The economical situation at agricultural industry has been changed rapidly in Korea for the last 40 years. The population in farming area decreased sharply and the labor demand increased dramatically. The portion of the old and women has been increased. The farm size, and farm rural wage have been increased. Those were the driving forces of the mechanization in agricultural industry. The Agricu...

A farm operator household time-allocation model and data from the Farm Costs and Returns Survey and from other sources were used to derive off-farm wage equations for U.S. farm operators based on production region, size of farm, and farm type. These equations, in turn, were used to impute opportunity costs for farm operators' unpaid labor. Using this new method, instead of the ad hoc method of ...

Between 1700 and 1850, English grain yields were substantially higher than those attained in other countries. It is widely believed that yields were constrained by the availability of nitrogen, and that supplies of nitrogen were effectively limited to animal dung produced on the farm. This paper presents the first systematic analysis of off-farm sources of nitrogen, such as urban and industrial...

This paper presents a synthesis of the main theoretical and empirical contributions that analyse production choices of farm households living and operating in developing countries. The review is particularly concerned with recent micro-economic contributions that highlight the trade-off farm households typically face, between full-income risk and expected return, while making production decisio...

The U.S. Bureau of Labor Statistics (BLS) releases estimates of total non-farm business payroll employment changes every month. These estimates have significant impact on US economic policy and financial market decision makers. However these estimates are produced based only on "preliminary" Current Employment Statistics (CES) survey results, final estimates are release two months later. In thi...

A validation study of the FAMACHA(©) system for clinical evaluation of anaemia due to Haemonchus contortus was conducted on two commercial sheep farms in the summer rainfall region of South Africa. In this region, the Haemonchus season lasts from October to April. On Farm 1 the system was tested over a period of five successive years in consecutive sets of young stud Merino replacement rams and...