By Albert Nyberg, World Bank
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Additional info for At China's table: food security options, Volume 113
0 percent in grainsotherwise, declining production growth will necessitate more imports. Fertilizer The widespread use of chemical fertilizers has been a major factor in the remarkable increase in grain and food production. Domestic production, using both indigenous local technologies and modern international technologies, provides 7075 percent of the fertilizer nutrient supply. Fertilizer use has quadrupled since 1978, spurred by fertilizer-responsive crop varieties. Fertilizer used in 1995 was valued at 125 billion yuan, making it the major cash input in crop production.
China imports 2025 percent of internationaly traded fertilizer to meet about about 30 percent of its fertilizer nutrient needs. In 1995 about 36 million tons of fertilizer (by nutrient content) valued at 125 million yuan were applied to agricultural crops, representing the primary agricultural cash input. But poor application methods and low-quality fertilizer make fertilizer use inefficient and crop production costs unnecessarily high. International joint ventures in raw material mining and fertilizer manufacture could resolve some of the investment financing constraints, and ensure that the latest technologies are employed.
But poor application methods and low-quality fertilizer make fertilizer use inefficient and crop production costs unnecessarily high. International joint ventures in raw material mining and fertilizer manufacture could resolve some of the investment financing constraints, and ensure that the latest technologies are employed. New factories using modern technologies to produce high-nutrient nitrogen and phosphate fertilizers are under construction, and others are plannedbut there are delays. Large additional Page 4 investments in new plants will be required to produce the fertilizer needed and to replace nitrogen and phosphate imports.
At China's table: food security options, Volume 113 by Albert Nyberg, World Bank