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Universitaet fuer Bodenkultur Wien (1997)

Existing indigenous agroforestry practices in the mid-hills of Nepal and their impact on soil conservation

Shrestha, R.K.

Titre : Existing indigenous agroforestry practices in the mid-hills of Nepal and their impact on soil conservation

Auteur : Shrestha, R.K.

Akad. Grad : Thesis.Doctoral 1997

Université de soutenance : Institut fuer Wildbach- und Lawinenverbauung ; Universitaet fuer Bodenkultur Wien

Résumé
The sustainability of the labor integrated farming system of the mid-hill is based upon the farmers’ experience gained over many generations of compating the harsh prevailing agroclimatic conditions. The overpopulation of humans and lifestock in this region has resulted in a shortage of forest resources which has caused a severe decline in soil fertility contributing to a significant loss in crop production. The farming communities have learnt a lot about how to live with the prevailing conditions by permanently combining trees/shrubs on their farmland with the crops instead of having a limited handholding (agroforestry practices). Among the five different locations of farmland identified for retaining trees/shrubs, the middle of terrace riser and outside terrace on terrace edge were the most promising with regard to fodder production and soil conservation. In addition, other locations, such as terrace towards terrace riser and bunds/boundary, also have some effects on production and soil conservation but to a lesser extend than the former locations. However, the terrace is least used for retaining trees due to its importance for crop production. The findings also suggest that farmers have been increasing the trees/shrubs density on southern aspects as the altitude decreases, whereas the reverse was found for northern aspects. Apart from location and aspect, they have an ample amount of management knowledge on various species for fodder, fuelwood and soil conservation along with different vegetative propagation methods of the species. But very little change was found made in cropping pattern and crop variety. Therefore it is high time to look at the existing indigenous of the mid-hill farmers on different fields of the farming systems. In addition, new technology developed on the basis of the indigenous knowledge will be easily adopted by the farmers, since they do not demand much modification to existing methods. Thus, the program aimed at the sustainability of the mid-hill farming system can not be continued successfully unless a proper documentation of the existing knowledge of the farming communities on various aspects of the agroforestry practices is carried out. This must be conducted before carrying out any research on the agroforestry system in the region.

Présentation : Österreichische Dissertationsdatenbank

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