alternative_products    Find alternative products for all products
                        containing certain active substances
application_rate_g_per_ha
                        Calculate application rates for active
                        ingredients
l_per_ha_is_water_volume
                        Use definitions where the rate in l/ha refers
                        to the volume of the spraying solution
resolve_cultures        Resolve culture specifications to their lowest
                        hierarchical level
srppp_dm                Create a dm object from an XML version of the
                        Swiss Register of Plant Protection Products
srppp_xml_clean_product_names
                        Clean product names
srppp_xml_define_use_numbers
                        Define use identification numbers in an SRPPP
                        read in from an XML file
srppp_xml_get           Read an XML version of the Swiss Register of
                        Plant Protection Products
srppp_xml_get_ingredients
                        Get ingredients for all registered products
                        described in an XML version of the Swiss
                        Register of Plant Protection Products
srppp_xml_get_parallel_imports
                        Get Parallel Imports from an XML version of the
                        Swiss Register of Plant Protection Products
srppp_xml_get_products
                        Get Products from an XML version of the Swiss
                        Register of Plant Protection Products
srppp_xml_get_substances
                        Get substances from an XML version of the Swiss
                        Register of Plant Protection Products
srppp_xml_get_uses      Get uses ('indications') for all products
                        described in an XML version of the Swiss
                        Register of Plant Protection Products
srppp_xml_url           URL of the XML version of the Swiss Register of
                        Plant Protection Products
units_convertible_to_g_per_ha
                        Product application rate units convertible to
                        grams active substance per hectare
