Substitution of inorganic nitrogen fertilizer with organic nitrogen and its effect on soil nitrogen and maize biomass in western Kenya
February 2026
The effect of partial substitution of urea with Calliandra calothyrus or maize stover on soil nitrogen, nitrogen uptake and maize biomass was studied in the long rains (LR) and short rains (SR) seasons in western Kenya. Two organic N sources; calliandra or maize stover were combined with urea in the following organic: urea ratios 0:0, 100:0, 80:20, 60:40, 40:60, 20:80, 0:100 so as to supply 75 kg N ha-1. Soil...
Modeling maize growth parameters and potential yields in Chókwè, Mozambique, with a soil water balance approach
February 2026
The Soil Water Balance (SWB) model, a generic crop growth and irrigation scheduling model, was used to simulate the grain yield of maize at Chókwè district. A database of maize growth parameters was generated from literature, calculation, and estimation, and included in the model. Weather, soil, and crop parameters from the best-performed treatment were used to calibrate and validate the SWB model. The...
Assessment of the diversity of aggressiveness of Striga hermonthica ecotypes: Reactions of pearl millet cultivars (Pennisetum glaucum) in Niger
February 2026
Striga poses a serious threat to agricultural production in Niger. A mission of prospecting and collection of Striga ecotypes and millet varieties was carried out in the 5 regions of Niger in fields heavily infested with Striga. The infestation of striga has reached a very high level, and the parasitic situation is endemic. The objective of this study was to evaluate the aggressiveness of the five ecotypes of...
Assessing irrigation water quality at three representative vegetable production sites in Cotonou, Southern Benin, West Africa
February 2026
The irrigation of vegetables with contaminated water poses public health risks, yet systematic monitoring remains critically limited across West Africa. This study provides an updated assessment of irrigation water quality in urban vegetable farms in Cotonou, Benin. Water samples from three representative sites were analyzed in 2023 for their physicochemical and bacteriological characteristics following French...
Evaluation of cowpea varietal response to bacterial blight in Burkina Faso: Implications for breeding and integrated disease management
January 2026
Cowpea bacterial blight, caused by Xanthomonas citri pv. vignicola (Burkh.), is increasingly becoming a major constraint to cowpea productivity worldwide. The use of genotypes that are resistant and/or tolerant to the pathogen is an effective means of controlling the disease. In this study, we evaluated the response of 12 cowpea genotypes of Burkina Faso to three strains (CFBP 7111, CFBP 7112, and CFBP 7113) of X. citri...
Impact of climatic hazards on crop yields in Senegal: The case of groundnuts
January 2026
Senegal, a Sahelian country in West Africa, faces growing challenges from climate change threatening its agricultural sector. This study analyzes the impact of climatic hazards on agricultural yields in Senegal, focusing on groundnut crops. Using climate and agricultural data, the analysis examines temperature variations, rainfall irregularities and extreme weather events. Two modeling approaches, Poisson regression and...
Effects of vermicomposting on the nutrient quality of organic fertilizers derived from organic waste: A systematic review
January 2026
Vermicomposting is an effective technology for managing organic waste, transforming waste into nutrient-rich fertilizers while enhancing soil fertility and promoting sustainable agriculture. This study was carried out following the PRISMA 2020 guidelines, analyzing improvements in nutrient compositions, types of earthworm species, influence of organic waste, and the agronomic advantages of applying vermicompost....
Climate-smart livestock feeding strategies for smallholder farmers in Uganda: A review in the context of climate change
January 2026
Climate change is affecting the livestock sector in Uganda by reducing feed quality and availability. In response, various feeding initiatives have emerged to enhance the sector’s productivity and sustainability. However, the effectiveness of these initiatives remains inadequately documented, necessitating a systematic review to provide lessons for the future. This review aimed to compile existing literature on...
Farmer-led innovation among small-scale farmers in the Harry Gwala District Municipality, KwaZulu-Natal
January 2026
This study explores farmer-led innovation among small-scale farmers in the Harry Gwala District Municipality, KwaZulu-Natal. A qualitative approach was adopted to ascertain the innovative strategies used by small-scale farmers on their farms. Semi-structured interviews, focus group discussions (FGDs), and participant observation were used to collect qualitative data from 43 diverse participants in the Harry Gwala...
Evaluation of Fonio (Digitaria exilis Stapf) working collection in Mali
December 2025
Fonio (Digitaria exilis Stapf) represents one of the main foods in hunger season and a food for diversification. In Mali, fonio is mainly grown in Sahelian and northern Guinean zones. This study aims to identify ecotypes adapted to those areas in the context of climate change. Twenty-eight ecotypes were tested at four sites of the Institute of rural economy using fisher block design with three replications. Day to...
Gene action of drought tolerance traits in pearl millet (Pennisetum glaucum [L.] R. Br.) seedling
December 2025
Early-stage drought is a major constraint that reduces pearl millet productivity in sub-Saharan Africa. To support the development of drought-resilient varieties, this study investigated the genetic control of early seedling drought tolerance using generation mean analysis on two contrasting crosses: IP-18062 × IP-8426 and IP-4927 × IKMLS1 18018. Six generations (P?, P?, F?, F?, BC? for each cross) were...
Agronomic performance and morphophysiological characterization of common bean genotypes in the western region of Haiti
December 2025
Common bean is one of the world’s most important food legumes and provides both nutritional security and income for low-income families in Haiti. However, common bean production in Haiti is constrained by numerous diseases and insect pests. These challenges, combined with the country’s diverse agro-ecological zones, highlight the need to develop widely adapted bean varieties with strong biotic and abiotic...
Agronomic and socio-economic comparison of cherry tomato and Petomech in Southern Benin: A value-addition opportunity for smallholder farmers
December 2025
This study aimed to evaluate the introduction of a high-value tomato variety, Cherry tomato, into vegetable production systems in southern Benin. Two complementary components were conducted: (i) a socio-economic survey involving thirty tomato producers and five major supermarkets to assess knowledge and market opportunities for Cherry tomato, and (ii) two agronomic trials under organic production. Survey results...
Assessment of the prevalence of major mango diseases and farmers’ perceptions in Western Burkina Faso
November 2025
Mango production in Burkina Faso is severely constrained by anthracnose, bacterial black spot, and decline. From April 2024 to September 2025, this study assessed farmers’ perceptions and the prevalence of these diseases in western Burkina Faso. A survey was conducted among 200 farmers in the provinces of Kénédougou, Comoé, Houet, and Léraba. Field assessments in 100 orchards were...
Modelling price volatility of three major cereals in the Northern Region of Ghana
November 2025
Globally, cereals are characterised by high price volatility due to climatic factors, infrastructure, and market behaviours. Hence, examining the price volatility of cereals is needed, particularly in Northern Ghana, which is regarded as the poorest region. Though several studies have attempted to model price volatility, there is no study that has employed a composite model of AutoRegressive Integrated Moving Average...
Assessing the effect of perceived value on time commitment to pigeon pea-based climate-smart soil technologies in Greater Lira
November 2025
Climate change presents a significant threat to global food systems and smallholder farmers' livelihoods. Climate-smart agriculture (CSA) offers promising solutions; however, implementing pigeon pea-based climate-smart soil technologies (CSSTs) requires additional time investments for activities like biochar production, preparing planting basins, and applying fertilizers. This potentially affects time available for...
Flowrate control and pump performance in Unmanned Aerial Systems (UAS)-based variable-rate spraying
November 2025
Unmanned Aerial Systems (UAS) are increasingly used in precision agriculture for spraying operations, yet their effectiveness is constrained by limited battery capacity and the need for precise flowrate control. This study evaluated two UAS spraying configurations, comparing their energy use, flowrate performance, and predictive modelling capacity. System 1, operating with dual pumps, consumed less power (84 W) and...
Effects of cocoa bean shells on the growth and yield of plantain (Musa spp. cv Corne 1)
November 2025
In Côte d’Ivoire, plantain productivity remains below the potential of cultivated varieties, partly due to the limited use of mineral fertilizers, whose high cost and poor availability are major constraints. This study assessed the potential of cocoa bean shells as an organic fertilization alternative in plantain cultivation. The experiment was conducted in Azaguié, southern Côte d’Ivoire,...
Production parameters of Nile Tilapia (Oreochromis niloticus) fry fed on two standard feeds raised in floating cages on the Quality Agro-Fish Farm dam (Togo)
November 2025
The study was conducted to improve the productive performance of Nile Tilapia (Oreochromis niloticus) fry reared in the Quality Agro Fish Farm (QAFF) dam in southern Togo. The fry were fed for 42 days with a Biomar feed containing 47% protein compared to the Raanan control feed (40% protein). Six cages of 1 m³ were each stocked with 350 fry of 3.04 ± 0.08 g in two treatments and in triplicates. The fish were...
Correlations between soil physicochemical properties and the incidence and severity of Fusarium oxysporum f. sp. elaeidis in oil palm plantations of Cameroon
October 2025
Oil palm (Elaeis guineensis Jacq.) is a key cash crop in Cameroon but is severely dreaded by vascular wilt disease caused by Fusarium oxysporum f. sp. elaeidis (FOE). This study evaluated how soil physicochemical properties influence the incidence and severity of FOE across four Cameroon Development Corporation (CDC) estates: Bota, Mondoni, Debundscha, and Idenau. Twelve bulked soil samples were collected, processed and...
Impact of Faidherbia albida (Delile) A. Chev. density on soil organic carbon, soil nitrogen, crop yields, and rural livelihoods in Northern Cameroon’s Agroforestry parklands
October 2025
Trees in parklands can interact with crops positively or negatively based on species, environment, and management. Faidherbia albida is an agroforestry tree that can improves soil fertility and provides ecosystem services beneficial to smallholder farmers. This study examined the effects of F. albida tree density and pruning on soil organic carbon (SOC), total nitrogen (STN), crop yields, and rural livelihoods in North...
Evaluation of the efficiency of agro-forestry waste on the growth and yield of traditional edible mushrooms in Southeastern Nigeria
October 2025
The present study was designed to evaluate the efficiency of producing different traditional edible mushrooms (Lentinus squarrosulus, Pleurotus tuberregium, and Tricholoma robustum) from Southeastern Nigeria using different agro-forestry wastes. Standard procedures were used to culture the mushrooms on sawdust (SD), groundnut pod shells (GPS), coconut fibre (CF), empty fruit palm bunch (EFPB), rice husk (RH), and...
Effects of water stress on yield and its components and physiological traits in groundnut
October 2025
Groundnut (Arachis hypogaea L.) is an important food legume grown worldwide and is a great source of protein for humans and animals. Water stress is the main abiotic constraint affecting groundnut production. 204 groundnut breeding lines were evaluated under water stress and well-watered conditions to assess the effects of water stress on yield and the agro-physiological traits. The study was conducted at the...
Evaluation of cowpea genotypes for water stress tolerance in the Sudano-Sahelian zone of Mali
October 2025
Cowpea (Vigna unguiculata L. Walp) is a leguminous crop widely grown in Mali. Its grains are used for human consumption and the fodder for animal feed. Despite its importance, cowpea grain yield remains low, with around 500 kg/ha, due mainly to drought. To overcome this constraint, it is relevant to screen cowpea varieties that are tolerant to water stress. The aim of this study was to identify drought-tolerant...
Variance components and genetic parameters for test day milk yield of Sahiwal cattle using a multi-trait random regression model
October 2025
Selection for milk yield in dairy cattle aims at improving the lifetime milk yield of cows. Therefore, knowledge of the relationship between test day milk yield (TDMY) in lactation one and later lactations is necessary. The objective of this study was to estimate genetic parameters for TDMY in Sahiwal cattle. The study was carried out at the National Sahiwal Stud (NSS) in Naivasha. 8404, 6446, and 4524 TDMY records from...
Plant population and grain yield potential of popcorn
October 2025
Popcorn cultivation in southern Brazil is still underdeveloped. This study aimed to study the population of plants of two hybrids (H) of popcorn on the main yield components. The research was conducted in the experimental area of the Department of Agronomic and Environmental Sciences of the Federal University of Santa Maria, Frederico Westphalen Campus during the 2019/2020 harvest. The experimental design was randomized...
Assessing crop rotation as a climate-smart agriculture strategy on sandy soils under seasonal rainfall variability
October 2025
Seasonal rainfall variability influences crop yield, and the climate-smart agriculture (CSA) strategy of crop rotation is no exception. This study assessed crop rotation as a CSA strategy on low fertile sandy soils in the North-Western Free State, South Africa, with a focus on the influence of rainfall variability. A field trial was conducted where rotational systems including maize, soybean and cover crops were...
Perceptions and adaptation strategies: The role of climate information services among farmers in Sikasso, Mali
October 2025
Changes such as an increase in temperature, poor rainfall, increased flooding, and extreme weather events affect food crop production and compromise livelihoods. These constraints call for improving rural livelihood and food security. Farmers must have access to relevant and reliable climate information and services (CIS). The main objective of the study is to contribute to the resilience improvement of rural...
Diallel analysis of genetic determinism for agro-morphological traits, ?-carotene, and dry matter content in 216 sweet potato genotypes from crosses of five parental varieties in Burkina Faso
October 2025
This study aimed to investigate the mode of inheritance of key traits in sweet potato, specifically root tuber yield (RTY), β-carotene content (β-CAR), and dry matter content (DMC). A total of 216 genotypes derived from crosses among five parental lines were evaluated using a diallel mating design without selfing. Field trials were conducted during the 2024 rainy season at two sites in Burkina Faso: CREAF/K in...
Effects of moisture content and extraction methods on tiger nut oil extraction yield
September 2025
Tigernut is a high-quality nut that contains lipids, protein, starch, fiber, vitamins, minerals and bioactive factors. Despite the high qualities and advantages of tigernut oil, there are limited or no information on the moisture content and extraction methods needed for the optimum extraction of tiger nut oil. The aims of this work is to extract tiger nut oil using chemical and mechanical method, studying the effect of...
Effect of substrate on cocoyam (Xanthosoma sagittifolium L. Schott) seedling production by PIF method and analysis of yield variables in comparison to conventional seeds
September 2025
Cocoyam production is hindered by the scarcity of seedlings in both quantity and quality for producers. This study seeks to evaluate the influence of Tithonia diversifolia on cocoyam seedling production using the PIF technique and the field performance of these seedlings compared to conventional seeds. Seedlings were established in propagators using white sawdust under four treatments: T. diversifolia fermented leaves...
Control of sweetpotato weevil (Cylas puncticollis Boh) through cuttings disinfection using seed oils from neem (Azadirachta indica (A. Juss)) and Carapa procera (de Candolle)
September 2025
In Burkina Faso, the weevil (Cylas puncticollis Boh) causes significant damage to sweetpotato in the field, especially when cuttings used originate from infested fields. In order to break the chain of infestation, cutting disinfection before transplanting is usually recommended. This study aims to evaluate the efficacy of seed oil from Azadirachta indica and Carapa procera in disinfecting sweetpotato cuttings against C....
Assessment of feed ingredients prices and production capacity from 2018–2022 in Nigeria
September 2025
A survey of feed ingredients was carried out in the six geopolitical zones to determine the availability, abundance, and effectiveness of these ingredients as considered for incorporation into fish feed for aquaculture production. A total of 516 well-structured questionnaires were administered to 228 ingredient producers and 288 ingredient sellers in the selected local government areas (LGAs), urban and rural markets,...
Cashew agronomic practices for research and improving productivity in Tanzania
September 2025
Improvement of cashew yield is triggered with application of appropriate cashew agronomic practices and related techniques. Nevertheless, farmers still lack awareness on the use of these appropriate agronomic practices in cashew. Therefore, this narrative review aimed to update the current status of agronomic practices and research needs in cashew subsector. Review details on various appropriate agronomic practices...
The influence of FOMI fertilizers on the yield and quality of flue cured tobacco (Nicotiana tabacum L.) in Tanzania
September 2025
Eight levels of fertilizers were evaluated in a field experiment laid down in a randomized complete block design (RCBD) with four replications to investigate the effect of FOMI fertilizers on the yield and quality of flue-cured tobacco in 2023 to 2025 and 2024 to 2025 cropping seasons. Data collected includes leaf area, dry leaf yield and grade indices. Data were analysed using STATISTICA 8th edition. Results indicates...
Enhancing farm-level yield and revenue using TELA® maize in Nigeria
September 2025
After the commercialisation of TELA maize hybrid SAMMAZ 75T, a drought-tolerant and insect-resistant variety introduced in Nigeria in 2024, this study is the first to evaluate its benefits among farmers in Nigeria. A total of 134 plots covering the four major agroecologies across six states including derived Savannah (Oyo), Northern Guinea Savannah (Kaduna), Southern Guinea Savannah (Abuja, Nasarawa, Niger), and Sudan...
Abiotic and biotic factors affecting sugarcane yield in Gihofi Industrial plantations, Burundi
September 2025
Although it is produced at only one location, Gihofi, cane sugar is a strategic product for Burundi. However, data from recent decades have shown that expanding plantations has not been accompanied by an increase in yields. In order to determine the limiting factors of sugarcane yield, data on soil, pests, diseases and management practices were collected from 65 representative plots. Soil analysis was carried out at the...
Types of subsidies for palm nuts processing into red oil in South-East Benin
September 2025
Access to in-kind subsidies and financing remains limited, despite the positive impact of subsidies on women's entrepreneurship in developing countries. This study aims to characterize women's use of subsidies and financing sources in processing palm nuts into red oil in southeastern Benin. A survey of 312 randomly selected women palm nut processors in the communes of Sakété, Avrankou, and Ifangni...
Climate change information access among rural women farmers in Ghana
September 2025
Climate information plays an important role in providing Early Warning Systems and increasing awareness of building capacity and disaster preparedness for a changing climate. Although women farmers in semi-arid environments are in dire need of access to climate information and support services, studies indicate that these women have yet to experience the full benefits of climate research, information, and support...
Soil carbon sequestration in Niger: A review
September 2025
Soil carbon sequestration is increasingly recognized as a key component in addressing climate change and restoring degraded lands, particularly in semi-arid regions like Niger. Characterized by low soil organic matter, extensive land degradation, and variable rainfall patterns, Niger faces significant ecological challenges. However, the country possesses considerable potential for enhancing soil organic carbon (SOC)...
Agrophysiological performance of five rubber tree promising clones assessed in Southwestern Côte D’ivoire
August 2025
The study was conducted with the aim of enriching the list of clones extended in Côte d'Ivoire. Thus, the large-scale behavior of five rubber tree genotypes selected from small-scale clone fields was assessed. The methodology consisted comparing the agronomic behavior of these five genotypes with that of the reference control GT1 in a Fisher block design with 4 repetitions for 18 years. The trees were...
Evaluation of agronomic performances and participatory selection of productive onion varieties under cool dry conditions in Burkina Faso
August 2025
Allium cepa is one of the most produced vegetables in Burkina Faso. It holds the first place with an annual production of 362.480 tons. Despite its proven socio-economic importance, there are very few varieties adapted to the local conditions of Burkina Faso. The present study was initiated by the CRE-FL to contribute to the increase of the varietal supply of tomatoes in Burkina Faso. A total of six varieties, including...
Assessment of the synergistic effectiveness of aqueous extract of plants (Sarcocephalus latifolius, Curcuma longa, Azadiractha indica) and soil solarization on some growth, yield and disease parameters of onion (Allium cepa L.) in the field (Far-North Cameroon)
August 2025
To increase onion yield in the Far North of Cameroon using environmentally friendly methods, plant responses to solarization and field application with aqueous neem seeds extracts, Sarcocephalus latifolius roots and Curcuma longa rhizomes extracts were analyzed during the 2022 and 2023 cropping seasons. The experimental design was a completely randomized block with 9 treatments, each of which was triplicated: negative...
Do donor funded projects enhance farmers innovative performance for productivity improvement? Evidence from capacity building interventions in Northern Ghana
August 2025
This paper examines the extent to which farmers’ innovative performance gets enhanced or otherwise through participation in targeted donor-funded capacity building (CB) project interventions in northern Ghana, and the implications for agricultural productivity improvement. Data were collected from 314 northern Ghana farmers, through the mixed method approach, involving the use of focused group discussions,...
Morphological characterization of Coffea canephora Pierre gene pools from the phenotype: Application to the diagnosis of genetic background in plantations
August 2025
In the collection and production areas of Côte d'Ivoire, the genotypes of the Coffea canephora coffee gene pools are designated by numbers. This method of designation often leads to confusion, as the same genotypes may have been crossed. To solve this problem, several techniques can be used to evaluate and analyze each genotype, including morphological, enzymatic, and molecular characterization. Among these...
Management of soil surface roughness and plant density affecting harvest losses of common bean cultivars
August 2025
The management of soil surface roughness, sowing density, and cultivar characteristics can impact productivity and grain losses in common bean harvests. This study aimed to determine the effect of soil rolling immediately after planting and seeding density on grain yield and harvest losses of two common bean cultivars. A field experiment was conducted using a randomized complete block design with a 4×2×2...
Evaluation of the productivity of two improved species of millet (Pennisetum glaucum (L.) R. Br.) in a context of cultural updating at Ferkessédougou
August 2025
Millet (Pennisetum glaucum (L.) R. Br.) is a resilient crop and healthy food. In Côte d'Ivoire, it has been confronted with numerous constraints of various kinds, notably low production. To achieve this objective, a study was carried out to update the sowing calendar in order to optimize production. To this end, an on-station test was carried out on two millet species (FM16 and FM78) with four sowing dates...
Reviving Lablab (Lablab purpureus (L.)) with agronomically superior, market-attractive accessions in northern Tanzania
August 2025
Lablab (Lablab purpureus (L.)) has substantial nutritional, agronomic, and cultural importance in Africa, yet remains largely underutilized. The study investigated the adaptation potential of 27 lablab accessions to northern Tanzania cropping systems through agronomic and consumer-preference screening. Early and late-season growth, relative maturity, pest susceptibility, grain yield, and consumer preference were...
Indigenous tillage and water conservation practices to mitigate the adverse effects of climatic change in Northern Ghana
August 2025
Northern Ghana, situated in the dry savannah zone of Ghana, faces significant susceptibility to climate change, leading to adverse impacts on crop production. This study investigates the utilization of indigenous knowledge to alleviate the detrimental effects of climate change on millet (Pennisetum americanum L.) and sorghum (Sorghum bicolor) cultivation in the region. Through interviews with 450 randomly selected...
An assessment of pesticide residues in tomatoes sold in selected markets in Zimbabwe
August 2025
This study was conducted to evaluate pesticide residue levels in locally produced and sold tomatoes in Zimbabwe. A total of 91 tomato samples were randomly collected from horticultural and retail markets and analysed for pesticide residues using Gas Chromatography-Tandem Mass Spectrometry and Liquid Chromatography-Tandem Mass Spectrometry. The samples were obtained from Harare Metropolitan, Mashonaland West, Mashonaland...
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