Essential Steps to a Sustainable Agriculture

This article includes eight solid principles farmers can use to increase long term productivity. They are the guiding principles of the Kerr Center in Oklahoma.
Kerr Center: Essential Steps to a Sustainable Agriculture:

What is a sustainable agriculture? And once you know what it is, how do you practice it?
These are the questions my staff and I first addressed in the mid-80s. There are dozens of definitions of a sustainable agriculture. But I'll go with a simple one: A sustainable agriculture is a system of agriculture that will last. It is an agriculture that maintains its productivity over the long run...