In the USA any agricultural chemical has to receive approval of the Department of Agriculture (USDA) for the purpose for which it is intended. Such purpose must be defined and limited by the wording of an agreed label. Found on http://www.encyclo.co.uk/visitor-contributions.php
In the USA any agricultural chemical has to receive approval of the Department of Agriculture (USDA) for the purpose for which it is intended. Such purpose must be defined and limited by the wording of an agreed label.