Economics of trees versus annual crops on marginal agricultural lands.
GUPTA (Tirath)
Economics of trees versus annual crops on marginal agricultural lands. - ND Oxford & IBH publishing Co. 1982 - xvi,139
Trees
634.92 GUPE
Economics of trees versus annual crops on marginal agricultural lands. - ND Oxford & IBH publishing Co. 1982 - xvi,139
Trees
634.92 GUPE