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Nitrifying bacteria

  • 1 book
Cover of Nitrogen Bacteria and Legumes: With special reference to red clover, cowpeas, soy beans, alfalfa, and sweet clover, on Illinois soils

Nitrogen Bacteria and Legumes: With special reference to red clover, cowpeas, soy beans, alfalfa, and sweet clover, on Illinois soils

Cyril G. (Cyril George) Hopkins