TY  - BOOK
AU  - Jenkinson, D. S. (David S.)
AU  - Smith, Keith A.
TI  - Nitrogen efficiency in agricultural soils
SN  - 1851662405
AV  - S651 .N57 1988
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 bibliographical references
ER  -