na INLIS000000000002737 Ind 0010-1118002737 Alley farming in the humid and subhumid tropics : proceeding of an International Workshop held at Ibadan, Nigeria, 10-14 March 1986 INTERNATIONAL WORKSHOP ON ALLEY FARMING IN THE HUMID AND SUBHUMID TROPICS (1986 : Ibadan) B.T. Kang and L. Reynolds Ottawa IDRC 1989 x, 252 p. : ill. ; 26 cm. x, 252 p. : ill. ; 26 cm. 631.584INTa 631.584(213) LEY FARMING HUMID TROPICS 335/MS/90