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Academic literature on the topic 'Agriculture itinérante'
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Journal articles on the topic "Agriculture itinérante"
Meunier, Quentin, Sylvie Boldrini, Carl Moumbogou, Amélie Morin, Sostène Ibinga, and Cédric Vermeulen. "Place de l'agriculture itinérante familiale dans la foresterie communautaire au Gabon." BOIS & FORETS DES TROPIQUES 319, no. 319 (January 1, 2014): 65. http://dx.doi.org/10.19182/bft2014.319.a20553.
Full textPeltier, Régis, Émilien Dubiez, Simon Diowo, Morgan Gigaud, Jean-Noël Marien, Baptiste Marquant, Adrien Peroches, Pierre Proces, and Cédric Vermeulen. "Assisted Natural Regeneration in slash-and-burn agriculture: Results in the Democratic Republic of the Congo." BOIS & FORETS DES TROPIQUES 321, no. 321 (July 17, 2014): 67. http://dx.doi.org/10.19182/bft2014.321.a31220.
Full textFleury, Marie. "Agriculture itinérante sur brûlis (AIB) et plantes cultivées sur le haut Maroni: étude comparée chez les Aluku et les Wayana en Guyane française." Boletim do Museu Paraense Emílio Goeldi. Ciências Humanas 11, no. 2 (August 2016): 431–65. http://dx.doi.org/10.1590/1981.81222016000200006.
Full textGhillebaert, Christian-Pierre. "Itinérance érudite dans la campagne flamande." Études rurales, no. 193 (January 1, 2014): 79–94. http://dx.doi.org/10.4000/etudesrurales.10027.
Full textThorstrom, R., and R. T. Watson. "Avian inventory and key species of the Masoala Peninsula, Madagascar." Bird Conservation International 7, no. 2 (June 1997): 99–115. http://dx.doi.org/10.1017/s0959270900001453.
Full textSamak, Madlyne. "Des agriculteurs contre le marché ? Itinéraire d'un mode alternatif de commercialisation des fruits et légumes." L'Homme et la société 183-184, no. 1 (2012): 207. http://dx.doi.org/10.3917/lhs.183.0207.
Full textRakotondrabe, Manohisoa, Sigrid Aubert, Jules Razafiarijaona, Sylvain Ramananarivo, Romaine Ramananarivo, and Martine Antona. "Les paiements pour services environnementaux : un moyen de contenir les cultures sur brûlis forestier à Madagascar ?" BOIS & FORETS DES TROPIQUES 322, no. 322 (October 17, 2014): 51. http://dx.doi.org/10.19182/bft2014.322.a31236.
Full textKombienou, Pocoun Damè, Ismaël Imorou Toko, Gustave Dieudonné Dagbenonbakin, Guy Apollinaire Mensah, and Brice Augustin Sinsin. "Impacts socio-environnementaux des activités agricoles en zone de montagnes au Nord-Ouest de l’Atacora au Bénin." Journal of Applied Biosciences 145 (January 31, 2020): 14914–29. http://dx.doi.org/10.35759/jabs.145.7.
Full textTialou, Oueuga Florence, Freddy Arnaud Yapi, Konan Kla, and Kama N’takpé Maxim Boraud. "Adventices majeures des parcelles industrielles de canne à sucre des unités agricoles intégrées en Côte d’Ivoire." International Journal of Biological and Chemical Sciences 15, no. 2 (June 22, 2021): 594–608. http://dx.doi.org/10.4314/ijbcs.v15i2.17.
Full textKassoum, Traore. "Le couvert forestier en Côte d’Ivoire : une analyse critique de la situation de gestion des forêts (classées, parcs et réserves)." International Journal of Social Sciences and Humanities Invention 5, no. 2 (February 6, 2018): 4387–97. http://dx.doi.org/10.18535/ijsshi/v5i2.02.
Full textDissertations / Theses on the topic "Agriculture itinérante"
N'Dir, Massaër. "Possibilités de mécanisation agricole dans le delta du fleuve Sénégal." Master's thesis, Université Laval, 1986. http://hdl.handle.net/20.500.11794/38305.
Full textManusset, Sandrine. "La question des abattis dans le bas Oyapock (Guyane française) : pérennité et diversité d'une pratique agricole en forêt tropicale dense et en contexte multiculturel." Aix-Marseille 3, 2004. http://www.theses.fr/2004AIX32074.
Full textCarrière, Stéphanie. ""Les orphelins de la forêt" : Influence de l'agriculture itinérante sur brûlis des Ntumu et des pratiques agricoles associées sur la dynamique forestière du sud Cameroun." Montpellier 2, 1999. http://www.theses.fr/1999MON20150.
Full textDubé, Lucie. "La transformation récente des modes de vie des populations montagnardes au Laos : le cas de la province de Luang Namtha." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/26964/26964.pdf.
Full textRéau, Bertrand. "Dégradation de l'environnement forestier et réactions paysannes : les migrants tandroy sur la côte ouest de Madagascar." Bordeaux 3, 1997. http://www.theses.fr/1997BOR30002.
Full textThe dry, deciduous primeval forest along the western coast of madagascar is today a vegetable patrimony on the brink of extinction. The confirmed degradation of the primeval forests of central menabe, particularly south of the kabatomena is mostly due to the tandroy migrants clearers from the south of the island who practise the migratory culture of corn on burnt-out clearings. The reports are alarming : out of the 153 250 acres of the 1960 forest there only remained in 1994, 62 250 acres that is a bare 40% of the amount. South of the mangoky river, the situation is just as serious : 45% of the whole mikea forest area have already been destroyed. The stalled economy resulting from the nation's crisis is in fact the context of the tandroy migrants clearers' habits end behaviour. For the resourceless migrants, access to the land stands as one of the major challenges to take up and the only land available can only be claimed from the burnt-out forest. The whole land policy of the country is what is actually to be blamed for this process. The chief purpose of the tandroy migrants is the purchase od zebus, a downright cultural aspiration. The sacrifice of the forest is for them the sole means to ensure the ritual sacrifice of the ox. Burning for cattle, such is the basic justification of the destructive customs of the tandroy clearers. Hence the deliberate strategy of alliances and compromises with the "tompontany" even if it is bound to generate a few cultural distortions as far as customs and age-old rituals are concerned. There is no eradicating the roots of the evil without, first and foremost, dealing with the real prospects for a lasting development of the barren lands of androy, which is the starting point of the galeful migrations. This is the only way to combine the possession of cattle, the reward of the funeral and the preservation of the forest environment
Svengsuksa, Boua Khay Khone. "Reconstitution du couvert végétal et la revalorisation des terrains après la culture sur brûlis dans le district de Muang Fuang, province de Vientiane, R. D. P. Lao." Paris, Muséum national d'histoire naturelle, 2003. http://www.theses.fr/2003MNHN0001.
Full textAn analysis has been conducted of the crucial problem of shifting slash-and-burn cultivation in the Muang Fuang District of Laos, Vientiane Province. Studies were made on the peoples now living in the district, composed of Lao, Khmou, Hmong and Yao, who immigrated from nearby areas of persistent insecurity where they previously practiced this system of cultivation. The work focused on the traditional farming practices used by these groups, and on the permanent cultivation techniques now being used (flooded rice fields, and plantations of various crops for local use or for sale in markets and for export) with government encouragement in its effort progressively to replace shifting slash-and-burn agriculture with permanent settlement. An analysis of the impact of these agricultural practices on the vegetation, which was originally a rich, dense semi-evergreen tropical forest, shows that forest regenerates after about ten years, with a trend toward a climax forest type corresponding to the ecological conditions of the region. In order to improve the economy of the region, several possibilities were examined for improving land after shifting slash-and-burn agriculture: establishment of perennial cultivation, irrigated and flooded rice production, and natural resources exploitation, especially of non-timber forest products. This array of products can now be brought to market and exported via new roads built in the district. This has resulted in a new way of life for the inhabitants of the study area, who have become sedentary and are now respecting the environment by progressively abandoning shifting slash-and-burn agriculture
Boissière, Manuel. "Ethnobiologie et rapports à l'environnement des Yali d'Irian Jaya (Indonésie)." Montpellier 2, 1999. http://www.theses.fr/1999MON20200.
Full textAlongo, Longomba Sylvain. "Etude microclimatique et pédologique de l'effet de lisière en Cuvette centrale congolaise: impact écologique de la fragmentation des écosystèmes :cas des séries Yangambi et Yakonde à la région de Yangambi, R.D. Congo." Doctoral thesis, Universite Libre de Bruxelles, 2013. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209444.
Full textLes résultats obtenus ont montré que la zone de lisière entre les jachères et les forêts denses a une largeur de 70 m pour la série Yangambi et 68 m pour la série Yakonde. Les variations microclimatiques de la lisière en terme de température de l’air, sont intermédiaires (moyenne, minima et maxima) entre celles des jachères herbeuses et des forêts denses. La fragmentation des forêts par l’agriculture itinérante sur brûlis modifie profondément les propriétés physico-chimiques de sols dans les couches superficielles. Un des effets de changements d’occupation du sol et de la fragmentation est la présence d’horizons superficiels à texture sableuse au niveau des jachères herbeuses et des lisières forestières. La densité apparente et la conductivité hydraulique ont subit une importante dégradation sous les jachères herbeuses. A l’inverse, la lisière forestière assure une bonne structure conservatrice du sol (faible densité apparente et bonne conductivité hydraulique). Le sol des forêts denses présente des bonnes propriétés physiques et de ce fait, est pris comme référence à partir duquel les effets de dégradation physique du sol peuvent être appréciés.
Le potentiel chimique du sol (pH, phosphore assimilable, le taux de saturation en bases et la CECE) est meilleur au niveau des jachères herbeuses et des lisières forestières par rapport aux forêts denses suite à la pratique du brûlis qui permet de restituer au sol une fraction de la minéralomasse forestière par les cendres. Les teneurs en carbone et azote totaux du sol ont été significativement plus élevées sous les lisières forestières que sous les jachères herbeuses et les forêts denses. Les résultats de l’indice de Kamprath ont montré que, les lisières, en plus de contribuer à l’accroissement de carbone organique du sol, tendent à diminuer la toxicité aluminique de sols étudiés. A l’inverse, l’étude a mis en évidence une toxicité aluminique plus élevée sous la jachère herbeuse de la série Yangambi que sous la lisière. En parallèle, nous avons observé une baisse des teneurs en fer sous toutes les jachères et les lisières forestières.
Les pratiques de jachères cultivées et d’agroforesterie s’avèrent incontournables pour enrichir ces sols en matière organique, limiter l’érosion liée au brûlis afin de freiner le lessivage des nutriments, éviter le compactage du sol et assurer le maintien à long terme d’une bonne structure conservatrice du sol.
In the forest zone of Yangambi, located in the Central Congo Basin (DRC), land use is changing rapidly and forest fragmentation due to slash and burn agriculture has become one of the dominant processes of landscape dynamics. This study's main goal is to apply a microclimatic approach in transects to determine the edge area between the fallow grasslands and dense forests, and, in order to better understand the responses of the soil physico-chemical properties to changes in land use and forest fragmentation. Two most popular areas used by farmers have been selected on the basis of the existing soil units: the Yangambi and Yakonde series. Undisturbed soil samples at depths of 0-10 cm, 10-20 cm, 20-30 cm and the disturbed at 0-20 cm were collected from different the land use types after detecting the edge area. Our approach was to compare the properties of identical soils based on their genesis, under grass fallow, edge and forest cover, so as to quantify the effect of edge on the soil properties, to better understand the edaphic consequences of the forest fragmentation by slash and burn shifting cultivation.
The results showed that the edge area between fallow and dense forests has a width of 70 m for the Yangambi series and 68 m for the Yakonde series. Microclimatic variations of the edge in terms of air temperature are intermediate (average, minimum and maximum) between grass fallows and dense forests. The fragmentation of forests by slash and burn shifting cultivation profoundly modifies the physico-chemical properties of soils in the surface layers. One of the effects of changes in land use and fragmentation was the presence of surface layers with more sandy texture in the fallow grassland and forest edges. Bulk density and hydraulic conductivity undergo an important degradation under grass fallows. In contrast, the forest edge ensures a maintenance of the soil structure (low bulk density and good hydraulic conductivity). Dense forest soil has thus good physical properties and therefore is taken as the reference from which the effects of soil physical degradation can be appreciated.
The chemical potential of the soil (based on pH, available phosphorus, base saturation and CECE) is better in the grass fallows and forest edges compared to dense forests due to the practice of slash and burn which allows restoration by adding nutrients to the soil through the ashes. The carbon and total nitrogen in the soil were significantly higher under forest edges than in fallow grasslands and dense forests. The results of the-Kamprath index shows the edges, in addition to contributing to an increase in soil organic carbon, tend to decrease the aluminium toxicity of studied soils. By contrast, the study revealed a higher aluminium toxicity under fallow grassland on the Yangambi series that under the edge and the forest. In parallel, we observed a decrease in iron contents in all fallow lands and forest edges.
The practices of cultivated fallows and agroforestry are proving unavoidable for enriching these soils in organic material, to reduce erosion related to slash and burn in order to curb the leaching of nutrients, to avoid soil compaction and to maintain a long-term well developed soil structure.
Doctorat en Sciences agronomiques et ingénierie biologique
info:eu-repo/semantics/nonPublished
Grandisson, Mariane. "Gestion des systèmes d'agriculture itinérante sur brûlis dans l'ouest Guyane : contribution à l'étude de la reproductibilité et de la fertilité." Antilles-Guyane, 1997. http://www.theses.fr/1997AGUY0024.
Full textShifting cultivation on brulis (ai) is a convenient method of cultivation without inputs. After two or three crop cycles, the degradation of soil fertility forces farmers to move their crops and the land is left fallow. Fallowing can be used to reconstitute a biomass, which will release during the next production period, after burning, the mineral elements necessary for the growth and development of crops. The purpose of this study was to provide support for the decision, with a view to eventually establishing these traditional systems. It required an analysis of the management of Qi systems, an important component of reproducibility of fertility, and the condition of fixation. At first, the spatial management of these systems and their capacity to cope with the agro-ecological and socio-economic constraints of the environment, to reproduce, were studied. This study was carried out at the scale of the agrarian system and more precisely at the level of the production systems which correspond to the level of the choices and decisions of the farmers. In a second step, the evolution of the components of fertility, likely to influence the yield of cassava, was analyzed - the cassava constituting the main crop of West Guiana. Three levels were considered: the cropping system that allows to understand the modes of behavior and association of crops, but especially the cultivated plot and the experimental plot, place of measurement and monitoring. In the first stage of this work, a balancing capacity of the giblets is established from the Piaget model. This typology makes it possible to identify 5 functional types of giblets in the region and 2 modes of evolution. In the second stage, during a first cycle of giblets, after secondary forest, the evolution of stocks of carbon, nitrogen and exchangeable bases shows that there is no degradation in relation to the material organic soil. On the other hand, there is a decrease in exchangeable bases following the cultivation and in particular potassium. Comparing this decrease with the needs of the crop, it was possible to identify potassium as a factor limiting production
Maton, Laure. "Représentation et simulation des pratiques culturales des agriculteurs à l'échelle régionale pour estimer la demande en eau d'irrigation : application à un basin versant maïsicole du sud-ouest de la France…" Phd thesis, Toulouse, INPT, 2006. http://oatao.univ-toulouse.fr/7695/1/maton.pdf.
Full textBooks on the topic "Agriculture itinérante"
Nolle, Jean. Machines modernes à traction animale: Itinéraire d'un inventeur au service des petits paysans. Paris: Harmattan, 1986.
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