TY  - GEN
AU  - Beinempaka, A. B. [et al...]
TI  - Principles and practices of agriculture Volume 1 : : general agriculture, soils and crops 
SN  - 0333458834
U1  - 630  
PY  - 1989///
CY  - London : 
PB  - Macmillan
KW  - Agriculture - study and teaching
N1  - Includes bibliographical references and index
ER  -