Hunger has been a major issue throughout human history and sadly remains so today.Although China has the largest population,its arable land per capita ranks no better than 126th among the>190 countries in the world.Thanks to the widespread adoption of modern agricultural te chnologies including the use of improved crop varieties,chemical fertilizers and pesticides,
机构:
North Carolina State Univ, Social Sci, Raleigh, NC 27695 USA
North Carolina State Univ, Genet Engn & Soc Ctr, Raleigh, NC 27695 USANorth Carolina State Univ, Social Sci, Raleigh, NC 27695 USA