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INDONESIA
REINWARDTIA
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Education,
Education
Arjuna Subject : -
Articles 1,467 Documents
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NITROGEN CONTENT OF TOPSOIL IN LOWLAND TROPICAL FOREST IN EAST KALIMANTAN (INDONESIA), BEFORE AND AFTER CLEAR-CUTTING AND BURNING SOEDARSONO RlSWAN
Reinwardtia Vol. 10 No. 2 (1984)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

In order to study the changes in nitrogen content of forest soils after clearcutting and burning over a period of time, two plots of 0.5 ha in the primary mixed dipterocarp and kerangas forests were established and clear-cut. Thereafter, all felled vegetation in one plot of each forest type was burnt, while in the other plot the vegetation was removed from the plot without burning. Soil samples were collected along the transect line 1 x 100 m in each of plots at intervals of 20 m.The preliminary results of the data collected over 6 and 12 weeks after felling with or without burning showed a decline of total N and organic C contents of topsoil and an increase in soil pH.
A REVISION OF THE GENUS SPATHOLOBUS (LEGUMINOSAE-PAPILIONOIDEAE) Jeannette W. A; Ridder-Numan; Harry Wiriadinata
Reinwardtia Vol. 10 No. 2 (1984)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

In the S. E. Asiatic genus Spatholobus 28 species are recognized, 6 of which are never described before: S. albus S. auricomus, S. auritus, S. hirsutus, S. multiflorus and S. viridis. One variety (S. ferrugineus var. acutus) is also newly described. A key and full descriptions with plates and maps to illustrate the distribution are given.
A NEW LITSEA (LAURACEAE) FROM MALESIA a. j. g. h. kostermans
Reinwardtia Vol. 10 No. 2 (1984)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

Litsea hirsutior Kosterm. is newly described from the Malay Peninsula and is compared to L. hirsutissima
THE GENUS INDIGOFERA L.(FABACEAE-PAPILIONNOIDAEAE) IN BURMA M. Sanjappa
Reinwardtia Vol. 10 No. 2 (1984)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

26 species of indigofera are found inburma. It includes 2 new pecies( I.maymayoensis and menghalayensis) and a new record (I.scabrida) A.key is provided to the species recongnised;descriptions,distribution and phenology are given.The specimens examined are cited
HASSKARL'S CINCHONA BARKS 1. HISTORICAL REVIEW C. E. RIDSDALE; L. A. Anderson; A. T. Keene; J. I). Phi
Reinwardtia Vol. 10 No. 2 (1984)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

The preliminary results of alkaloid analyses of Hasskaii's cinchona bark collection, made in Peru in 1852/3' is given, and the identity and historical aspects of the material discussed in respect of the role the plants played in the Javanese plantations.
THE ANAMORPH OF SARAWAKUS SUCCISUS RIFAI Mien A. Rifai; Triadi Basuki; Kartini Karmadibrata
Reinwardtia Vol. 10 No. 2 (1984)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

Single ascospore isolates of Sarawakus succisus Rifai produce a Trichoderma like anamorph. The hypocreaceous nature of the genus Savawakus Lloyd is therefore indicated. A detailed illustrated description of this conidial state is presented.
MORPHOLOGICAL, ANATOMICAL AND CHEMICAL ANALYSES OF AMORPHOPHALLUS PAEONIIFOLIUS AND RELATED TAXA Elizabeth A; Widjaja; R.N. LESTER
Reinwardtia Vol. 10 No. 3 (1987)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

A study on the affinity of undescribed taxa of Amorphophallus with A. paeoniifolius and its related species was undertaken using numerical analyses of data derived from preserved and living specimens. The results obtained were compared with the system of classification produced by classical taxonomic methods. The Javanese wild and cultivated forms of Amorphophallus paeoniifolius respectively known locally as "Amorphophallus campanulatus f. hortensis" and "Amorphophallus campanulatus f. sylves-tris" were confirmed as two distinct but closely related taxa.
EXPERIMENTAL TAXONOMY OF THE GIGANTOCHLOA ATTER-GIGANTOCHLOA PSEUDOARUNDINACEA COMPLEX Elizabeth A; widjaja; R.N. Lester
Reinwardtia Vol. 10 No. 3 (1987)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

Gigantochloa pseudoarundinacea, G. robusta, G. atter, G. atroviola-cea and 14 other related Malesian species of bamboos were studied from preserved and living materials. Characters discerned by morphology, anatomy, chromatography and electrophoresis were analysed by numerical taxonomy. Most of the data indicated that the four species named above were distinct although closely related. The relationships of the remaining species were more complex, but the integrity of each species was established.
A REVISION OF MALESIAN GIGANTOCHLOA (POACEAE - BAMBUSOIDEAE) Elizabeth A; widjaja
Reinwardtia Vol. 10 No. 3 (1987)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

Eighteen species of Gigantochloa are recognized from the Malesian area, of which ten species are wild and the rest are known only in cultivation. Besides morphological and anatomical evidences, data derived from chemotaxonomical analyses are also utilized in the systematic study of these species. A new combination (G. pseudoarundinacea) and four new species (G. achmadii, G. atroviolacea, G. manggong and G. pruriens) are proposed. Moreover a doubtful species (G. heteroclada) is also mentioned. Full illustrated descriptions, complete list of synonymy and typification aa well as sundry notes for each species treated are presented. Keys to all species and varieties recognized (based on the inflorescence and vegetative characters) are given and an index of all specimens examined is also appended.
A NEW STATUS FOR DESMODIUM OVALIFOLIUM (PAPILIONACEAE) RUGAYAH RUGAYAH
Reinwardtia Vol. 10 No. 3 (1987)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

Based on differences in anatomical and morphological characters, the new combination Desmodium heterocarpon (L.) DC. subsp. heterocarpon var. ovalifolium (Wall, ex Prain) Rugayah is proposed to accommodate some specimens formerly included in D. heterocarpon var. heterocarpon,

Page 130 of 147 | Total Record : 1467

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