23 resultados para Soil fertility evaluation


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[cat;jmn]

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National Highway Traffic Safety Administration, Washington, D.C.

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Main report -- Appendix A. Literature survey -- Appendix B. Hydraulic research -- Appendix C. Geotechnical research -- Appendix D. Ohio River demonstration projects -- Appendix F. Missouri River demonstration projects (2 v.) -- Appendix F. Yazoo River Basin demonstration projects -- Appendix G. Demonstration projects on other streams, nationwide (2 v.) -- Appendix H. Evaluation of existing projects (2 v.).

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Cover title.