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The Development of Agroecology at Barani （burkina faso.

Journal of Agricultural Science and Technology(B) 2013年第8期3卷 545-550页

作者： Jean Louis Yengue Maude Cochonneau UMR CITERES 7324 Department of Geography University of Tours Tours 37000 France

Many researches deal with practices which could adduce reliable answers to insure an ecological development which meets the nowadays global issue ＂feed the world＂ in a sustainable way. But scientific research is much less prolific about social adhesion to those practices. How could we be certain that peasants will integrate them and transform their agriculture？ It is at that particular point that we settled our contribution. Our goal is to determine what are the levers which could be activated to promote agroecological practices, and, on the contrary, what are the obstacles which could prevent social adhesion to agroecology. The meticulous fieldwork carried in Barani, a landlocked small village in the North-West of the burkina faso. shows that all the ingredients for the development and the dissemination of agroecology already exist. Indeed, traditional agriculture is not so far from agroecology. But we noticed among peasants ofBarani a rejection of the local farming system synonymous, according to them, with backwardness, and an attraction for industrial agriculture, sign of modernity. Dissemination of agroecology will have to go through a major confidence-building work of the peasants with their own practices, as opposed to multiple trainings where they are always being taught what they already know.

关键词： Agroecology agrosystem social adhesion burkina faso.

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Estimation of Soil Hydrodynamic Parameters Related to Agricultural Practices -Case of the Tougou Experimental Site （burkina faso.

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Journal of Environmental Science and Engineering(A) 2017年第10期6卷 527-534页

作者： Dial Niang Mahamadou Koita Amadou Keita Medogbe Christelle Manuela Houndayi Cheick Oumar Zoure Amagana Emmanuel Dara Department of Civil Engineering and Hydraulics. the International Institute for Water and Environmental Engineering Laboratory of Hydrolog v and Water ResourcesRue de la Science-BP 594 Ouagadougou 01 Burkina Faso

This study aims to estimate the hydrodynamic properties of soils under various agricultural practices in the Tougou catchment in northern burkina faso. The methodology adopted is based on the determination of the unsaturated hydraulic conductivity and capillary sorptivity close to saturation. This method relies on the measurement of the transient infiltration flux at the soil surface with imposed hydraulic head varying from -60 to -20 mm. These tests are carried out on control, stony line, half-moon and zai plots. The results show a difference in hydrodynamic parameters according to the agricultural practices. The unsaturated hydraulic conductivity is 33.1 cm/h, 13.1 cm/h, 20.3 cm/h and 4.0 cm/h for zai, control, stony line and half-moon plots respectively. The unsaturated hydraulic conductivity is 33.1 cm/h, 13.1 cm/h, 20.3 cm/h and 4.0 cm/h for zai, control, stony line and half-moon plots respectively. The pores participating to water transfer also differ. The mean size of drainable pores is 43.7, 56.2, 22.3 and 87.2 pm on control, stony line, half-moon and zai plots respectively.

关键词： Agricultural practice unsaturated hydraulic conductivity sorptivity soil Tougou burkina faso.

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