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Werner L. Nelson

3 books found

Cover of Research with a Mission

Research with a Mission

Werner L. Nelson · First published 2015

Cover of Soil fertility and fertilizers

Soil fertility and fertilizers

John Havlin, John L. Havlin, Samuel L. Tisdale, Werner L. Nelson, James D. Beaton · First published 1956 · Latest edition 2014

Cover of Soil Fertility and Fertilizers

Soil Fertility and Fertilizers

Tisdale, Samuel L., Nelson, Werner Lind · First published 1966