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Appendices

Appendix A: Supplementary results: cash and cover crop productivity and nitrogen content in four organic feed grain and cropping systems in central Pennsylvania.
Ecological Archives A025-137-A1.

Appendix B: Supplementary results: fortnightly soil inorganic nitrogen as nitrate and ammonium concentration measured in four organic feed grain and cropping systems in central Pennsylvania.
Ecological Archives A025-137-A2.

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