"Billy" wrote in message news:wildbilly-

As you will see, industrial no-till was introduced
to combat the erosion and loss of top soil. But industrial no-till
relies on expensive chemical inputs of fertilizers and increasing
quantities of chemical remedies to combat pests (vegetative and insect
problems)

I think your post is a bit too broad in it's scope.

You might be interested to read up on P.A. Yeomans and his farming methods
ie keyline. He was a broadacre farmer who really understood how to conserve
and in fact improve his land with some mechanical tillage (of sorts)