Micronutrients in agriculture; proceedings
Symposium on Micronutrients in Agriculture, Alabama, Apr.20-22,1971.
Micronutrients in agriculture; proceedings - Wisconsin Soil Science of America 1972 - xviii,666p.
J.J.Mortvedt.
Mortvedt, J.J., joint ed.
631.81.095.337 1971.4.20/22 (082.2) L2
Micronutrients in agriculture; proceedings - Wisconsin Soil Science of America 1972 - xviii,666p.
J.J.Mortvedt.
Mortvedt, J.J., joint ed.
631.81.095.337 1971.4.20/22 (082.2) L2


