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5,183 research outcomes, page 1 of 519
  • publication . Article . 2005
    Restricted English
    Authors:
    Manuel Ruiz Pérez; Driss Ezzine de Blas; Robert Nasi; Jeffrey Sayer; Marieke Sassen; Claudine Angoué; Norbert Gami; Ousseynou Ndoye; G. Ngono; Jean Claude Nguinguiri; ...
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    Industrial logging has been the subject of strong debate, epitomised by the contentious positions around logging in the Congo Basin. Logging companies are often considered as homogeneous and rather static agents, which leads to sweeping generalisations about their perfo...

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  • publication . Article . Conference object . 1971
    Open Access
    Authors:
    Jean-Pierre Denis; Jean Valenza;
    Persistent Identifiers
    Publisher: CIRAD (Centre de Cooperation Internationale en Recherche Agronomique Pour le Developpement)

    Trois taurillons appartenant à un lot d'animaux dont les potentialités génétiques ont été extériorisées par une alimentation rationnelle dès leur naissance sont abattus à 30, 29 et 27 mois. Leurs poids respectifs sont de 589, 556 et 440 kg représentant un gain moyen jou...

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  • publication . Article . 2013
    Restricted
    Authors:
    Eduardo Somarriba; Rolando Cerda; Luis Orozco; Miguel Cifuentes; Héctor Dávila; Tania Espin; Henry Mavisoy; Guadalupe Ávila; Estefany Alvarado; Verónica Poveda; ...
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    Publisher: Elsevier BV

    Abstract The cocoa tree ( Theobroma cacao L.) is cultivated typically in agroforestry systems in close association with a rich list of tree species and other useful plants on the same plot. Cocoa based agroforestry systems are credited for stocking significant amounts o...

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  • publication . Article . 2008
    Restricted
    Authors:
    Shi-qin Sun; Xiu-feng Yan;
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    Publisher: Springer Science and Business Media LLC

    Nitrate reductase activity (NRA) in different plant organs and leaves in different positions ofCamptotheca acuminata seedlings was determined by anIn vivo assay, the diurnal variation rhythm of NRA in leaves of different positions was observed, and the correlations betw...

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  • publication . Article . 2008
    Restricted
    Authors:
    Zhang Jie; Li Xueyao; Jiang Qiulai; Li Changsheng; Li Peng; Dong Denfeng; Lin Li-sha; Xu Wenting;
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    Publisher: Springer Science and Business Media LLC

    The indexes of dependent variables of the measurement on the forest ecological benefits were defined according to the analysis of the multiple ecological benefits of forest. This indexes system includes watereserving, soil and water conservation, wind and sand suppressi...

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  • publication . Article . 2019
    Open Access
    Authors:
    Mutale N. Chileshe; Stephen Syampungani; Emma Sandell Festin; Mulualem Tigabu; Abolfazl Daneshvar; Per Christer Odén;
    Persistent Identifiers
    Publisher: Springer Science and Business Media LLC

    Soil characterization is a vital activity to develop appropriate and effective restoration protocols for mine wastelands while insights into the total content of heavy metals in the soil is an important step in estimating the hazards that the metals may pose to the vita...

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  • publication . Article . 2008
    Restricted
    Authors:
    Wang Fenghu; Dai Fangtian;
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    Publisher: Springer Science and Business Media LLC

    A number of references about the degradation of particleboard strength were reviewed. Evidences indicate that PF adhesives are hydrolytically stable and yet particleboards bonded with these resins still degrade. The main causes of degradation of PF bonded particleboard ...

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  • publication . Article . 1965
    Open Access
    Authors:
    Robert Cadot; Jacques Coulomb; Raymond Rivière;
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    Publisher: CIRAD (Centre de Cooperation Internationale en Recherche Agronomique Pour le Developpement)

    <jats:p>Après un bref résumé des conditions climatiques de la région de Bouaké (République de Côte-d'Ivoire), les auteurs exposent les résultats obtenus par une étude comparée de quelques plantes introduites: techniques d'implantation, rythme d'exploitation, longévité d...

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  • publication . Article . 2016
    Open Access
    Authors:
    Aassiri Alexis Assiri; O. Deheuvals; Z.J. Keli; B.I. Kebe; A. Konan; N. Koffi;
    Persistent Identifiers
    Publisher: African Journals Online (AJOL)

    La regeneration des vieux vergers de cacaoyers ( Theobrama cacao L.) est une des strategies mises en place en Cote d’Ivoire pour assurer une production durable de cacao. Une etude a ete conduite en vue d’elaborer un guide pour realiser un diagnostic rapide et adequat de...

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  • publication . Conference object . 1992
    Restricted French
    Authors:
    CIRAD-MES - FRA; Ministère de la coopération et du développement (France) - FRA; Club du Sahel - FRA; CTA - NLD;
    Publisher: CIRAD

    Les agricultures sahéliennes sont en crise: la production ne suit pas les besoins. Elle est tributaire du climat ce qui induit une instabilité des flux et des prix. Par ailleurs, les Etats connaissent une crise financière et en conséquence les différentes économies nati...

5,183 research outcomes, page 1 of 519