The objectives of this study are to identify the actors and actions that contribute to the development of the regional area of Kimvula, to demonstrate that the territory of Kimvula is underdeveloped, to show the problems of this situation and the strategies to ensure the integral development and to solve the problem of its poor development. The results obtained from this study affirm that the level of the development is in decline (opinion of 60 percent of subjects surveyed), or in stagnation (opinion of 34.5 percent of subjects surveyed) and without opinion (opinion of 5.5 percent of subjects surveyed). The long-term development of Kimvula therefore requires diversification of their economies into the production of tradable goods. It is also necessary in the medium term because the territory is isolated from a possible reversal, even temporary, in the current trend in raw material prices. Diversification of production can follow several directions. The evacuation of agricultural products is a first path. But also, significant investments in transport infrastructure and the rehabilitation of agricultural service roads. National governments and international development agencies have neglected for too long the potential that the territory of Kimvula represents.

This study on the impact of agriculture was carried out in the province of central Kongo, precisely in the territory of Kimvula. The purpose of this study is to demonstrate tha the lack of supervision of peasants, the poor condition of the roads means that the vehicles of traders no longer arrived at Kimvula, this handicaps the development of peasant agriculture in the area under study. To do this, we have used the following methods and techniques: analytical, inductive ant interview survey. The results showed that the territory of Kimvula has an agriculture that does not have a positive impact on economic development due to low production. Indeed, we note that agricultural production in 2020 and 2022 has either deteriorated or fallen to worrying proportions. This situation has negatively influenced the standard of living of the population.This means that agricultural production in Kimvula has not been able to feed its population and therefore ensure its own food security. Mainly due to low production. The majority of Kimvula households have low incomes and therefore low purchasing power and uncomfortable living conditions.

This study demonstrates the analysis of knowledge, practices and attitudes of market gardeners in the city of Kinshasa regarding the use of pesticides and their impact on human health and the environment. It covered 8 selected vegetable sites including Cecomaf, Rifflaert, Lemba-Imbu, Monastery, Saïo, Tshuenge, Mombele and Kimpoko among the 27 listed for a quantitative survey type CAP structured 740 market gardeners. All gardeners surveyed systematically use pesticides including organophosphorus commonly known as "Thiodan" (94.6%). The majority of market gardeners (94.9%) have not received any training on the use of plant protection products and do not have a good knowledge of application rates and treatment frequencies. The diversity of phytosanitary treatment methods is explained by the lack of training and especially by the lack of supervision of market gardeners that could have mitigated the harmful effects on the human environment such as vertigo, nasal congestion, colds, redness, eyes, nausea and vomiting ..., and the physical environment.

The study took place in the rural areas of Kasangulu, Kimvula and Madimba (the former district of Lukaya) in order to access the topical organization of rural world, in a country where official data are rather unusual. This study allows to bring out resources and constraints of the studied areas, according to geographical and social point of view, in order to solve the problem of social and economical non integration. The observation method and the system method, using Arc-view and Arc-Gis softwares, have been used for data processing and maps elaboration. The rural areas of Kasangulu, Kimvula and Madimba in the province of Kongo Central have huge natural resources (potential). The climate and the soil accept crops that serve as basic food-stuffs for the population. These resources are undergoing anthropogenic aggression and are therefore in ecological imbalance due to a management that is ancestral rather than ecological: slash-and-burn farming is practiced from one location to another, land tenure empowers nobody as to the maintenance of the productivity of land assets, people tend to work on the steepest slopes, the forest and the savannah are burned every year. Additionally, there is a standing request from Kinshasa, the Capital of Democratic Republic of Congo for energy wood in the form of coal (makala) and firewood (nkuni). All these activities have led to deforestation, soil depletion, reduced agricultural yields, gradual disappearance of non-timber forest products (NTFPs) and the impoverishment of the indigenous population. The social and economical non integration results from the fact that in production implements, in transportation and hydroelectric infrastructures, there is no sufficient investment in favour of rural populations. Natural resources and agricultural productions are not more sufficient and the evacuation towards big centres of consumption, instead of multiplying the populations wealth of the studied areas, creates a shortage. Decision makers are then invited to play their role to help the rural population develop itself harmoniously by minimizing constraints.

The management of sandy soil in Bateke plateau to feed Kinshasa population in continued growth, is one of the problems that arises in this urban peripheral agriculture. Agroforestry in time, alternating trees and crops on the same land was used as technical means to increase fertility and production. However, agricultural practice in the long term at Bateke plateau showed that agroforestry was not able alone to ensure continuity of production on the same land. In this study, we tested the effect of biochar associated with litter from an agroforestry system could have on improving maize production in Bateke plateau. We observed that forty one and five months respectively after application of biochar and litter maize production was influenced favorably. Among all combinations of biochar doses (0, 2, 4 and 8 kg / m2) and Acacia mangium litter doses (0, 5, 10 and 20 t / ha), the combination of 4 Kg / m2 of biochar with 20 t / ha of litter was the best with 2019 kg / ha of maize cobs with spathe. Moreover, the presence of the clipped hedge has had an effect on the stems and maize cobs differently on plants in his neighborhood and those in the middle of the experimental plot.

In order to establish an agroforestry carbon sink to Bat

Millettia laurentii De Wild. is the high value species most exploited for timber in the Democratic Republic of Congo. For this, the species suffers from natural regeneration deficit to overcome this drawback, this study aims to develop relatively simple and efficient methods of vegetative multiplication of this species: the macrocuting. Four silvicultural techniques have been tested on a plot of a quarter of hectare (n=196). Gathering respectively macrocuting up to 1.50, 1.30, 0.75 and 1 meter above ground. After 12 months of observation, the treatments 1 and 0.75 meter height showed the highest percentage by number of the granulations is 75.5% with a mean of 9.8