In this case, relative returns to some of the structural measures also improve even when barley is grown in both sites.
Farmers in the area grow a wide range of crops but major crops include wheat, barley, and horse beans.
The coefficients of the dummy variables (excluding wheat), therefore, compare the production frontier of barley, other cereals, pulses, and other crops to that of wheat.
The principal crops grown are teff, sorghum, barley, wheat, and lentils.
The original data included more than 300 barley varieties, most of which were not cultivated in recent years.
Effects of post-anthesis water stress on the yield and grain protein concentration of barley grown at two levels of nitrogen.
No exogenous inputs were applied to the barley crop.
When in need during the spring, farmers relied on grazing whole plants of barley.
