According to the U.S. Census of Agriculture, 294,000 farms operated on 10 or fewer acres in 2007. While most small acreage (SA) operations did very little farming, approximately 50,000 SA farms had gross sales of $10,000 or more in 2007; 3,600 reported grossing $500,000 or more. Thus, a limited land...

Characteristics for separating the four biotypes (A, B, C, and D) of the greenbug, Schizaphis graminum (Rondani), are discussed, including morphological differences and response to resistant varieties and insecticides. Techniques for culturing greenbugs on caged plant:; in the greenhouse are...