TY  - BOOK
AU  - Jenkinson,D.S.
TI  - Nitrogen efficiency in agricultural soil
SN  - 1851662405
PY  - 1988///
CY  - London
PB  - Elsevier Applied Science
KW  -  Nitrogen fertilizers
KW  - Congresses
KW  -  Soils
KW  - Nitrogen content
KW  -  Plants, Effects of nitrogen on
KW  -  Crops
KW  - Nutrition
N1  - Includes bibliographies
ER  -