added some sulfur, but not too much since I also read that manganese toxicity can occur when soil pH is too low or too much acidifying material has been used. Symptoms are similar to those of iron deficiency. I think it’s time to use the pH test kit to be more accurate.
Monday, June 21, 2010
Blueberry bush
Maybe because it’s winter or maybe because it needs more sunlight, but this blueberry bush looks sick. The leaves are yellowing while the veins are still green. I read that it might be iron deficiency (chlorosis). Iron is much more available at a lower soil pH - the recommended soil pH of 4.2 to 5.2. I added some sulfur, but not too much since I also read that manganese toxicity can occur when soil pH is too low or too much acidifying material has been used. Symptoms are similar to those of iron deficiency. I think it’s time to use the pH test kit to be more accurate.
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