| Lucky is 100% correct on all counts. Any organic material causes a slight lowering of pH, but only initially. You could never hope for a dramatic pH change from just adding wood chips. Also, when wood chips are used as mulch, the decomposition is so slow, just at the interface of soil and mulch, that no temporary nitrogen tie-up occurs. Temporary nitrogen tie-up will occur only if the wood chips are mixed into the soil. Lee Reich, PhD Books by Lee Reich: The Pruning Book Weedless Gardening Uncommon Fruits for Every Garden A Northeast Gardener's Year On Nov 14, 2007, at 1:26 PM, Lucky Pittman wrote: Jerry, |
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