Science in New Guinea, Volumes 13-14University of Papua New Guinea, 1987 - Agriculture |
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Page 22
... phases labelled as reducible , organic and residual . A large proportion ( 53 % ) of the total iron ( 53.9 mg g - 1 ) was in the reducible phase , probably as amorphous iron oxyhydrates which would play an important role in the initial ...
... phases labelled as reducible , organic and residual . A large proportion ( 53 % ) of the total iron ( 53.9 mg g - 1 ) was in the reducible phase , probably as amorphous iron oxyhydrates which would play an important role in the initial ...
Page 31
... phase accounts for over half of this iron ( 53 % ) and consists of exchangeable metal ions , carbonates and iron oxyhydrates . Since exchangeable iron is usually a very minor component ( Calmano et al . , 1982 ; Ellaway et al . , 1982 ...
... phase accounts for over half of this iron ( 53 % ) and consists of exchangeable metal ions , carbonates and iron oxyhydrates . Since exchangeable iron is usually a very minor component ( Calmano et al . , 1982 ; Ellaway et al . , 1982 ...
Page 34
... phase ( 27 % ) whilst the extractable zinc is mainly in the reducible ( 15 % ) and to a lesser extent the organic phase ( 8 % ) . Again the high proportion of zinc in the reducible phase is , as for manganese and iron , consistent with ...
... phase ( 27 % ) whilst the extractable zinc is mainly in the reducible ( 15 % ) and to a lesser extent the organic phase ( 8 % ) . Again the high proportion of zinc in the reducible phase is , as for manganese and iron , consistent with ...
Contents
Fish ulcer disease from the Ok Tedi area of Western Province Papua New Guinea | 15 |
An annotated bibliography of keys to the genera and species of vertebrates in | 37 |
An antealluvial fauna in Papua New Guinea | 107 |
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Alamblak attitudes toward mathematics Aure Scarp Australia Basin bioclasts carbonate Cernohorsky 1972 Characeae chemical Chemistry clams clusters concentrations coral CRUZ The University environment environmental extraction Figured by Cernohorsky Figured by Hinton fish foraminifera Foraminiferal order forest Formation Forstner fragments freshwater geological graceful shark Grain-size habitats highlands intertidal Ipea Journal June 87 Kapriman Karawari Lakes Birip limestone Linnaeus Locality Madang mangrove marine miliolid mollusc Motupore Island National Capital District occur oral disc organic P.O. Box Papapli paper Papua New Guinea Parago plants Plate Port Moresby Post Courier Purari Purari River Quinqueloculina rainfall recorded reef References Research return stroke River samples sand Science seagrass sediment sediment fraction slope sodium chlorite stations Table temperature total foraminiferal assemblage trace metals transect tuber University Library UNIVERSITY UNIVERSITY OF CALIFORNIA/SANTA University of Papua vegetation water depth Wololo Wongabi zone zooplankton