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63 articles for “Randomized Complete Block Design”
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Adaptation Trial of Niger seed (Guizotia abyssinica, Asteraceae) Varieties in Siltie Districts of Southern Ethiopia
Abstract: Niger seed adaptation trial was conducted in two districts of Siltie zone, namely Dalocha and Silti districts during 2013–14 and 2014–15 main cropping seasons to identify adaptable and high yielding niger seed varieties. Five improved varieties and one local variety were used. Randomized Complete Block Design with four replications was used for the experiments. According to the results, location by variety interaction was significant difference observed. In Dalocha district, Ginchi …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 10, Issue 2, 2021 · pp. 12–15 Read article
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Assessing the Yield and Profitability of Rice in Eastern Terai and Mid-Hills of Nepal using Nutrient Expert-Rice Model
Abstract: The productivity of rice in Nepal is very less as compared to other developed countries of world which might be due to less and imbalanced use of fertilizer and lack of site specific nutrient management technologies. Materials and Methods: Different sets of field experiments were conducted at farmers’ field in Jhapa (Dhukurpani-Damakand Gauradha), Morang (Itahara and Babiyabirta) towards the Eastern Terai and Lamjug (Bhotewodar and Sundarbazaar) towards the Mid-hill, Nepal …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 7, Issue 1, 2018 · pp. 1–10 Read article
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Impact of Phosphorus Application Rates on Yield and Yield Components of Common Bean (Phaseolus vulgaris L.) Varieties in Relation to Water Resources at Yabello, Southern Oromia, Ethiopia
Abstract: Common bean is a key legume crop with significant economic importance in Ethiopia, particularly in the southern region of Oromia. One of the primary constraints to common bean productivity in this region is the issue of soil fertility, which is exacerbated by water scarcity. This study was conducted to assess the impact of phosphorus (P) fertilizer rates on common bean growth and yield, as well as to identify sustainable management …
Published in Journal of Water Resource Engineering and Management · Vol. 11, Issue 3, 2024 · pp. 20–31 Read article
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Genotype by Environment Interaction and Grain Yield Stability Analysis for Bread Wheat (Triticum Aestivum L.) Genotypes in Southern Ethiopia
Abstract: The productivity of bread wheat varieties affected by many factors including the agro-ecology of the growing area. It is important to test the adaptability and yields of released varieties in multi-location for their productivity. This study was designed to evaluate the yield potential and stability of bread wheat varieties across locations. A total of fourteen recently released bread wheat varieties were evaluated during 2019 and 2020 main cropping seasons at …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 11, Issue 1, 2022 · pp. 1–6 Read article
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Demonstration and Evaluation of Potato Varieties and Fungicide Spray Frequencies for Management of Late Blight (Phytophthora infestans) Disease in Silte and Hadya Zone, Southern Ethiopia
Abstract: Late blight disease caused by Phytophthora infestans is one of the major constraints on potato production in Ethiopia. The present research was designed with the aim of evaluating potato varieties and fungicide application frequencies for the management of late blight. The combinations of two different potato varieties with three different levels of fungicide application frequencies were used in Alicho wuriro and Analomo research substation during 2014 and 2015 main growing …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 11, Issue 1, 2022 · pp. 19–26 Read article
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Potato Varieties Adapted to Selected Woredas of Gamo Zone and Dirashe Woreda
Abstract: The study was conducted at three locations (Chosha, Yelagnaw Arguba and Zazie) for two consecutive years. It was carried out to evaluate and select high yielding, potato varieties for study areas and areas with similar agroecologies. The experiment consisted of eight potato varieties (six released varieties and two local checks). The study was conducted using a Randomized Complete Block Design with three sets of repeated measures. The combined analysis of …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 13, Issue 1, 2024 · pp. 33–40 Read article
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Effect of Vermicompost, Compost and Inorganic Fertilizer on Production of Onion at Southern Ethiopia, Wolaita Zone Humbo District
Abstract: Combined application of fertilizers (organic and inorganic) could able to optimize production and productivity of onion. This experiment was conducted in Humbo district southern Ethiopia during 2019- 2021 under irrigation to evaluate the effect of organic and inorganic fertilizer on bulb yield and general production of onion. Experiment was laid out in randomized complete block design with three replication and consisted of seven treatments: T1: control, T2: NPSB(82.2N, 31.4P, 13.4S, …
Published in Research & Reviews : Journal of Botany · Vol. 13, Issue 1, 2024 · pp. 31–39 Read article
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Determining the Effect of Applying Different type and Rate of NPSB Fertilizers on Yield of Common Bean at Wolaita Zone Boloso Sore Woreda, South Ethiopia
Abstract: The research was conducted to determine effect of different types and rate of NPSB and CU fertilizers on yield of common bean at boloso sore woreda at rain-feid condition for two years (2016 & 2017) at Areka research center, located at an altitude of 1830 masl, latitude 07° 4’ 24’’ N, longitude 37° 41’ 30’’ E, temperature: 20.3° C, rainfall: 1200-1700 mm, soil type: Haplic alisol. A completely randomized block …
Published in Research & Reviews : Journal of Botany · Vol. 13, Issue 2, 2024 · pp. 1–6 Read article
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Influence of Inter and Intra-Row Spacing on Hot Pepper (Capsicum Annum L.) Growth,Yield and Yield Component of Under Rain Fed at Guraferda and Gimbo, Southwest Ethiopia
Abstract: Inappropriate plant population density and other limitation factors are among the key reasons for the low hot pepper yield in Ethiopia, including South West Ethiopia. To increase the productivity of hot pepper use of appropriate population spacing is vital. Hence, a field experiment was conducted at Guraferda and Gimbo during the main rainy season to evaluate the response of hot pepper for growth and yield and yield components. A factorial …
Published in International Journal of Trends in Horticulture · Vol. 1, Issue 1, 2024 · pp. 4–9 Read article
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Restoration of Degraded Agricultural Soils Through Organic Amendments and Sustainable Farming Practices
Abstract: This study investigates the efficacy of organic amendments and sustainable farming practices in restoring degraded agricultural soils, addressing a critical global challenge affecting food security and environmental sustainability. The research was conducted over three growing seasons on degraded semi-arid agricultural land, utilizing a randomized complete block design with five treatments: The following farming practices: pure control, organic amendments but market conventional farming practices, sustainable farming practices but market standard conventional, …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 13, Issue 3, 2024 · pp. 19–27 Read article
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Adaptation of Recently Released Andean Common Bean (Phaseolus vulgaris L.) Varieties for Potential Areas in Wolaita Zone, South Ethiopia Region
Abstract: An experiment was conducted during the growing seasons of 2022 to 2023 at Areka and Kokate stations to evaluate and select high-yielding Andean common bean varieties, focusing on seed yield and associated traits. Seven common bean varieties, along with a local check, were subjected to evaluation using a randomized complete block design with four replications. The analysis of variance revealed a significant difference (P < 0.01) in seed yield, pod …
Published in Research & Reviews : Journal of Botany · Vol. 14, Issue 1, 2025 · pp. 12–19 Read article
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Assessment of Enhanced Tef Varieties in the Basketo Zone, Southern Ethiopia
Abstract: Tef is one of the most vital staple crops in Ethiopia, providing significant food security and economic value to the country. In this study, six distinct Tef varieties, including a local farmer cultivar, were evaluated under field conditions using a randomized complete block design (RCBD) in the Basketo Zone of Southern Ethiopia. The objective was to assess the performance of these varieties in terms of adaptation and grain yield potential, …
Published in Journal of Catalyst & Catalysis · Vol. 12, Issue 1, 2025 · pp. 27–32 Read article
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Effect of Different Doses of Phosphorus on the Growth and Yield of Mung Bean (Vigna radiata L.)
Abstract: Phosphatic fertilizers play a vital role in enhancing mung bean production by not only improving crop yield but also increasing the quality of the produce. A field trial was done at the Nepal Polytechnic Institute research field to determine the effect of different levels of phosphorus on yield of Mung bean at Bharatpur, Chitwan during the summer season 2024. The test was carried out as per Randomized Complete Block Design …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 14, Issue 2, 2025 · pp. 1–7 Read article
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Effect of Salinity and Spraying of Spirulina sp. Extract on some Morphological and Physiological Characteristics of Anise (Pimpinella anisum L.)
Abstract: The experiment was conducted during the academic year (2023-2024) in the Al-Ghammas area, affiliated with Al-Shamiya District / Diwaniyah Governorate, with the aim of studying the effect of salinity of irrigation water and spraying Spirulina plantensis algae extract on some phenotypic and physiological growth characteristics of the anise plant Pimpinella anisum. Which were measured in the laboratories of the Department of biology/ College of Education for women - University of …
Published in Research & Reviews : Journal of Botany · Vol. 14, Issue 3, 2025 · pp. 1–7 Read article
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Evaluation of Irrigation Regime on Onion Yield in Konta Special Woreda, Ethiopia
Abstract: Irrigation scheduling (when and how much to apply) is the primary tool to improve water use efficiency, increase crop yields, increase the availability of water resources, and contribute positive effect for the quality of soil and ground water. Field experiment was conducted for two consecutive years to determine appropriate scheduling of onion production. The experiments were arranged in randomized complete block design (RCBD) with four treatments (T1 = 125% manageable …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 1, 2025 · pp. 9–14 Read article
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Performance Evaluation of Oat (Avena sativa) Varieties for Growth, Yield, and Yield Components in Southwest Ethiopia
Abstract: The improved feed shortage is main bottleneck of livestock production and productivity in southwest Ethiopia. Hence, the study was conducted in Southwest Ethiopia in Kaffa zone Gimbo district in 2017 and 2018 cropping seasons to identify the adaptable and high yielding oat variety (s). The trial consisted of five oat varieties (CI-8250, CI-8237, CI-2291, CI-2806 and ICARDA 6710) which were laid out in randomized complete block design with three replications. …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 15, Issue 1, 2026 · pp. 13–18 Read article
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Response of Mung Bean (Vigna Radiata (L.) R. Wilczek) Varieties to Bradyrhizobium Inoculation at Gimbo District, Southwestern Ethiopia
Abstract: Globally, mung beans are grown in tropical and subtropical climates as an essential pulse crop. However, lack of appropriate nutrient management combined with the best responsive varieties is a major problem in enhancing productivity of mung bean. Thus, this field experiment was conducted in Gimbo district, Southwest Ethiopia, during the 2024–2025 rain-fed cropping season to evaluate the response of mung bean varieties to Bradyrhizobium inoculation. The treatments comprised factorial combinations …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 15, Issue 1, 2026 · pp. 28–37 Read article
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Impact of Storage Methods and Duration on Sugar and Starch Content and Ethanol Yield of Sweet Potatoes [Ipomoea batatas (L.) Lam]
Abstract: Previous studies have shown that ‘industrial’ sweet potatoes can be an excellent feedstock for ethanol production as compared to corn, sorghum and other potential feedstocks. However, starch content can be affected by cultivars as well as storage conditions. Ideally, it is practical that sweet potato storage roots be processed for ethanol production as close to harvest as possible, but this may not always be the case and some amount of …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 1, 2016 · pp. 23–29 Read article
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Nitrogen Fertilizer Rates and Spacing on Yield Components of Pepper Capsicum annum L. at Bure District, North Western Ethiopia
Abstract: Hot pepper is an important spice and vegetable crop in Ethiopia, but its productivity is low due to poor agronomic practices including inappropriate nutrient supply and poor inter-row spacing management. The experiment was carried out in the field in the year 2019/20 to know the effect of the rates of N fertilizer and spacing on the yield-attributed factors of pepper. The experiment consisted of factorial combinations on four levels of …
Published in Journal of Catalyst & Catalysis · Vol. 9, Issue 3, 2022 · pp. 44–54 Read article
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Salicylic Acid and Packaging Method Effects on Storability of Pear Fruits
Abstract: A factorial experiment with randomized complete block design carried out in Koya city and Erbil governorate during 2015 and 2016 seasons on (Pyrus communis L. cv. Spadona) to investigate tree spraying with (0, 0.5, 1.0 and 1.5%) salicylic acid (SA) and dipping fruits after harvesting in 0, 250, 500 and 1000 mg/l SA, followed by packaging in perforated or imperforated polyethylene bags and stored at 1±1°C and 85–90% relative humidity …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 6, Issue 2, 2017 · pp. 20–31 Read article