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| You lost per dry ton of cornstalk harvested, 5# of Ca, 1.8# of P, 10# of K. The amount of nitrogen lost can range from 2# per ton to 30# per ton depending upon how good the farmer was in managing it. Regardless, the effective loss of nitrogen will be 1 # at most because almost all of the above ground stalk nitrogen will be volatized during the decay process. If you have 180 bpa corn, there will typically be 5 dry tons of above ground cornstalks and it is unlikely that he harvested more than 3 dry tons per acre. Your OM loss was essentially zero as the OM that counts is below ground (another 5 dry tons per acre). No lab in the contry can measure your loss in a soil test so don't worry about it.
Unless the land owner retained ownership to the biomass or constrained the lease to corn grain, the land operator owns the grain and the biomass. | |
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Land rent problem.
