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Thu, Mar 29, 12 at 10:54
| I read at two different extension sites that the desired rate to apply composted manure is 250 lbs per 1000 sq ft. They stated anymore and too much salt is added. Do you agree, and if not, what do you think is a desired rate to apply composted manure? |
Follow-Up Postings:
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- Posted by toxcrusadr (My Page) on Thu, Mar 29, 12 at 12:59
| It's really going to depend on what kind of soil you have, what your soil chemistry is, and what else you've added. That seems like a low rate to me. If you figure a half cu ft bag of composted manure is about 40 lb, then that rate is about 3.125 cu ft per 1000 sq ft., which works out to a less than 1/8" thick. This seems like a very low application rate for any compost, salt or not. I know people are adding way more than that to their gardens without ill effects. |
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| Concerning salts......Perhaps we are talking about the usual mineral salts [good, bad, and indifferent] OR perhaps we are talking about NACL. Beef manure has a lot more NACL than horse manure. Some sodium is necessary in soil, but it can build up in arid areas and cause alkailinity...not good. |
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| I have planted in a pig pen, that was a little soil, but 75% to 90% composted manure & table scrapes. I was young & it was in ancient times before the internet. I did not know it would hurt the plants. It was some of the best tomato harvest I have had in 40 years. A co-worker dumped a truck load of rotten coffee grounds & chaff in a pile & planted tomatoes in it. He had stakes over 6 feet tall, with tomato vine growing even higher. So I am not sure you can put to much home grown finished compost in the garden. |
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| How much manure to add to your soil depends on what that soil needs, the type of soil you have, the type of animal manure you are spreading, and should include how much organic matter that soil contains. Sandy soils can take in more manure then clay although the nutrients from the manure will flow out of sandy soils faster. You would need less poultry manure (higher levels of nitrogen) then cattle manure. Adequate levels of organic matter in your soil will help retain the nutrients in the manure better then thye wouild be in soils lacking adequate levels of OM. |
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