Russia have difficulty extracting its resources because some of the resources are in very remote places and also under hostile weather conditions. This makes it costly and hard to extract. These are the basic reasons behind Russia not going for extracting those resources.
Russia ranks first in the world for the largest land area of any country.
Answer:
It is increased productivity is the main contributor to economic growth in U.S. agriculture. This data set provides estimates of productivity growth in the U.S. [ farm sector for the 1948-2009 period, and estimates of the growth and relative levels of productivity across the States for the period 1960-2004.
