Grassland improvement /
Semple, Arthur T. (Arthur Truman, 1895-
Grassland improvement / by A. T. Semple. - London : Leonard Hill, 1970. - xxii, 400 p., 72 plates - Plant science monographs .
0249441128
Pastures.
Grasslands.
Grassland improvement / by A. T. Semple. - London : Leonard Hill, 1970. - xxii, 400 p., 72 plates - Plant science monographs .
0249441128
Pastures.
Grasslands.