Advances in Solar Energy: An Annual Review of Research and by D. O. Hall, P. J. de Groot (auth.), Karl W. Böer (eds.)

By D. O. Hall, P. J. de Groot (auth.), Karl W. Böer (eds.)

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94 ,95 Milk production per cow also increased in 1985. 5% from 1984 to around 5,900 kg. 6 Mt. up 27% from 1982 levels. Although in 1984 butter production was down 15%, the previous year's. stocks were CHAPTER 1 16 up 7%. Similarly, 1984 stocks of domestic cheese were a 33% increase from 1982 levels, despite a 4% drop in production. 3 USSR Poor weather (and probably also shortages of fuel and agrochemicals) has led to a decline in agricultural output, with an estimated 11 % decrease in harvested grains to 170 Mt.

In Africa there has been a continued decline in food supply of about 15%. During the period 1970-79, food production in 27 out of 53 African countries was not keeping pace with the increase in the population: and in eight of those countries there were negative agricultural production rates in the 1970·s. 1 % in 34 CHAPTER! 3 Developed countries NA NA Developing countries NA NA Population Per capita food production Total agricultural trade World food supply. In 1984, African food production fell by 13%, which means that it is now approximately 20% below the average for 1980-84.

Fertilizers and irrigation contribute about 50% to the cost of the food. The price of agricultural products often does not provide a fair wage for the producer, who cannot afford to buy enough to meet basic biological needs. With the rural poor of India-about 50% of the population-facing ever decreasing wages in real terms, and unable to buy a nutritionally adequate diet, the problem is one of poverty rather than production. As Sankaran 111 succinctly puts it, "the dilemma today is to raise more food from shrinking land resources for an increasing population with a decreasing purchasing capacity".

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