The biogeochemical cycles of carbon (C), nitrogen (N) and phosphorus (P) are interlinked by primary production, respiration and decomposition in terrestrial ecosystems1. It has been suggested that the C, N and P cycles ...

considering inefficiency. This article has investigated the effect of economic inefficiency on output supply and dry land wheat input demand. Therefore, different inefficiencies were estimated using Dual Frontier method and provincial data in 2001-2010 period...