TY  - BOOK
AU  - Johnston,A.E.
AU  - Leigh,R.A.
TI  - Long-term experiments in agricultural and ecological sciences: proceedings of a conference to celebrate the 150th anniversary of Rothamsted Experimental Station, held at Rothamsted, 14-17 July 1993 
SN  - 0851989330
PY  - 1994///
CY  - Oxon, UK
PB  - CAB International
KW  - Agricultural experiment stations
KW  - Agriculture
KW  - Experimentation
ER  -