Sentences with phrase «world grain yield»

Between 1950 and 1990, world grain yield per hectare climbed by 2.1 percent a year, ensuring rapid growth in the world grain harvest.
This extraordinarily successful earlier endeavor tripled the world grain yield per acre between 1950 and 2011.
The average world grain yield in 1950 was 1.1 tons per hectare.
Chapter 9 Data: Feeding Eight Billion People Well (XLS PDF Highlights) Undernourishment in the World and in Selected Groups and Regions, 2009 Undernourishment in the World, 1969 - 2009 World Grain Production and Consumption, 1960 - 2009 World Average Grain Yields, 1950 - 2009 World Grain Yields, Annual Percent Increase by Decade, 1950 - 2009 Milk Production in India and the United States, 1961 - 2007 World Animal Protein Production, 1961 - 2007 World Soybean Production, 1964 - 2009 World Fertilizer Consumption, 1950 - 2008 Top of Page
After several decades of Lrapid rise in world grain yields, it is now becoming more difficult to raise land productivity fast enough to keep up with the demands of a growing, increasingly affluent, population.
Per hectare, world grain yields rose about two percent annually since 1960.

Not exact matches

Mr. A. H. Boerma, General Director of the Food and Agriculture Organization of the United Nations, is calling upon the world to set aside 15 % of the annual grain yield in a global food bank for emergency use to prevent starvation.
The researchers found out that in response to global temperature increases, grain yield declines are predicted for most regions in the world.
Agricultural innovation has long sustained the world's masses with an abundance of low - cost food, thanks to the success of the mid-20th century's Green Revolution, which brought industrialization and high - yield grains to India, Mexico and many other developing countries.
Since then, it has released two major coffee cultivars — Colombia (in 1980) and Castillo (2005)-- that have been effective since 1983 in tempering leaf rust while preserving the characteristics so important to world - class coffee: high yield, large grain size, great taste.
It is only within the last 60 years or so that rising yields have replaced area expansion as the principal source of growth in world grain production.
Between 1950 and 1973 the world's farmers doubled the grain harvest, nearly all of it from raising yields.
Rising grain prices and falling yields hit the world's poorest people hardest, as they spend most of their income on food.
Climate change will greatly and adversely impact grain yields, grain growers, Yorke Peninsula, South Australia, Australia, and the World, but Heartland Farmers don't show any signs of caring about that.
Since the mid-twentieth century, the world grain harvest has nearly quadrupled, with most of this growth coming from the tripling of the grain yield per acre.
One key to the threefold expansion in the world grain harvest since 1950 was the rapid adoption in some developing countries of high - yielding wheats and rices (originally developed in Japan) and hybrid corn (from the United States).
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