Nikon 18-200 lens questions.

Hi,

I am ooking at going to one lens for my Nikon D5100. I like getting nature shots, famr equipment shots in the fields, most of which is done while riding my atv.

I am keeping my new 18-55 lens, but am wondering if the 18-200 will fit the bill for me.

http://en.nikon.ca/Nikon-Products/Product/Camera-Lenses/2192/AF-S-DX-NIKKOR-18-200mm-f%252F3.5-5.6G-ED-VR-II.html