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Soil amendments Seems more like an Art
http://www.ext.colostate.edu/Pubs/Garden/07235.html
Wood ash, an organic amendment, is high in both pH and salt. It can magnify common Colorado soil problems and should not be used as a soil amendment. Don't add sand to clay soil -- this creates a soil structure similar to concrete. Wood Products Wood products can tie up nitrogen in the soil and cause nitrogen deficiency in plants. Microorganisms in the soil use nitrogen to break down the wood. Within a few months, the nitrogen is released and again becomes available to plants. This hazard is greatest with sawdust, because it has a greater surface area than wood chips. If you plan to apply wood chips or sawdust, you may need to apply nitrogen fe If you plan to apply wood chips or sawdust, you may need to apply nitrogen fertilizer at the same time to avoid nitrogen deficiency. .................................. http://extension.oregonstate.edu/cat...grow/soil.html Types of amendments Good organic amendments (additions) for garden soils include wood by-products such as sawdust and bark mulch, peat moss, rotted manure, grass or wheat straw, and compost. Inorganic amendments include pumice, perlite, vermiculite, and sand. .............................. I use wood chips that are about 5 years old that I walk on to break down. My garden paths are wood chip paths. Mixed with bird feeder refuse and it is black and fluffy and smells alive. Manured the place many times 30 years ago and the earth worms are rampant. BUT the moles/voles/field mice are too. Just got a volunteer mouser that looks like our deceased midnight but he is afraid of us. I don't blame it in away as I'd have it fixed in a year. -- Bill Garden in shade zone 5 S Jersey USA http://www.globalissues.org/article/75/world-military-spending http://myloc.gov/Exhibitions/voicesfromafghanistan/Pages/Default.aspx |
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