Energy inputs and agricultural production under variation regimes of mechanizaon in Norhern India
Singh, Gajendra
Energy inputs and agricultural production under variation regimes of mechanizaon in Norhern India - 33fig.+27tab.+37app.+3.bib.
Agricultural production
Electrical engineering
Energy
Mechanization
Energy inputs and agricultural production under variation regimes of mechanizaon in Norhern India - 33fig.+27tab.+37app.+3.bib.
Agricultural production
Electrical engineering
Energy
Mechanization