TY  - BOOK
TI  - Crop productivity
SN  - 0750605626
U1  - Ref 630 B52c 1994 
PY  - 1994///
CY  - Oxford
PB  - Butterworth-Heinemann
KW  - Crop production
N1  - The measurement of growth, yield and productivity / N. J. W. Clipson– 
Internal factors affecting the primary productivity of plants / C. K. Leach – 
External factor affecting crop productivity: the physical environment / N. W. W. Clipson – 
Factors affecting crop productivity: the biotic environment - N. J. W. Clipson and S. J. Edwards – 
Greenhouse and growth rooms / J. F. Hall – 
Hydroponic vegetable production - G. D. Weston – 
Diversity of plant secondary products / F. W. Rayns – 
Factors affecting secondary product yield / F. W. Rayns
N2  - "This text provides a link between understanding the physiology of plants and the development of sound objectives for the application of biotechnology to the production of crops."
ER  -