na INLIS000000000005584 Ind 0010-1118005584 RAPA Publication : 1995/12 PROGRESS and problems in the extension of integrated plant nutrition systems (IPNS) at farm level in Asia : report of the expert consultation of the Asia network on bio and organic fertilizers, Kandy, Sri Lanka, 3-7 October 1994 ed. by F.J. Dent; S. Gangwani Bangkok, Thailand FAO Regional Office for Asia and the Pacific 1995 ii, 198 p.; 27 cm.-- ii, 198 p.; 27 cm.-- Includes bibliographies 631.8(5) AGRICULTURE ORGANIC FERTILIZERS EXTYENSION INTEGRATED CONTROL PLANT NUTRITION FARMS ASIA 149/95