Multiple cropping systems /
[editor], Charles A. Francis.
- New York : Macmillan, c1986.
- xiv, 383 p. : ill.
0029486106
Multiple cropping.
S603.7 / .M85 1986
631.5/8�19
0029486106
Multiple cropping.
S603.7 / .M85 1986
631.5/8�19