The Tropical Fruit Forum
Citrus => Citrus General Discussion => Topic started by: loneroc1 on February 27, 2020, 04:55:13 PM
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Howdy all!
Can anyone tell me if biuret damages all parts of citrus trees, or just the leaves?
I have a lifetime supply of a generic 30-10-10 soluble acidifying fertilizer à la Miracid. I don't know its sources of nitrogen but I've used it on citrus roots many times without obvious damage. What type of nitrogen did acid fertilizer contain 25 years ago? That's when I picked up 200 one pound packages of the stuff. I transferred them to 5 gallon buckets and don't have the original label. It was a great deal. Through a weird combination of a sale and rebate the store paid me a buck and a half for each box I "bought". Needless to say I took all they had and made $300 in the process. I still have about 50 pounds. Which should last me a while. Thanks! Steve H
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Biuret damages only the trees leaves. A portions of the leave loses its chlorophyll, thus photosynthesis is reduced. Without a label I have no idea what type of N your fertilizer has.
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Thanks! I won't worry then and will keep using it for ground application. Steve H.
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I can't find my original post from the old forum, but I investigated this once. I contacted Scotts, which owns Miracid/MicracleGrow. The biuret content of this product is a bit over the recommended tolerance for citrus, I forget the exact details though.