Change is inevitable in nature (Disraeli, 1867). And so a long
journey from a subsistence existence to abundance and
providing food for billions has changed the nature of farming
from 5000 BC to 2000 AD (Fussell, 1965; Pretty, 2002; Bruinsma,
2003). Modern agriculture in the last century and currently, is
the most advanced form of farming humans have ever
practised (Federico, 2005). This has potentially offered to
banish hunger. However, at present, the world population is
nearly 6.5 billion with 800 million malnourished and is
projected to grow to 9 billion by 2050 (Pimentel and Wilson,
2004). All the nations of the world have pledged to achieve the
Millennium Development Goals by 2015 that include the
eradication of hunger (UN, 2005).