Economic weights have been estimated in two breeds (Latxa and Manchega) using economic and technical data collected in 41 Latxa and 12 Manchega dairy sheep flocks. The traits considered were fertility (lambing per year), prolificacy (number of lambs), milk yield (litres) and longevity (as productive life, in years). A linear function was used, relating these traits to the different costs in the...

T paper studies the role of the yield-dependent trading cost structure influencing the optimal choice of the selling price and production quantity for a firm that operates under supply uncertainty in the agricultural industry. The firm initially leases farm space, but its realized amount of fruit supply fluctuates because of weather conditions, diseases, etc. At the end of the growing season, t...

Bumper crops have quickly turned the corn and soybean price boom into a bust. Newcrop corn and soybean futures contracts are down 40 percent and 35 percent respectively in just a few short months. Of course, those farmers that had the foresight to lock in at high prices are completely unaffected by the drop in price. For them, market volatility has created profit opportunities. But all is not l...

The technique of the processor farm has become very widely used for paral-lelising applications, often being mentioned without reference to any source. The goal of this work has been to put together a complete and rigorous understanding of what the technique can be used for and what is needed in order to arrive at an eeciently farmed application. This paper consists of these two parts. We have ...

This contribution is based on the personal experiences of the author as a typical crop farmer in Holland in 1925-1991, as a researcher at the Dutch Institute of Agricultural Engineering (19541964), and as the Director of that Institute in the period 1964-1983. In essence, the 20th century developments in mechanized agriculture are considered from a historical perspective. The future of farm mec...

This study aims to analyze the impact of Upsus program on those three variables. The sample this were chosen by simple random sampling method. total respondents 66 farmers soybean from two districts in villages for each district. They interviewed their farm budget dry season2014 non-upsus and season 2018 Upsus. Therefore, observations 132. There are dependent variables, i.e. yield, production s...