By Albert Nyberg, World Bank
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Extra resources for At China's table: food security options, Volume 113
An objective of the government's food policy is to maintain 95 percent grain self-sufficiency. But this study shows that greater integration with international markets would permit food security at a lower costand that cereal self-sufficiency could decline to 90 percent. This conclusion is consistent with the expectation that China will join the World Trade Organization and will rely more on market forces to trigger investment, production, and consumption decisions. As a result, China and China's trading partners will benefit, through lower production costs and higher farm incomes, as each country's comparative advantage is exploited.
0 million hectares of wastelands are potentially reclaimable, although infrastructure and farm buildings would reduce the cultivable area by 2530 percent. 14 These areas are widely distributed around the country, but with almost 50 percent in Xinjiang and Heilongjiang, where water shortages would constrain reclamation. And some of these lands are in remote areas or are low in fertilitybut could still be productive as pasture or forest. 5 International yield comparisons, 199194 average (kilograms per hectare)Country or groupRiceWheatCornChina (official estimates)5,7933,3174,777China (revised estimates)4,1382,3693,412Asian countries3,6682,5003,462Developing countries3,5142,4242,670Industrial countries5,6712,5566,249Argentina4,4712,1584,289Australia8,2841,5814,853Egypt7,5665,0936,116France5,0356,5597,775Italy6,5583,4978,236Korea, Rep.
Unbalanced supply and use of nutrients Even though the importance of proper nutrient balance is well known, and generalized ratios of 100:50:25 (nitrogen, phosphate, potash) have been recommended for several years, China's application ratios in 1995 were 100:47:16. ) This study analyzed macro-nutrient balances on the basis of a detailed investigation of the input and uptake for the most important crop and livestock products. 3). 7a. Source: World Bank staff estimates. essentially wastedpossibly contributing to environmental pollution.
At China's table: food security options, Volume 113 by Albert Nyberg, World Bank