wow, look at this grass. reporter: this is a human experiment, to see if data and respectful discussion could change hearts an minds. this was grazed about 40 days ago. and this hadn t been fertilized in 12 years. awesome. and when we got out of spending money on fertilizer, it was youth. and i didn t think it would happen. it is such a stress relief. we just don t worry about a lot of it any more. and you don t even fertilize when you plant your ryegrass. nothing. it sounds crazy. but just letting mother nature do the work. would it be an interesting thing if you didn t have to pay for fertilizer? wouldn t that be wonderful. curtis is one of the conventional farmers in roots so deep and he said his mind was changed when he realized you now has a way to double his herd and quit his second off-farm job. right now. we re having to dump thousands of dollars into nitrogen every