the role of science and technology in agricultural development of china

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  • Haploid -Single set of chromosomes contained in the cell or organism.(कोशिका अथवा जीव में निहित गुणसूत्रों का एकल समुच्चय)
  • Haploid -Single set of chromosomes contained in the cell or organism.(कोशिका अथवा जीव में निहित गुणसूत्रों का एकल समुच्चय)




  • the role of science and technology in agricultural development of china

    1. 1. The role of science and technology in agricultural development of china Mansingh meena 2008ce10275
    2. 2.  The contribution rate of scientific and technological progress to China’s agriculture has increased from 20 percent in 1949 to 42 percent. China set a target that science and technology Should contribute up to 63% of the growth of Chinese agriculture sector by 2020.  The agricultural S & T have made much progress in bio-technology, basic research, and the cultivation of plant cells and tissues, haploid breeding and the research on its application have reached the world’s advanced level. Bilinear hybrid rice, hybrid corn breeding, and multi-crop planting technologies featuring intensive cultivation have reached or approached the world’s advanced level
    3. 3. Bio-technology  GM(genetically modified) crop development –  In 2004 China ranked fifth in the world in terms of genetically modified organism (GMO) cultivated acreage. GMO plants developed or used in China include pest resistant cotton – China’s largest GMO crop – and tobacco, peanuts, sweet peppers, papayas and vaccine-carrying tomatoes.  In 2002, China planted 700,000 hectares of transgenic cotton (China is the only Asian country that grows GM crop).
    4. 4. Fertilizers  China produced 24 percent of the world's total grain output, but its use of fertilizer accounted for about 35 percent of total global consumption. China's grain production had increased more than eight-fold from the 1960s, while use of nitrogen fertilizers had surged by about 55 times.  china using 40 percent more fertilizers than crops needed
    5. 5. Use of fertilizers or chemical by china
    6. 6. China 35% Rest of world 65% World fertilizer consumption
    7. 7. pesticides pesticides covers herbicides, fungicides, and insecticides. Herbicides and insectisides are the most commonly used of the two on annual crops. China is biggest user of pesticides in the world .

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