Advances in Agriculture
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Acceptance rate5%
Submission to final decision134 days
Acceptance to publication20 days
CiteScore1.800
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Response of Garlic (Allium sativum L.) Yield to Combined Biochar, Lime, and Inorganic-Fertilizer Rates in the Case of Gimbi District, Western Ethiopia

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Advances in Agriculture publishes research on the cultivation of soil and crops, and the rearing of livestock. Its focus is on new methods and technologies for improving agricultural processes, increasing yield, conservation and breeding.

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Advances in Agriculture maintains an Editorial Board of practicing researchers from around the world, to ensure manuscripts are handled by editors who are experts in the field of study.

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Research Article

Assessment of Irrigation Water Management Performance Indicators and Mitigation Measure in Arba Minch Irrigation Scheme, Ethiopia

Irrigated agriculture has been practiced in Ethiopia for several centuries and performance of scheme was poor due to inadequate irrigation water management practices. This study was conducted to evaluate irrigation water management indicators and to suggest possible mitigation measure for Arba Minch irrigation scheme. Primary data such as field and canal flow, soil moisture content, and canal slope were measured on field and soil physical properties were evaluated in the laboratory. Utilizing climate and crop data, the CropWat 8 model was employed to estimate seasonal crop water requirements, while furrow and border irrigation dimensions were designed using SURDEV software. The average field application efficiency (30%), storage efficiency (76%), percolation losses (66%), and overall efficiency (25%). The average relative water and irrigation supply in the scheme were 1.7 and 3.3, respectively. The mean water and land productivity of the wheat, onion, pepper, watermelon, and maize of the Arba Minch irrigation scheme were 0.1 kg/m3 and 0.5 ton/ha, 0.9 kg/m3 and 4.9 ton/ha, 1.5 kg/m3 and 6.2 ton/ha, 0.5 kg/m3 and 0.6 ton/ha, and 0.9 kg/m3 and 4.2 ton/ha, respectively. Watermelon had the highest net returns per hectare ($1,693), followed by onion ($1,829), pepper ($1,221), and wheat ($1,057). In terms of net returns per cubic meter of water, onion led with $0.3, followed by watermelon ($0.2), pepper and wheat with the lowest at $0.1 (top of form). The average value conveyance efficiency, water surface elevation ratio and manning coefficient were 82%, 42%, and 0.06%, respectively. The existing, and corrected length were 843 and 135 m (border irrigation) and 20 and 595 m (furrow irrigation), respectively. In conclusion, the Arba Minch irrigation scheme was very poor performance and low efficiency. To address these issues, farmers and irrigation authorities implement improved irrigation water management practices. Policymakers should promote sustainable water management and explore crops with higher water productivity for overall scheme improvement.

Research Article

Agricultural Sustainability in a Mining Context: An Empirical Inquest in Hemgir Block of Odisha, India

Agricultural sustainability plays an important role in improving air, water, soil, and the general environment around the world. The concept of sustainability depends primarily on economic, environmental, and social aspects. These aspects vary by region and type of crop grown, and the environment in which it is grown, so they usually work together to standardize agricultural sustainability. Mining has widespread effects on agriculture especially in the Hemgir block of Odisha, India, which has serious implications for agricultural sustainability, especially for small and marginal farmers. Current research involves designing a structural equation model (SEM) to assess the relationships between indicators that measure agricultural sustainability in the Hemgir block. Primary data were collected from 112 paddy farmers in Hemgir block to assess environmental, social, and economic interactions. The study found that there was a significant and positive correlation between environmental and economic indicators. One of the important things to learn from this study is to help stakeholders and the agricultural sector to understand the interrelationships between specific indicators. The government also needs to emphasize the environmental aspect and facilitate social and economic-focused handholding support.

Research Article

Response of Bacterial Community Structure in the Bulk Soil and Rice Straw Residues under Different Crop Rotation Systems

This study investigated the effect of upland crop rotation on soil bacterial community in bulk soil and rice straw residues in the alluvial soils. Soil samples and rice straw residues in two crop rotation models including triple rice and rice-upland crops were collected for incubation under anaerobic and aerobic conditions. Data were analyzed from Denaturing Gradient Gel Electrophoresis band patterns. The results showed that the composition and diversity of communities colonizing the rice straw residues differed from those inhabiting the bulk soil. The bacterial community composition and diversity were only moderately affected by rice straw residues in the bulk soil. Especially, this study indicated that the composition of the bacterial community associated with the bulk soil and rice straw residues was dynamic in two incubation conditions (aerobic or anaerobic) and the different crop rotation models. The findings of this study demonstrated that the bacterial diversity was not affected by the difference in continuous paddy rice cultivation compared to the upland crop rotation system.

Research Article

Arbuscular Mycorrhizal Fungi Associated with Myrciaria dubia in the Amazonia Region, Peru

Myrciaria dubia (Kunth) McVaugh (camu-camu) is a shrub native to the Amazon region that produces fruits with a high content of vitamin C and various bioactive compounds, making it a functional food with antioxidant, anti-inflammatory, and antimicrobial properties. However, it is unknown which microorganisms are associated with its root system and can influence its growth and productivity. Arbuscular mycorrhizal fungi (AMF) are associated with most plants and are essential for their establishment, survival, and productivity since they facilitate their nutrition, increase water absorption, and improve soil structure. Although the AMF association is already known in some species of Myrciaria, no report is available on its association in M. dubia. This study presents, for the first time, the symbiotic association between AMF and M. dubia from the INIA San Roque experimental station located in the Amazon region, Peru. For the morphological and molecular analyses of the AMF, samples of rhizospheric soil and roots from two native accessions of the National Germplasm Bank of M. dubia were collected. Eighteen AMF morphospecies were identified in rhizospheric soil, belonging to nine genera Acaulospora, Ambispora, Entrophospora, Diversispora, Gigaspora, Glomus, Paraglomus, Funneliformis, and Sclerocystis, being the first one the most frequent. The roots of M. dubia showed high colonization by AMF (mean = 91%), and characteristic structures of arbuscular mycorrhizae, such as vesicles, hyphae, and arbuscules, could be observed. Likewise, the molecular analysis detected the presence of genetic material (rDNA) corresponding to AMF in the roots of both accessions. Our results evidenced the symbiotic association between AMF and M. dubia, which encourages further investigation of the functional potential of these microorganisms in this economically crucial agricultural plant in Peru.

Research Article

Response of Carrot (Daucus carota L.) to Supplementary Irrigation under Rain-Fed Agriculture at Jimma and Gera, Jimma Zone, South West Ethiopia

Evaluating supplementary irrigation under rain-fed agriculture could help to determine the amount of water depth for water management and increasing productivity. Thus, this study was conducted at the Jimma and Gera to determine the effect of supplementary irrigation (SI) on carrot production. Eight treatments with three replications on a field plot of 9 m2 were used for conducting the experiment. Crop water requirement (ETc) was calculated from reference evapotranspiration (ETo) and crop coefficient (Kc) using CropWat 8.0 software. Yield and yield component data were collected from the field and analyzed using the statistical analysis system (SAS) software 9.0. The result revealed that root shoulder diameter, fresh biomass, and fresh root weight had significant () effects between the treatments, but there was no significant difference () between treatments on plant height and carrot root length at both locations. The highest and lowest plant heights were recorded at 75% SI and at a rain-fed treatment. A root shoulder diameters of 38.37 and 37.86 mm were recorded at Jimma and Gera, respectively, from the application of 75% and two SI at flowering and fruit setting treatment. The application of 75% SI gave the highest root length. A maximum fresh biomass of 3,038.6 kg/ha was obtained at 75% SI, and a minimum fresh biomass of 1,640.00 kg/ha was recorded from the rain-fed treatment at JARC. Application of 75% SI gave the maximum fresh biomass (2,388.9 kg/ha) at Gera, and a minimum fresh biomass of 1,277.8 kg/ha was recorded from rain fed. An application of 75% SI gave the highest fresh root weight of 7,430.6 kg/ha at JARC. In the study, the application of 75% SI gave the highest (6,388.9 kg/ha) fresh root weight, and the lowest was recorded at rain fed (3,883.3 kg/ha). Therefore, for optimum production, 75% SI was recommended for the production of carrots. The total net benefit from the production of carrots was in the range of 36,659–46,950 ETB per hectare at Jimma and from 24,828 up to 39,399 ETB per hectar at Gera. The maximum and minimum marginal return rate (MRR) at Jimma were 300.97%, which is at 75% SI and 43.69%, which is at 25% supplementary irrigation, respectively. At Gera, the maximum and minimum MRR were 490.95%, which were at 25% supplementary irrigation, and the minimum was 23.18%, which was at full supplementary irrigation. Therefore, to get an economic benefit, supplementing carrot crop at 75% irrigation was recommended for both Gera and JARC.

Review Article

Trends, Opportunities, and Challenges of the Ethiopian Soybean Export Market in the Past Two Decades (2004–2022)

The study was conducted to assess the trends, opportunities, and challenges of the Ethiopian soybean export market in the past two decades (2004–2022), and forecasted the next 10-year export performance of the sector, to identify intervention area for factors that affects soybean export performance in the country. To address the objectives most latest scientific literature was intensely reviewed and the next 10 yearsʼ export was forecasted using Box–Jenkins, ARIMA (4,1,0). The review found out that in Ethiopia more than 90% of soybeans supplied to the market have been exported with a high increase for the past two decades but not comparable with the rise in the global market. In the country, there are unexploited high production and export opportunities associated with convenient agroecology condition zones for production, cheap and abundant labor force, popularity of the oilseed in the international market, and abundant arable land in the country. Nevertheless, in the past two decades, the sector was highly challenged by low productivity and quality of the crop; political instability and security situation; high price volatility, and competition in the international market. Unless the situation is improved, the ARIMA forecasted model result indicates Ethiopiaʼs soybean exports increase only to a certain extent in the next 10 years and the export bill of the country will be $97.4 million in 2032. Accordingly, the study identifies intervention areas including efficiently utilizing the existing abundant arable land and cheap labor force for production, improving the grain quality provided in the global market, protecting the popularity of Ethiopian organic oilseed, encouraging soybean marketing in Ethiopian commodity exchange platform, and secure political social instability in the country to improve the performance and benefit more from the sector.

Advances in Agriculture
 Journal metrics
See full report
Acceptance rate5%
Submission to final decision134 days
Acceptance to publication20 days
CiteScore1.800
Journal Citation Indicator-
Impact Factor-
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