Spedding, C. R. W.
The biology of agricultural systems / C. R. W. Spedding. - London ; New York Academic Press 1975 - 261 p. il. 24 cm.
Includes bibliographies and index.
0126565503
Agricultural systems
Biology, Economic
S495 S69
The biology of agricultural systems / C. R. W. Spedding. - London ; New York Academic Press 1975 - 261 p. il. 24 cm.
Includes bibliographies and index.
0126565503
Agricultural systems
Biology, Economic
S495 S69