Stephen R. Gliessman & Martha Rosemeyer 
Conversion to Sustainable Agriculture [PDF ebook] 
Principles, Processes, and Practices

With all of the environmental and social problems confronting our food systems today, it is apparent that none of the strategies we have relied on in the pasthigher-yielding varieties, increased irrigation, inorganic fertilizers, pest damage reductioncan be counted on to come to the rescue. In fact, these solutions are now part of the problem. It i