Results 201 to 210 of about 130,968 (241)

A multi-host mechanistic model of African swine fever emergence and control in Romania. [PDF]

Nat Commun
Hayes B, Vergne T, Rose N, Mortasivu C, Andraud M.   +4 more
europepmc   +1 more source

Adoption of soil and water conservation practices among smallholder farmers in the Somali Regional State of Ethiopia. [PDF]

Sci Rep
Sametar MB, Duale MM.
europepmc   +1 more source

Examination of <i>Salmonella</i> prevalence and slaughter findings in pigs based on rye feeding, coarser feed structure and vaccination against <i>Lawsonia intracellularis</i> under field conditions. [PDF]

Vet Anim Sci
Lindhaus JG, Rohn K, Visscher C, Arnold CB.   +3 more
europepmc   +1 more source

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Prices, Technology, and Farm Size

Journal of Political Economy, 1982
In this paper we construct and empirically test a theory of the agricultural firm which explains the long-term growth in farm size in the United States. Typically the U.S. farm unit is a family enterprise. Consequently the ratio of the opportunity cost of farm labor to the price of machinery services determines the size of the farm operation by ...
Kislev, Yoav, Peterson, Willis
openaire   +1 more source

FARM PROGRAM PAYMENTS AND FARM SIZE

2005
A simultaneously determined model for farm size and government payments along with the incorporation of a recursive impact of government payments and agricultural returns was used to examine farm size changes nationally and regionally. The results clearly demonstrated resource substitution influences, differences in the nonfarm economy, and ...
Atwood, Joseph A., Helmers, Glenn A., Shaik, Saleem, Atwood, Joseph A., Helmers, Glenn A., Shaik, Saleem   +5 more
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Farm Size and the Distribution of Farm Numbers

1971
Size-of-farm data for 1964 were fitted to the function In Y =In a·bX Results showed that the percentage distribution of farms by size classes tends to follow the distribution of an inverse exponential function. Furthermore, empirical size distributions seem to have an underlying stability across time and geographic areas.
Boxley, Robert F., Boxley, Robert F.
openaire   +3 more sources