Weed control strategies for coffee in Papua New Guinea : smallholders, shade, socio-economic and other factors /
Silva, N. T. M. H. de.
Weed control strategies for coffee in Papua New Guinea : smallholders, shade, socio-economic and other factors / N.T.M.H. De Silva & C.A. Tisdell. - Konedobu : Dept. of Agriculture and Livestock, 1987. - 22 p. ; 30 cm. - Discussion paper ; 87/2 . - DAL discussion paper ; 87/2 .
Coffee--Weed control--Papua New Guinea.
Weeds--Control--Papua New Guinea.
Weed control strategies for coffee in Papua New Guinea : smallholders, shade, socio-economic and other factors / N.T.M.H. De Silva & C.A. Tisdell. - Konedobu : Dept. of Agriculture and Livestock, 1987. - 22 p. ; 30 cm. - Discussion paper ; 87/2 . - DAL discussion paper ; 87/2 .
Coffee--Weed control--Papua New Guinea.
Weeds--Control--Papua New Guinea.