By R. Bourdeix, 2019. In construction
Anon (1965) Smallholder sole coconut budget. Papua and New
Guinea Agricultural Journal 17 (2) 72-75
Bailey, P., O'Sullivan, D. & Perry, C. (1977) Effects of
artificial defoliation on coconut yields in Papua New Guinea. Papua New Guinea
Agriculture. J. 28, 39-45
Baseden, S.C.; Southern, P.J. (1959) Evidence of potassium
deficiency in coconut palms on coral-derived soils in New Ireland from analysis
of nut waters, husks, fronds and soils. Papua and New Guinea Agricultural
Journal 11 (4) 101-115
Carrad, B., & Bourke, R. M. (1985). Farming Systems Research in Papua New Guinea. Agricultural Systems Research for Developing Countries, 108.
Carrad, B., & Bourke, R. M. (1985). Farming Systems Research in Papua New Guinea. Agricultural Systems Research for Developing Countries, 108.
Charles, A.E. (1959) Coconut yield figures in New
Ireland trials. Papua and New Guinea Agricultural Journal 12 (2-3) 86
Charles, A.E. (1959) Nursery selection of coconut seedlings.
Papua and New Guinea Agric. J. 12, 116-118.
Douglas, L.A. (1965) Some aspects of coconut agronomy in
Papua and New Guinea. Papua New Guinea Ag. J. 17, 87-91.
Gallasch, H.E. & O'Donohue, J.(1976) Intercropping of
coconuts with cocoa in Papua New Guinea. Cocomunity Q. Suppl. APCC/QS/18/76,
16-21.
Gallasch, H.E. (1976) Coconut nutrition in the Markham
Valley of New Guinea. Papua New Guinea Ag. J. 27, 75-91.
Ollivier, J. (2002). Support mission to the Coconut Agronomy
& Farming System section at the Cocoa & Coconut Research Institute,
Papua New Guinea Stewart Research Station, Madang, 4-12/12/2001.
Ollivier, J., Akus, W., & Bonneau, X. (1999). Coconut
nutrition in Papua New Guinea. CORD. Coconut Research and Development, 15(2),
76-105.
Ollivier, J., Akus, W., & Bonneau, X. (2000). Impact
économique de différents scénarios de replantation de vieille cocoteraie. OCL.
Oléagineux Corps gras Lipides, 7(2), 197-202.
Ollivier, J., Akus, W., Leplaideur, A., & Bonneau, X.
(1999). Réponse de jeunes cocotiers hybrides à la fumure minérale en
Papouasie-Nouvelle-Guinée. Premiers bilans agroéconomiques. Plantations,
recherche, développement, 6(6), 415-431.
Southern, P.J. (1967) Sulphur deficiency in coconuts, a
widespread field condition in Papua and New Guinea. Part I: The field and
chemical diagnosis of sulphur deficiency in coconuts. Papua and New Guinea
Agricultural Journal 19 (1) [18-24].
Southern, P.J. (1967) Sulphur deficiency in coconuts, a
widespread field condition in Papua and New Guinea. Part II: The effect of
sulphur deficiency on copra quality. Papua and New Guinea Agricultural Journal
19 (1) [38-44].
Southern, P.J., and Dick, K. (1967) The distribution of
trace elements in the leaves of the coconut palm, and the effect of trace
element injections. Papua and New Guinea Agricultural 19, 3: 125-137.
Sumbak, J.H. (1970) Coconut seedling establishment as affected
by seedling development at transplanting as well as agronomic practices. Papua
New Guinea Ag. J. 22, 6-25.
Sumbak, J.H. (1970) Effects of time of ammonium sulphate
application to the growth of newly planted coconut seedlings. Papua New Guinea
Ag. J. 21, 93-101.
Sumbak, J.H. (1970) Poor coconut growth in southwest
Bougainville. Papua New Guinea Agric. J. 22, 1-5.
Sumbak, J.H. (1976) Progress of two coconut
fertilizer trials in Papua New Guinea. Oleagineux 31, 427-434.
Sumbak,J.H. & Best, E. (1976) Fertilizer response with
coconuts in coastal Papua. Papua New Guinea Agricultural Journal 27, 93-102.