Yes, and please do! This blog is not just a place for Tim to write about the delights of rural life, it's also a place where you can comment on his musing. Comments are open on every single post he makes, and he would love to hear your thoughts on the topics under discussion.
If you click on the Comments link on the bottom of every blog post, you have the option of leaving a comment there and then. Just put in your name and e-mail address, and your comment, and click publish. The comment might take a short while to appear, but shortly it will appear on the website.
If you have your own website or blog, please put its address in the URL box. and your name under your comment will appear as a link to your own website.
If you think you might be leaving comments regularly, it might be worth registering with Typekey, an independent commenting service which is not affiliated with Farmers Weekly or its publisher, Reed Business Information. A Typekey identity will allow you to post comments more quickly, and makes it more likely that they will be published straight away. Your Typekey account can also be used on many other blogs all over the web.

