B. K. Kandpal* Principal Scientist,
Division Of Natural Resource Management,
Indian Council Of Agricultural Research,
Krishi Anusandhan Bhawan- II (KAB-II),
Pusa,
New Delhi 110 012 India
O. P. Premi Division of Natural Resource Management,
Indian Council of Agricultural Research,
Krishi Anusandhan Bhawan- II (KAB-II),
Pusa,
New Delhi 110 012 India
R. S. Mertia Division of Natural Resource Management,
Indian Council of Agricultural Research,
Krishi Anusandhan Bhawan- II (KAB-II),
Pusa,
New Delhi 110 012 India