Introduction:

• Nepal is richly endowed with numerous agricultural crops and plants.
• The variation in temporal, altitudinal, topographical and aspects has made agricultural such biodiversity possible (Shrestha, 2007).
• Hence, Nepal is a safe heaven on earth for many plant and crop species even in the events of disasters of global warming in this planet.
• The agrobiodiversity in the country is so immense that this needs a time series study of ten to twenty years to enumerate all the variations causal element and assessments of results. It is mainly because the cultivation, gathering from the forests, food habits and consumption vary not only by ecological belts, hamlets and ethnicity but is also due to variations with events of disasters especially during the droughts.
• People found to have invented and adopted consuming and growing several kinds of food items to cope with such events which are cyclical (Shrestha, 2004).