Investigations into the nutritional requirements of unshaded plantation coffee in Papua New Guinea : block E7 factorial fertilizer trial, Aiyura Haes, Eastern Highlands Province, 1986/87 - 1990/1991 /
Harding, Paul E.
Investigations into the nutritional requirements of unshaded plantation coffee in Papua New Guinea : block E7 factorial fertilizer trial, Aiyura Haes, Eastern Highlands Province, 1986/87 - 1990/1991 / Paul E. Harding. - Kainantu, E.H.P. : Coffee Industry Corporation, Coffee Research Institute, 1992. - 342 p. ; 30 cm. - Coffee research report ; no. 8 .
9980859113
Coffee industry--Economic aspects.
Coffee plantations--Surveys--Papua New Guinea.
Investigations into the nutritional requirements of unshaded plantation coffee in Papua New Guinea : block E7 factorial fertilizer trial, Aiyura Haes, Eastern Highlands Province, 1986/87 - 1990/1991 / Paul E. Harding. - Kainantu, E.H.P. : Coffee Industry Corporation, Coffee Research Institute, 1992. - 342 p. ; 30 cm. - Coffee research report ; no. 8 .
9980859113
Coffee industry--Economic aspects.
Coffee plantations--Surveys--Papua New Guinea.