Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Higgs, Roger L."'
Autor:
Baldock, Jon O., Higgs, Roger L., Paulson, William H., Jackobs, Joseph A., Shrader, William D.
Publikováno v:
Agronomy Journal; September 1981, Vol. 73 Issue: 5 p885-890, 6p
Autor:
Swan, James B., Higgs, Roger L., Bailey, Theodore B., Wollenhaupt, Nyle C., Paulson, William H., Peterson, Arthur E.
Publikováno v:
Agronomy Journal; July 1994, Vol. 86 Issue: 4 p711-718, 8p
Publikováno v:
Journal of Soil & Water Conservation. Jan/Feb1990, Vol. 45 Issue 1, p68. 0p.