Antoine KANYENGA LUBOBO | University of Lubumbashi (original) (raw)

Papers by Antoine KANYENGA LUBOBO

CABI Agriculture and Bioscience, 2024

Soil depletion constitutes a major challenge for agriculture and food security in highlands of ea... more Soil depletion constitutes a major challenge for agriculture and food security in highlands of eastern Democratic Republic of Congo (DRC). This study aimed to assess the effectiveness of the split-application of nitrogen fertilizer on grain yield and profitability of maize on Nitisols in eastern DRC. The urea fertilizer (100 kg ha −1) was applied in single, two, and three split-applications on three maize varieties for two cropping seasons. Results showed that maize growth and yield parameters varied significantly with N splitting strategy, varieties, and cropping season (p < 0.01). The single N application at the 45th day after sowing presented the highest grain yield (5.5 t ha −1) compared to splitapplications for both cropping seasons. The variety 'ZM 627' had the highest grain yield in both seasons (5.4 and 5.8 t ha −1 for 2017 and 2018 cropping seasons, respectively). The benefit-cost ratio analysis showed that single application was more profitable, i.e. 1.63 USD kg −1 of fertilizer compared to two (0.6 USD kg −1) and three splits (0.22 USD kg −1 of fertilizer), though dependent on used varieties. The trend was the same for agronomic efficiency (AE); the single application yielded 11 kg kg −1 of maize grains. In addition, the split applications resulted in additional labor costs. Results from this study do not, therefore, recommend the N splitting strategy for maize on South-Kivu Nitisols.

Frontiers in Sustainable Food Systems

Land degradation is a major obstacle to agricultural development in Africa, where it's accent... more Land degradation is a major obstacle to agricultural development in Africa, where it's accentuated by poor agricultural practices and climate change effects. Restoration of degraded lands is crucial to prevent incursions into virgin and marginal lands. A field experiment was carried out over a four-year period on two degraded sites, to assess and compare the effect of the common practices of: (i) burning crop residues and weeds by resource-poor farmers (T1) and (ii) burning crop residues and weeds followed with application of manure and/or NPK as external inputs (T2) by resource-endowed farmers with (iii) an innovative agroecological package (T3) on soil physical, chemical and biological attributes, and crop yields. T3 consisted of crop rotation and/ intercropping with Mucuna pruriens cover crop, grasses (Pennisetum purpureum and Setaria sphacelate) and shrubs (Calliandra calothyrsus, and Leucaena diversifolia), and the application of manure and NPK. A randomized complete block ...

Open Agriculture

Genotype assessment across various environments is a basic condition for developing stable and su... more Genotype assessment across various environments is a basic condition for developing stable and superior genotypes for sustainable maize production in the South-East of the DR Congo. Therefore, this research’s objectives were to identify the performance of newly developed provitamin A maize genotypes in various environments, and to recommend high-performing and stable genotypes for broader adaptation. Eight provitamin A maize genotypes, including one commercial variety, were planted at three sites during two consecutive cropping seasons (2020/2021 and 2021/2022) forming six environments. All genotypes in six environments were planted in a randomized complete block design containing three replications. Two stability analysis approaches, GGE biplot and Eberhart and Russell method are widely used to identify high yielding and stable genotypes. The combined analysis of variance revealed that G and E as well as their interaction (GEI) have significantly affected the emergence rate, cob’s ...

Non-PRIFPRI2; CRP4; HarvestPlusHarvestPlus; A4NHCGIAR Research Program on Agriculture for Nutriti... more Non-PRIFPRI2; CRP4; HarvestPlusHarvestPlus; A4NHCGIAR Research Program on Agriculture for Nutrition and Health (A4NH

As part of the management of weeds common bean crop (Phaseolus vulgaris L.), a study of the effec... more As part of the management of weeds common bean crop (Phaseolus vulgaris L.), a study of the effects of two methods of weed control on grain yield of 3 varieties of common bean was conducted at the research station INERA Kipopo. The experimental design was a split-plot design with 3 replications and 3 blocks, as the main factor varieties and secondary modes weeding, observations were: the number of days to flowering; number of days to pod; number of days for the filling of pods; number of pods per plant, number of seeds per pod; weight of 100 seeds; the yield of the crop. The results obtained revealed that only the variety is distinguished from APN130 Kapira D6Kenya and share his great influence on the number of pods per plant; number of seeds; 100 seed weight and yield. No interaction of two factors was observed in wholes settings, however weeding methods have influenced the performance of which the highest was obtained by manual weeding with APN 130, two manual weedings are suffici...

In the hinterland of Lubumbashi characterized by peasant agriculture floristic investigations wer... more In the hinterland of Lubumbashi characterized by peasant agriculture floristic investigations were conducted in common bean crop (Phaseolus vulgaris) during the 2014 growing season in 12 fields spread over two roads which: Kasumbalesa and Kipushi. Thus 10 quadrats 1m side were randomly placed in each field. The inventory identified 24 species grouped into 7 families and 5 biological types including: therophytes 66.66%; Geophytes 12.5%; 8.33% hemicryptophytes chamaephytes and finally Nanophan. Abstract: (french): Dans l'hinterland de Lubumbashi caractérisé par une agriculture paysanne des investigations floristiques étaient menées en culture de haricot commun (Phaseolus vulgaris) au cours de la saison culturale 2014 dans 12 champs repartis sur 2 axes routiers dont : kasumbalesa et Kipushi. De ce fait 10 quadrats de 1m de coté étaient placés aléatoirement dans chacun des champs. L'inventaire a identifié 24 espèces regroupées en 7 familles et 5 types biologiques dont : les thér...

Actuellement, l’agriculture africaine est confrontée à des nombreux défis dont le climat caractér... more Actuellement, l’agriculture africaine est confrontée à des nombreux défis dont le climat caractérisé par une irrégularité tant quantitative que qualitative des pluies, la pauvreté des sols en éléments nutritifs ce qui se traduit par le niveau moins fertiles de sols suite à l’érosion du sol, causant leur détérioration et la perte d’éléments nutritifs. Cette dernière s’exprime à son tour par une diminution brusque ou graduelle de rendement selon le type de sol. En effet, il apparaît nécessaire d’utiliser pour l’agriculture les techniques pouvant apporter les nutriments disponibles aux sols et à un faible coût (la Commission économique pour l'Afrique, 2001 ; Kasongo.E et al, 2013, Tejada et al. 2008). L’utilisation des amendements minéraux et organiques est une option possible pour renverser cette tendance de perte de rendement et donc pour améliorer la sécurité alimentaire. Dans le cadre de l'approvisionnement de façon durable des sols en éléments fertilisants, à partir de l&#...

American Journal of Agricultural and Biological Sciences, 2022

The legume-rhizobium symbiosis plays an important role in Nitrogen (N) uptake by plants, more par... more The legume-rhizobium symbiosis plays an important role in Nitrogen (N) uptake by plants, more particularly in the humid tropical region where soils are deeply weathered and have poor electrochemical properties. However, the influence of Bradyrhizobium on N allocation in soybean organs is not clearly understood. Here, we assessed the effect of Bradyrhizobium japonicum on N concentration of soybean leaves and seeds cultivated on acidic soils. We conducted two experiments using a randomized full device with three replicates in two sites (i.e., Kasapa and Kanyameshi). The main plots included three strains of Bradyrhizobium and the uninoculated control while the subplots included soybean variety. We found that different strains of Bradyrhizobium did not induce significant effects on total N concentration in soybean leaves and seeds in the Kasapa site. In contrast, Bradyrhizobium strains affected significantly N concentration in soybean leaves in the Kanyameshi site. We demonstrated that soil N concentration, which varies between investigated sites, positively influences yield and nodulation. We conclude that the efficiency of the soybean-Bradyrhizobium symbiosis and its influence on the allocation of N through soybean organs strongly depend on the chemical characteristics of soil and particularly on the initial N concentrations in soils.

Journal of entomology and zoology studies, 2018

Cowpea (Vigna unguiculata (L.) Walp) is a vegetable legumes that is highly susceptible to insect ... more Cowpea (Vigna unguiculata (L.) Walp) is a vegetable legumes that is highly susceptible to insect pests. These insect pests cause significant damage to food legumes in the field. In rural areas, yield losses attributable to pests oscillate between 20 and 100% depending on the cropping season, the farming practices and the local environmental characteristics. The assessment of the sensitivity to pest attacks by 12 cowpea genotypes was conducted under field and research station conditions in Ngandajika territory during the long and short rainy seasons of year 2015 and 2016. The 12 genotypes showed different levels of resistance and sensitivity to insect infestations and attacks under field and controlled environmental conditions. Much as numerically high number of individuals were recorded, no significant (P>0.05) difference in the pest species population density was observed on the different cowpea varieties evaluated. Overall, out of the 12 genotypes evaluated, some (CNGKASB5-2-0-T, CNGKASA2-2-L, CNGKASG1-0-T, Mujilanga) were considered as moderately resistant or tolerant to pest attacks in the Ngandajika territory. These genotypes may be targeted by as reliable sources of resistance during breeding (selection) works aiming at developing cowpea seeds that are tolerance to abiotic and biotic stresses in the Lomami Province.

The legume-rhizobium symbiosis plays an important role in the nitrogen (N) assimilation of plants... more The legume-rhizobium symbiosis plays an important role in the nitrogen (N) assimilation of plants, more particularly in the humid tropical region where soils are deeply weathered and have poor electrochemical properties. On acidic soils of Haut-Katanga, DR Congo it is not clear how application of Bradyrhizobium japonicum affect N allocation among soybean organs (e.g., leaves, seeds). Here, we assessed the effect of Bradyrhizobium japonicum on N content of soybean leaves and seeds cultivated on acidic soils. We conducted two experiments using a split-plot setup with three replicates in two sites (i.e., Kasapa and Kanyameshi). The main plots included three strains of Bradyrhizobium plus the uninoculated control and four varieties of soybean in the subplot. We found that the different strains of Bradyrhizobium did not induce significant effects on the total N content of soybean leaves and seeds in the Kasapa site. In contrast, Bradyrhizobium affected significantly the N content of soyb...

A series of trials on planting dates on bean has been carried out for three years (2009, 2010 and... more A series of trials on planting dates on bean has been carried out for three years (2009, 2010 and 2011) in 4 locations of Democratic Republic of Congo (DRC) in prone drought zones production ; Kipopo , Mulungu, Luvungi and Kibututu. Four genotypes were planted at six different dates in a Split Plots Design in which bean genotypes were considered as primary factor and planting dates as secondary factor. The aim of this study was to determine the optimum date for planting and assess the yield performance and micronutrients content of bean. Results revealed significant differences between planting dates, genotypes, sites and years and their interaction. Across locations and years, CodMLB001 planted on 22 nd January, 29 th January and 5 th February; increased yield respectively up to 2.7 %, 15.8 % and 13.4 % above the yield of bean planted on 15 th January. The genotype RWK 10 planted on 22 nd January, increased the yield up to 6.3 % above the same genotype planted on 15 th January. However, Hm 21-7 and the local check; were the most stable at different planting dates across locations and years. In general, the postponement of planting by delaying the early planting for one or two weeks and by bringing forward the late planting allows an increase on yield but this situation vary with the rainfall and soil properties in each site .This describe a better adaptation and plasticity of these bean genotypes to the variation of the planting dates and as well as other environmental conditions.

Afin d’ameliorer la lutte contre l’helminthosporiose du mais ( Helminthosporium maydis Y. Nisik. ... more Afin d’ameliorer la lutte contre l’helminthosporiose du mais ( Helminthosporium maydis Y. Nisik. & C. Miyake) a l’Est de la republique democratique du Congo (RDC), une evaluation de la resistance de trois varietes dont PVASYN et SAM4 VITAA (biofortifees) et BAMBOU (locale) a ete effectuee. L’essai etait mis en place dans un tunnel plastique en split plot combinant deux facteurs notamment l’inoculation (avec et sans pathogene) et l’effet varietal. Au total, 6 traitements etaient etablis dans chaque bloc faisant un total de 18 pour toute l’experimentation. La variete PVASYN a affiche une bonne resistance a l’helminthosporiose (incidence et severite faible) comparee a la variete SAM4VITAA et au temoin (BAMBOU). La SAM4VITAA a ete plus sensible a l’helminthosporiose. La variete locale (Bambou a realise un bon rendement surtout sur les plantes non infestees. La variete PVSASYN a presente une tolerance au developpement de la maladie et a presente des resultats satisfaisants et serait la p...

Faced with climatic, soil deterioration and technical constraints, bean production is low and ver... more Faced with climatic, soil deterioration and technical constraints, bean production is low and very variable in space and time. The selection of the best performing genotypes is faced with the presence of significant interaction between genotype x environment which significantly reduces effectiveness. An experiment following a randomized complete block design was conducted during two cultural seasons B2012 and B2013 in 3 edaphoclimatic characteristic sites in eastern Democratic Republic of Congo: Luvungi, Kashusha and Bitese and aimed to analyze the interaction genotype x environment yield of six biofortify bean genotypes, in order to identify the best in these ecosystems. Germination rate, day number to the flowering stage, days number to the physiological maturity stage, harvested plants number, pods per plant number, number of seeds per pod, weight of 100 seeds were observed. The interaction was analyzed using AMMI model and typological with by the Chord similarity indices. On one...

African Journal of Agricultural Research, 2016

Cuscuta campestris (field dodder) is an obligate shoot parasite weed causing growth inhibition an... more Cuscuta campestris (field dodder) is an obligate shoot parasite weed causing growth inhibition and yields losses of many agricultural crops worldwide. C. campestris is often observed in many crops; among is cassava in the eastern part of the Democratic Republic of Congo. In 2014, subsistence farmers realised that it may be responsible for yield reduction of many crops. This study evaluates the effect of C. campestris on the yield of a bio-fortified cassava. Six quadrats were installed in an existing 2 ha cassava field. In each quadrat, cassava plants infected by C. campestris were marked while in the same quadrat all other non-infected plants were controls. Yield parameters of 40 infected plants were compared to parameters from 43 uninfected plants. At the harvest time, the number of tubers by plant, fresh weight of tubers, tuber diameter, tuber length, and tuber dry weight were measured. Treatment means were separated using the least significant difference test at 5% probability le...

American Journal of Agricultural and Biological Sciences, 2019

This study was conducted on acidic soils in two different agroecological zones in order to evalua... more This study was conducted on acidic soils in two different agroecological zones in order to evaluate the influence of Bradyrhizobium japonicum on soil chemical properties in the Upper-Katanga (DR Congo). A split plot design with three replicates was installed in two sites. The main plots included three strains of Bradyrhizobium japonicum plus the untreated control and four soybean varieties in subplots. Seed inoculation was performed in the shade and sown on the same day. The results showed that Bradyrhizobium strains did not influence soil pH, Nitrogen, C: N ratio and organic matter neither at flowering nor at harvest. However, total and available phosphorus (P) were influenced by the different treatments at harvest in Kanyameshi site. The strain S1 induced the highest average of total and available P whereas, the strain S2 had the lowest value of total P, and S3 induced the lowest content in available P. By comparing the timing of soil sampling at flowering and harvesting, the Student test revealed significant differences in pH, total nitrogen, C: N ratio, organic matter and available P indicating that soil chemical properties was improved at harvest and are only partially influenced by applied Bradyrhizobium strains.

International Journal of Scientific Research and Management, 2019

In the face to low fertility existing in tropical soils, farmers in the Eastern Congo need cost-e... more In the face to low fertility existing in tropical soils, farmers in the Eastern Congo need cost-effective Soil Fertility Management (SFM) technologies to address the problem of low crop yields, which are particularly pronounced in grain legumes. This study assessed the financial returns associated with different SFM trials conducted on common bean grain in eastern Congo. Benefit-cost ratio analysis based on experimental data identified organic and mineral fertilizer technologies for common bean production. Two fields experiment were conducted at the Crop Research (INERA/Mulungu) and Walungu district (Ikoma). The experimental design was split plot with four replications. The main plot was the different time of application (2, 3 and 4 weeks after sowing) and the sub plot were the organic and inorganic fertilizers (40 N kg ha-1, 60 P2O5 ha-1 and 5 t Fumier ha-1) compare to an absolute control (0:0 N:P kg ha-1 and 0 t manure ha-1). The RWR21-54 was the variety used. N was applied as ure...

Journal of Experimental Agriculture International, 2019

Cowpea can fix atmospheric nitrogen through symbiotic association with indigenous rhizobia but un... more Cowpea can fix atmospheric nitrogen through symbiotic association with indigenous rhizobia but unfortunately, the amount of N2-fixed is usually not enough due to the presence of ineffective or low numbers of indigenous rhizobia in the soil. The effect of Zinc applications on growth, nodulation and nutrient uptakes of cowpea was investigated during the major and minor cropping seasons (2016). Cowpea seed varieties were treated to foliar spray with three different rates of Zinc sulfate (0, 5 and 10 kg Zn ha-1) at 3 and 5 weeks after sowing. The split plot design was used for both cropping seasons. This study shows that the supply of Zn fertilizer applications did not affect growth and nodulation in 2016 major and minor cropping seasons. The application of the 5 kg Zn ha-1 led to better cowpea production and greatly improve the quantity (haulm and grain yield) and quality (NPK content and crude protein) of cowpea in both haulm and grain. The Zinc fertilizer significantly enhanced N2-Fi...

African Journal of Food, Agriculture, Nutrition and Development, 2017

HarvestPlus and its partners have successfully developed and delivered iron bean varieties to mor... more HarvestPlus and its partners have successfully developed and delivered iron bean varieties to more than one million farming households in Rwanda, DRC, and Uganda to help combat the adverse health effects of iron deficiency widespread in these countries. Focusing primarily on Rwanda, this chapter summarizes the country, nutritional and consumer background, crop development, release, and delivery of iron bean varieties and synthesizes lessons learned and future challenges.

American Journal of Plant Nutrition and Fertilization Technology, 2015

The search for increased productivity of common bean in Upper Katanga by controlling weed justifi... more The search for increased productivity of common bean in Upper Katanga by controlling weed justified the study conducted on the site of Institut National Pour l'Etude et la Recherche Agronomiques (INERA, Kipopo) to Kaniameshi during the 2014-2015 cultural season. The test was carried according to a split-plot arrangement with three repetitions. Varieties constituted the main factor CODMLB001, RCB262, HM21-7 and CODMLB007 while in manual weeding; 30 and 60 DAS, unweeding and chemical weeding (3 L haG 1 Paraquat+3 L haG 1 Atrazine) spread 10 days before seedling were the secondary factor. The results showed a positive varietal effect of CODMLB007 on the yield (0.43 t haG 1). Managements modes strongly influenced all the observed parameters, but the high seed yield (0.55 t haG 1) was performed in row plots manually, against a slight gap (0.51 t haG 1) to the chemically treated plots and finally a large gap (0.04 t haG 1) for unweeded plots. No any interaction was observed for yield after combination of two factors. Furthermore, the adventitious flora was dominated by the Cyperus rotundus species common to all plots with a max relative frequency (12). This could be explained by biology, the action of management methods and the long monoculture, however, the active matter were applied had a short persistence period in soil. Manual weeding induced awakening dormant buds or by splitting tubers or suppression of stripping, C. rotundus competitor had a high impact opposite the culture and other weeds. Therefore, it would be interesting to advocate a selective post-emergence treatment catching up or combine manual weeding treatment before seedling.

Journal of Applied Biosciences, 2014

Influence de la fertilisation a base des déchets humains recycles , des engrais minéraux et de le... more Influence de la fertilisation a base des déchets humains recycles , des engrais minéraux et de leur combinaison sur le comportement de maïs 6500 Influence de la fertilisation à base des déchets humains recyclés, des engrais minéraux et de leur combinaison sur le comportement de 3 variétés de maïs (Zea mays L.