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What agricultural crop is grown the most in China? 

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The analysis also shows that the distribution of crop residues in China is highly uneven.
The paper concludes that China needs to prioritize investments in agricultural research for new technologies raising agricultural productivity, and mitigating rural environmental problems.
There is some evidence that the transformation of industry in China was also important for agricultural TFP growth.
revealed that appropriate diversified crop rotation systems could contribute to decreased carbon footprint compared with conventional intensive crop production system in North China Plain.
The efficient utilization of the enormous crop-residue resources in China is crucial for providing biofuel, reducing the risk of environmental pollution, and increasing farmers' income.
If the potential of crop production in China is to be better used, an even more market-oriented agricultural policy is required.
Our findings highlight that adjusting cropping systems can dominantly contribute to utilization efficiency increases of agricultural climatic resources in Northeast China in the future.
The situation for cropland loss with better quality, and expanded the worse was severe in China, and this is expected to negatively influence sustainable agricultural development in the future.
The results imply that equalized rural-urban and regional policies are required to maintain sustainable agricultural growth in China.
Our results show that agricultural TFP growth accelerates in China after 1979 and in India after 1974, although China’s agricultural sector clearly outperforms India’s.
To successfully achieve environmental protection as well as high crop yields, China must formulate relevant agricultural policies to encourage farmers in economically developed areas to reduce their N fertilization rate while also issuing conventional fertilization recommendations for small-scale farming systems and the expanding cultivation of cash crops.
Improvements in soil and crop management for vegetable production systems in China, particularly the avoidance of excess N fertilizer and manure applications, are recommended.
China can maintain a healthy cultivated land base for food and agricultural production in the long term.
Weeds are a major constraint to crop production, which is of crucial importance for food security in China given its 1.37 billion population.
Open accessProceedings ArticleDOI
Meng Jihua, Wu Bingfang, Li Qiangzi 
01 Jul 2006
For a country with a population of 1.2 billion it is important to know not only the domestic crop growth, but also the crop condition in other big agricultural countries that have food trade with China.
Our analysis also showed that in Northeast and Northwest China, SOC in agricultural soils is still decreasing due to cultivation.
There is a great potential for enhancing the crop yield by improving the SOC content in each region of China.
This study is the first report of the C values of crop rotation systems in China at the national scale.
The results show that (1) Productivity of crop production system in China has been obviously enhanced through limited manpower inputs.
Our findings demonstrate that the crop management based on the MST may obtain a higher grain yield and reduced N application comparing to other crop managements, which results in a greatest profit assuming it is adapted by the large-scaled farmers in South China.

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