Research techniques in crops   - Los Baños, Laguna :  Philippine Council for Agriculture and Resources Research and Development.  1985.  - xv, 512 pages :  illustrations ;  23 cm  - Book series  35/1985 .<br/><br/><label>Subjects--Topical Terms: </label><br/>Crops--Research<br/><br/><label>LC Class. No.: </label>SB 52.P6  / R3116 1985