The plant variety testing and seed certification systems in the United Kingdom : a report to the Minister of Agriculture, Fisheries and Food, and the Secretaries of State for Northern Ireland, Scotland and Wales /
Great Britain.Ministry of Agriculture, Fisheries and Food.
Great Britain.Scottish Office.
Great Britain.Northern Ireland Office.
Great Britain.Welsh Office.
[London] : [Ministry of Agriculture, Fisheries and Food],
1988.
Plants, Cultivated
Seeds