Appendix A. Supplementary results: cash and cover crop productivity and nitrogen content in four organic feed grain and cropping systems in central Pennsylvania.
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https://figshare.com/articles/dataset/Appendix_A_Supplementary_results_cash_and_cover_crop_productivity_and_nitrogen_content_in_four_organic_feed_grain_and_cropping_systems_in_central_Pennsylvania_/3521447
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Supplementary results: cash and cover crop productivity and nitrogen content in four organic feed grain and cropping systems in central Pennsylvania.
创建时间：
2016-08-04
