Micronutrients in agriculture /sponsored by the Tenessee Valley Authority and The Soil Science Society of America; Alabama, 20-22 April 1971; edited by J.J.Mortvedt, P.M. Giordano, W.L.Lindsay - Madison Soil Science Society of America 1972 - xix, 666 pages

Includes index.

116021

581.2133 / SYM