Appendix C. The spatial distribution of the 2851 USDA-NRCS nonirrigated alfalfa yields across the north central and eastern United States used in Fig. 2.
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The spatial distribution of the 2851 USDA-NRCS nonirrigated alfalfa yields across the north central and eastern United States used in Fig. 2.
创建时间：
2016-08-04
