In China, where fertilizer manufacturing is government - subsidized,
the average grain yield per acre grew 98 percent between 1977 and 2005, while nitrogen fertilizer use increased a dramatic 271 percent, according to government statistics.
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
Not exact matches
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Results from these MLTs showed that while the target level of beta - carotene in the
grain was attained,
average yield was lower than that of comparable local varieties preferred by farmers.
The
average world
grain yield in 1950 was 1.1 tons per hectare.
Average yields of grain corn and soybeans were highly correlated (R2 = 0.86 and 0.74, respectively) with average available crop heat units (CHU), with yields increasing by about 0.006 t ha - 1 CHU - 1 for corn and 0.0013 t ha - 1 CHU - 1 forso
Average yields of
grain corn and soybeans were highly correlated (R2 = 0.86 and 0.74, respectively) with
average available crop heat units (CHU), with yields increasing by about 0.006 t ha - 1 CHU - 1 for corn and 0.0013 t ha - 1 CHU - 1 forso
average available crop heat units (CHU), with
yields increasing by about 0.006 t ha - 1 CHU - 1 for corn and 0.0013 t ha - 1 CHU - 1 forsoybeans.
Indeed, the harvested area for «coarse
grains» fell by 4 % as corn, with an
average yield of 150 bushels per acre, replaced other feed
grains such as sorghum (
averaging 60 bushels per acre).