Water has become a major input into agriculture production in the United States. Irrigation in the Western United States has been important in crop production and will continue to be important. Irrigation is also becoming more important in areas of the southeast. The use and conservation of...

Availability of water for agricultural use is one of the major factors determining agricultural production in the Western United States and is becoming an important factor in areas of the Southwest. In addition, water use and conservation is an important concern of the 1977 Soil and Water...

Wind erosion is defined as the movement of soil particles resulting from strong turbulent winds. The movement of soil particles can be categorized as suspension, saltation, or surface creep. Fine soil particles can be suspended in the atmosphere and carried for great distances. Particles too...

Policies to regulate pesticides at the national level have not changed as new issues, such as groundwater contamination, have emerged. Therefore, various states are responding. This paper discusses recent state initiatives in regulating pesticides to prevent groundwater contamination, and...

Many people have tried to analyze what the future holds for continued increases in crop yields. After studying time series of average U.S. yields for 19 crops, Lin and Seaver [6] concluded that 12 crops including corn, cotton, and wheat have reached yield plateau, and the seven remaining crops...

During the last decade, two concerns have been raised about the future of U.S. crop production. These concerns are: A) Will the United States have enough land available in the future that is suitable for crop production? and b) What will future crop yields be? Future U.S. crop production is...

After preliminary work on the livestock sector for the 1985 CARD/RCA model was completed in the summer of 1983, it was felt that one of the weaker areas in the sector was the linkage between the livestock sector and the range sector. At that time it was decided that the best way to approach this...

The purpose of this paper is to provide an insight into the methodology used in calculating coefficients for the livestock sector of the Center for Agricultural and Rural Development's (CARD) linear programming models. The livestock sector consists of four basic livestock...

The purpose of this paper is to elaborate on the basic assumptions that have been made or need to be made before the solutions for the 1985 RCA, At the last Project Advisory Committee (PAC) meeting a paper put together by USDA's Basic Assumption Work Group (BAWG) was presented (APPENDIX A). This...

The United States has both enjoyed and suffered from the ability of its agricultural sector to produce more than was demanded domestically or that could be sold abroad at a profit. Food and fiber prices, because of the abundance of supply, are below those that would otherwise have prevailed....