The wheat plant;
Percival, John, 1863-1949.
The wheat plant; a monograph, by John Percival. - London, Duckworth and co. [1921] - x, 463 p. illus., plates. 26 cm.
Bibliography: p. 441-453.
agr22000338
Wheat.
SB191.W5 / P4
The wheat plant; a monograph, by John Percival. - London, Duckworth and co. [1921] - x, 463 p. illus., plates. 26 cm.
Bibliography: p. 441-453.
agr22000338
Wheat.
SB191.W5 / P4