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  • 1
    Electronic Resource
    Electronic Resource
    Growth patterns of early versus late successional multipurpose trees of the western Himalaya (1995)
    Springer
    Trees 10 (1995), S. 108-113 
    Details
    ISSN: 1432-2285
    Keywords: Growth pattern ; Multipurpose ; Successional trees ; Western Himalaya
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract In the mid-western Himalaya (altitude 1350 m, rainfall 1100 mm), multipurpose trees found as escapees in agricultural fields or naturally growing in the forests, play an important role in providing fuel, fooder and small timber to the farmers. Shoot elogation, and tree architecture of 4 year old trees of Grewia optiva, Robinia pseudoacacia and Celtis australis (early successionals), and Quercus leucotrichophora, Q. glauca and Ilex odorata (late successionals), were analyzed. All the late successional species showed a proleptic type of bud and branch production, while the early successional trees made growth through syllepsis. The shoot elongation differed significantly (P 〈0.05) with the crown position, and ranged from 11 to 30 cm in different species. Early successional species tended to maintain a comparatively narrow crown and showed a significantly (P 〈0.05) higher ramification ratio, and multilayered canopy. The late successionals, in contrast, showed a wide crown with monolayered canopy, adapted to the weak light intensity. There was only one flush of leaves in Q. leucotrichophora and Q. glauca while in the rest of the species there were two distinct flush periods. The results are important for the management of agroforestry trees.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00192191
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Genetic variation in minerals, crude protein and structural carbohydrates of foliage in provenances of young plants ofProsopis cineraria (L.) Druce in India (1995)
    Springer
    Agroforestry systems 29 (1995), S. 1-7 
    Details
    ISSN: 1572-9680
    Keywords: arid zone ; dry matter digestibility ; fodder quality ; tree fodder
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Prosopis cineraria is an important species for aridzone agroforestry in India. Information on the chemical composition and nutritive value of the leaves of young trees that will be useful in screening the provenances, is lacking. Chemical composition (N, P, K, Ca, Mg, Na), crude protein, and structural carbohydrates (neutral detergent fibre, acid detergent fibre, cellulose, hemicellulose, and lignin) of the foliage of one-year-old plants of 31 provenances ofProsopis cineraria were determined. The seeds were collected from 16°50′ N to 29°55′ N latitude and 69°49′ E to 78°03′ E longitude in India, and grown at Hisar (29°10′ N latitude, 75°46′ E longitude and 215 m altitude). Mineral contents (except N and P), crude protein, and structural carbohydrates varied significantly (p〈0.05) between provenances, and the greatest amount of N, P, crude protein, NDF, ADF and lignin contents were found in Hisar provenance. The in vitro dry matter digestibility varied from 18.2% in Gandhinagar provenance to 34.0% in that of Barmer provenance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00711277
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Observations on the rooting patterns of some agroforestry trees in an arid region of north-western India (1992)
    Springer
    Agroforestry systems 18 (1992), S. 245-263 
    Details
    ISSN: 1572-9680
    Keywords: north-western India ; arid climate ; agroforestry trees ; rooting pattern ; root biomass
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The present study deals with root architecture of 6-year-old trees of 9 indigenous and 3 exotic species growing in arid climate of north-western India. Observations, made on excavated root systems (3 tree replicates of each species) showed large variation in horizontal and vertical spread of roots. In Morus alba, Melia azedarach and Populus deltoides, the roots were confined to 80 cm, while in Prosopis cineraria, Acacia nilotica and Eucalyptus tereticornis, roots penetrated more deeply to 233 cm. The number of total roots ranged from 103 in Acacia catechu to 1932 in Eucalyptus tereticornis, and 62 to 80% of the roots were less than 2 mm in diameter. The primary roots were more horizontal than the secondary roots. The total root biomass varied from 2.2 kg in Acacia catechu to 30.6 kg−1 tree in Populus deltoides, and top 30 cm soil contained 42 to 78% of the total biomass. The implications of the results are discussed in the context of the ecological niche of the species, and its usefulness in agroforestry systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00123320
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Leaf dynamics and protein content of six important fodder trees of the western Himalaya (1992)
    Springer
    Agroforestry systems 19 (1992), S. 109-118 
    Details
    ISSN: 1572-9680
    Keywords: western Himalaya ; fodder trees ; leaf production ; leaf fall ; protein content
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Leaf production, leaf fall, leaf protein and net primary productivity have been reported for 4-year-old fodder trees in the mid-western Himalaya (altitude 1350 m; rainfall 1100 mm). The species include; Grewia optiva, Robinia pseudoacacia and Celtis australis growing in the open and Quercus glauca, Q. leucotrichophora and Ilex odorata growing in the forest. G. optiva, R. pseudoacacia and C. australis showed two distinct periods of leaf flush, and their leaves were short-lived (180 to 360 days) compared with the remaining three species which retained their leaves for more than two years, and had only one flush period during March–April. The open site species showed much higher leaf production, and the leaves contained a significantly (P 〈 0.05) higher protein content, compared with the forest group. Net primary productivity of G. optiva, C. australis and R. pseudoacacia was significantly (P 〈 0.05) higher than the forest species, which may be related to their high leaf production and rapid turnover rate of the leaves. The results are useful for management of these species in agroforestry systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00138501
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    Paper (German National Licenses)
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