Ressources Etiqueté: Weeds

30 correspondances trouvées (Affichage 1 - 10)

  1. Problem Plants and Alien Weeds in South Africa

    19/01/1995 This book has become an indispensable guide for anyone interested in knowing how to recognize, understand and control troublesomeplants. Agricultural production is threatened with a range of alien and indigenous species and our botanical heritage is under threat from a growing variety of alien...
    Weeds Weeds-Identification

  2. Guide to the Naturalized and Invasive Plants of Eastern Africa

    20/01/2017 Both in Ethiopia and in the countries of East Africa, the continuing proliferation and spread of invasive alien species (IAS) is now recognized as a serious problem, which needs to be addressed. While this situation has improved dramatically over the past 10 years, further progress has been...
    Invasives Aquatic organisms Aquatic Weeds Introduced Species Invasive Species Weed Control Weeds East Africa

  3. Guide to the Naturalized and Invasive Plants of Southeast Asia

    20/01/2017 Despite the significant impacts of alien plant species (IAS), there has not been a concerted effort to tackle the problem across the region. This can mainly be ascribed to a lack of policy, little awareness and limited capacity at a national and regional level. The UN Environment-Global...
    Invasives Invasive Species Introduced Species Mapping Monitoring Weed Control Weeds Asia

  4. Guide to the naturalized and invasive plants of Laikipia

    20/01/2017 Cradled between the Aberdare Mountains and Mount Kenya, Laikipia County is a land-use model for arid and semi-arid lands in Kenya. Its unique combination of large-scale ranches and community-owned lands host wildlife populations unrivalled in other parts of Kenya. Laikipia hosts the highest...
    Invasives Invasive Species Introduced Species Weed Control Weeds Monitoring East Africa

  5. Weed Science: Principles and Applications

    25/05/2007 Weeds are the pioneer plants of disturbed soils and can adversely affect the use, economic value, and aesthetic aspect of the lands and waters they infest. Knowledge of the major mechanisms of weed survival is essential for developing effective methods of weed control to maximize the use and...
    Weed Control Weeds Herbicides

  6. Lutte intégrée contre striga - video

    AccessAgriculture Training Video La mauvaise herbe parasitaire, appelée striga, cause plus de dégâts aux cultures céréalières sur les sols pauvres, donc il faut gérer les deux problèmes ensemble. Dans cette vidéo, nous allons apprendre pourquoi il est important de combiner au moins trois options...
    Weeds Weed Control Striga AccessAgriculture Farm Management East Africa West Africa

  7. Houe rotative - video

    AccessAgriculture Training Video Une bonne gestion des mauvaises herbes peut accroître les rendements de plus de 50 %, mais cette gestion est laborieuse. C’est donc un aspect auquel il est bon, en tant qu’agriculteur, d'investir dans des outils de gestion efficientes et économes en main-d'œuvre....
    Weeds Weed Control AccessAgriculture Rice Farm Equipment Appropriate Techno... East Africa

  8. Allelopathy for weed control in agricultural systems

    Abstract ,Crop Protection, 2015 Weeds are a hidden foe for crop plants, interfering with their functions and suppressing their growth and development. Yield losses of 34% are caused by weeds among the major crops, which are grown worldwide. These yield losses are higher than the losses caused by...
    Weed Control Weeds allelopathy

  9. Contrôle des mauvaises herbes en riziculture - video

    AccessAgriculture Training Video Une bonne gestion des mauvaises herbes peut accroître les rendements de plus de 50 %. C’est donc un aspect auquel il est bon, en tant qu’agriculteur, de prêter une attention particulière. Langues disponibles Anglais Arabe Ateso Bangla Birman Chichewa / Nyanja...
    Rice Weeds Weed Control AccessAgriculture East Africa

  10. Integrated Weed Management (IWM)

    Weeds are important biotic constraint to food production. Weeds compete with crops for the same resources, basically water, nutrients, light and carbon dioxide. Furthermore, they are alternate hosts for crop pests and pathogens. Moreover, some of them lack autotrophy and fully develop only by...
    Weed Control Weeds