In theory, lump-sum transfers are a way to redistribute wealth without distorting production decisions. Recent agricultural policy reforms are an unusual large-scale application of this concept. The 1996 Federal Agricultural Improvement and Reform (FAIR) Act removed most price-contingent agricultural subsidies and replaced them with Production Flexibility Contracts—lump-sum payments with few ti...

Societies with low-level food production economies occupy the vast and diverse middle ground between hunting–fishing–foraging and agriculture. Efforts by Ford, Harris, Rindos, Zvelebil, and others to characterize this “in-between” territory are discussed, and a new conceptual framework is proposed. Domestication, the central landmark of this middle ground, is situated well away from the boundar...

health and safety are important factors in today’s life. most of studies show that consuming the chicken that has anti biotic caused different diseases like digestive vessel cancer. attention to controlled use of antibiotics can play a key role in society health which considered in the production of green chicken. planning for increasing the production of mentioned chicken needs the investigati...

the purpose of this study was to determ the degree, level and capacity indices of agricultural mechanization in sarab region (n: 37º45', e: 47º30') in eastern azarbayjan province, comprising about 65,164 hectares of farming land. the number of tractors, types of machines, and degree, level, and capacity of mechanization were calculated as the method of study. data showed that the average level ...

in many processes polymeric foams can be produced by using chemical or physical blowing agents. in this work for polyethylene foam production, the chemical blowing agents and compression moulding process were employed. at first, by using dsc diagram of two polyethylene grades, a suitable polyethylene grade was selected for foam production and then we discuss about blowing agent critical percent...