1 RV insurance premiums vary significantly; get quotes before buying a specific trailer. 2  Annual state registration fees can be $10-$50 for a simple tent trailer, to $1,000-$3,500 or more for a Class A motorhome. 3  Renting an RV storage space can cost $20-$100 a month outdoors and $45-$450 a month indoors.
Nitrate vulnerable zones (NVZs) are areas designated as impacted, or at risk of impacts, by agricultural nitrates applied as fertilisers to boost crop yields.In the past, the process of designating an area as a NVZ has been perceived to be reliant on a limited amount of data and lacking in transparency.itrate vulnerable zones (NVZs) are areas designated as impacted, or at risk of impacts, by agricultural nitrates applied as fertilisers to boost crop yields.
11.2 The Action Programme for Nitrate Vulnerable Zones is one of a number of measures taken to reduce the possible adverse effects of agriculture, especially fertilisers, on the water environment. The action programme is applied in areas identified as posing a threat as defined in the Nitrates Directive.. NITRATE VULNERABLE ZONES IN SCOTLAND 4.1 Criteria for designation 4.1.1 The Nitrates Directive requires that land must be designated where it is draining to points at which nitrate concentrations in surface waters or groundwater have reached 50mg/l or might do so if preventive action were not taken.