Browsing by Author "Sumner, M.E."
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Item The Diagnosis and Recommendation Integrated System (DRIS)(1982-12) Sumner, M.E.The Diagnosis and Recommendation Integrated System (DRIS) 1s discussed 1n terms of making diagnoses of nutrient requirements of crops based on both soil and tissue analyses. Details of how norms are developed and tested are presented together with examples of diagnoses.Item Interactions of Azospirillum with Roots(2007) Sumner, M.E.