Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Basu D. Bhandari"'
Publikováno v:
PLoS ONE, Vol 9, Iss 3, p e93203 (2014)
In North America, cerambycid beetles can have significant ecological and economic effects on forest ecosystems, and the rate of introduction and/or detection of exotic species is increasing. Detection and survey programs rely on semiochemical-baited
Externí odkaz:
https://doaj.org/article/b04ce91856184e09b5c2b94a7fa76f58
Publikováno v:
Journal of Agricultural and Applied Economics. 50:408-428
A stochastic production frontier approach was used to estimate input distance functions for U.S. grass-fed beef (GFB) production. Average technical efficiencies of 0.84 and 0.79 were found for U.S. GFB whole farms and enterprises, respectively. Produ