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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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Strawberry (Fragaria spp.): Cultivation, Production, Consumption, and Marketing in Cameroon

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Agricultural Sciences 2024年第4期15卷 449-471页

作者： Djeuani Astride Carole Moutamal Djem Rose Theophine Derricka Mbouobda Hermann Désiré Abdoulaye Souaibou Meliga Essimi Célestine Bouopda Nono Joël Anafack Donasson Dioril Messouang Bernard Didier Ndongo III Boris Charlen Kaffo Emmanuel Kamga Fossouo Anselme Xavier Tiki Antoine Marie Kevin Nyimiebolo Bengono Audrey Maguy manuela Diobe Motassy Adounga Samuel Brice Amama Amama Benjamin Nshanji Jones Panguepko Fendju Christophe Nzie Oussena Nguetrapouna Issofa Mpon Ikoyin Linda NKouéya christelle Ladone Amang Amang A. Ziem Niemenak Nicolas Laboratory of Plant Physiology and Biochemistry Department of Biological Sciences Higher Teachers&#8217 Training College University of Yaound&#233 1 Yaound&#233 Cameroon Department of Plant Biology Faculty of Science University of Yaound&#233 1 Yaound&#233 Cameroon Department of Biology Higher Teachers&#8217 Training College Bambili University of Bamenda Bamenda Cameroon Mbidjoro Sustainable Living Environment Ngaound&#233r&#233 Cameroon Cé r&#232s Agricole Yaound&#233 Cameroon KAFFO Farm Baham Cameroon Agro Ankh Dschang Cameroon Bio Farm of Lolodorf Lolodorf Cameroon Or Rouge d’ Afrique Obala Cameroon Bafoussam Farm Bafoussam Cameroon King Farms Baham Cameroon Department of Microbiology Faculty of Science University of Yaound&#233 1 Yaound&#233 Cameroon

Strawberry (Fragaria spp.) is one of the most important fruits classified as exotic fruits imported into Cameroon. To have an inventory of its cultivation in Cameroon, a survey study was carried out among eight farms of Fragaria spp. from January 2021 to February 2022. The plant was introduced in Cameroon in 2018. There are 13 varieties of Fragaria spp. currently cultivated. Among these 13 varieties, eleven are hybrids of Fragaria x ananassa (“Amiga”, “Amine”, “Camarosa”, “Chandler”, “Charlotte”, “Elsanta”, “Gariguette”, “Madame Moutot”, “Ostara”, “Ruby gem” and “San Andreas”), and two of the hybrids of Fragaria vesca (“Maestro” and “Mara des bois”). The cropping system, irrigation system, and type of fertilizers applied differ from one strawberry farm to another. Biofertilizers (such as mycorrhizal), inorganic and organic fertilizers are actually used to improve production. The potential annual production of strawberries from January 2021 to February 2022, estimated based on the survey data, was 21.216 tons for all growers. Among these eight production farms, the Lolodorf BIO Farm presents 6000 kg (six tons) of strawberries and 100,000 stolons (seedlings) produced, from seven varieties of Fragaria spp. cultivated, with 6 varieties which are hybrids variety Fragaria x ananassa (“Amiga”, “Amine”, “Chandler”, “Gariguette”, “Madame Moutot”, and “Ruby gem”), and one which is a hybrid of Fragaria vesca (“Mara des bois”). Certain diseases were also observed and recorded depending on the growing areas.

关键词： Fragaria spp. Cultivation Technique Attack of Pathogens Annual Production Cameroon

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Strawberry (Fragaria spp.): Cultivation, Production, Consumption, and Marketing in Cameroon

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Agricultural Sciences（农业科学） 2024年第4期 449页

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