This Order amends the Nitrate Sensitive Areas (Designation) Order 1990 and applies to England only. It expresses the definition of 'economic optimum' in terms of the fertilizer's nitrogen content and changes restriction on the use of fertilizers to restrictions on the application of the amount of nitrogen is such fertilizer.
Royaume-Uni de Grande-Bretagne et d'Irlande du Nord · 1990-06-06