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- #311
- as they decompose, wood chips can “lock up” nitrogen for a while to aid their decomposition.
Well, I partially agree. Wood chips, used as mulch, will lock up nitrogen where the chips meet the soil, but it does not lock up nitrogen for the roots of the plants already growing. That is why wood chips make excellent top mulch. If you till wood chips into your soil, then you might have a problem. Having said that, I have watched some YouTube videos where people were tilling in wood chips because their soil was so bad and just needed needed more organic matter before anything would grow well.
I live on a lake, and my soil was mostly sand. I tilled in grass clippings and leaves into the garden for a number of years before I started to see some signs of life in the soil - worms and bugs - and the soil turned from a light brown to a dark rich black. I never had wood chips back then, but I think I till them in the fall, along with grass clippings and leaves, and not worry too much come spring planting.
Of course, now with my chicken run compost, I harvest the finished compost out of the chicken run and can mix, till, cultivate that directly into my garden beds. Like others have commented, I think the paper shreds will decompose much faster than the wood chips and I should see that turned into finished compost much faster.