Principles of arable crop production /
Harper, F.
Principles of arable crop production / F. Harper - London : Granada , 1983 - viii, 336 p. : ill. ; 24 cm .
Includes index
0246117419
Field crop
Crop
Principles of arable crop production / F. Harper - London : Granada , 1983 - viii, 336 p. : ill. ; 24 cm .
Includes index
0246117419
Field crop
Crop
