Re: crops that drain the soil?

Posted by James2 on October 05, 2005 at 20:18:46 from (207.179.239.30):

In Reply to: Re: crops that drain the soil? posted by paul on October 05, 2005 at 19:16:57:

Paul, not trying to be too disagreeable, but consider if the farmer conservatively removes 5 ton alfalfa/acre each year. That would be 20 tons in 4 years. I don't know how many tons of roots are below, but 20 tons is not a small amount of organic matter. Corn also has roots, and I believe I read somewhere that 1/3 of corn's organic matter is roots below the ground. Let's consider if he just takes the corn as grain, and assume 150 bu/acre and 56 lbs/bu. As you know this number is a lot smaller, and tests have shown organic matter slowly increases with continuous corn. On the other hand, corn silage I believe yields is at least 8 tons/acre, and as you said organic matter would suffer. A big question I have not asked is, is how many acres does he have? If it's only 5 or 6 acres than I would be glad that the farmer is taking care of it, and forget the whole issue. Although receiving enough rent to cover taxes would be a nice gesture.

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• Re: crops that drain the soil? paul 21:21:12 10/05/05 (0)

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