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The Determinants of Beef Cattle Market Participation on Beef Cattle Producers’ Welfare: A Case Study of West Shewa Zone, Oromia Region, Ethiopia 肉牛市场参与对肉牛生产者福利的决定因素:埃塞俄比亚奥罗莫地区西谢瓦区案例研究
Q2 AGRONOMY Pub Date : 2023-12-15 DOI: 10.1155/2023/8822032
Bultossa Terefe Willy, Amsalu Bedemo Beyene, Daniel Masresha Amare
Due to their ability to produce meat, milk, leather, glue, gelatin, and other products that people may utilize, beef cattle are domesticated. Beef cattle production and marketing play a vital role in the growth and development of the globe and the African economy. Ethiopia has great potential for livestock population in Africa and in the world but earns less from beef cattle production and marketing. Ethiopian farmers are reluctant to beef cattle market participation. Their reluctant to participate in beef cattle marketing causes lack of beef cattle products in the market and causes high prices for beef cattle and its products. The research objective was to analyze the impact of beef cattle market participation on the welfare of beef cattle smallholder farmers in Ethiopia. The primary data come from 400 randomly selected beef cattle farmers involved in beef cattle production and marketing and actors. Descriptive statistics and inferential statistics propensity score matching (PSM) model have used to analyze the collected data. The data analysis result indicated that smallholder beef cattle farmers participating in beef cattle marketing and farmers’ annual per capita consumption expenditure (economic welfare) increased by 84% more than the nonbeef cattle market participants. We assume this is a first result and investigation in the study area. The research study is important for farmers, policymakers, researchers, and the academia in general. Providing education and training, promoting the participation of more women in beef cattle marketing, and promoting and encouraging more full-time beef cattle farmers are suggested recommendations.
由于肉牛能够生产肉、奶、皮革、胶水、明胶和人们可以利用的其他产品,因此肉牛被驯化。肉牛的生产和销售对全球和非洲经济的增长和发展起着至关重要的作用。埃塞俄比亚在非洲和世界畜牧业人口方面具有巨大潜力,但从肉牛生产和销售中获得的收入较少。埃塞俄比亚农民不愿意参与肉牛市场。他们不愿参与肉牛营销导致市场上缺乏肉牛产品,并造成肉牛及其产品价格居高不下。研究目标是分析参与肉牛市场对埃塞俄比亚肉牛小农福利的影响。原始数据来自随机抽取的 400 名参与肉牛生产和销售的肉牛养殖户和行动者。对收集到的数据采用了描述性统计和推断性统计倾向得分匹配模型(PSM)进行分析。数据分析结果表明,参与肉牛营销的小农户的人均年消费支出(经济福利)比未参与肉牛市场的农户高出 84%。我们认为这是该研究地区的首次结果和调查。这项调查研究对农民、决策者、研究人员和学术界都很重要。我们建议提供教育和培训,促进更多妇女参与肉牛营销,促进和鼓励更多的全职肉牛养殖者。
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引用次数: 0
Determination of Optimum Level of Seeding Rate of Silver Leaf Desmodim Intercropping with Desho Grass for Dry Matter Yield and Yield-Related Components in Western Ethiopia 确定埃塞俄比亚西部银叶禾与德绍草间作的最佳播种率水平,以提高干物质产量和产量相关成分
Q2 AGRONOMY Pub Date : 2023-12-13 DOI: 10.1155/2023/6647745
Wakgari Keba
Compatible production of forage grasses and legumes through intercropping is one of the best options to achieve higher biomass yield and forage quality for animal production in areas where land and other resources are scarce. This study was conducted in 2017 and 2018 with the aim of evaluating the best-match level of seeding rate of silverleaf desmodium (SLD) intercropped with desho grass (Pennisetum pedicellatum) in a randomized complete block design with three replications. The treatment consists of three levels of seeding rate of SLD (2, 4, and 6 kg ha−1) and one pure plot of each species. The result of this study showed that the intercropping of 6 kg ha−1 SLD with 100% of desho’s recommended plant population (50,000 plants ha−1) produced the highest forage dry matter yield and maximum plant height. The total dry matter yield (TDMY) of the intercrops was also significantly varied for the tested treatments. Accordingly, 6 kg ha−1 of SLD intercropped with 100% recommended seed rate of desho ha−1 gave the highest forage TDMY, which surpasses both the grass and legume yields in monoculture. The total land equivalent ratio (LER), which shows system productivity, was also different among the treatments. About 6 kg ha−1 of SLD intercropped with 100% recommended seed rate of desho also produced the highest LER (1.51). Thus, in Bako and similar agro-climatic conditions, where arable land is heavily covered with food crops, desho grass intercropping with SLD can be used as one of the best strategic options for producing feeds of energy and protein sources simultaneously on the same area of land.
在土地和其他资源稀缺的地区,通过间作套种牧草和豆科植物实现牧草和豆科植物的兼容生产是实现更高的生物量产量和牧草质量的最佳选择之一。本研究于 2017 年和 2018 年进行,旨在评估银叶脱壳草(SLD)与脱壳草(Pennisetum pedicellatum)间作的最佳匹配播种率水平,采用随机完全区组设计,三次重复。处理包括三个水平的银叶地肤草播种率(2、4 和 6 千克/公顷-1)以及每个物种的一个纯小区。研究结果表明,6 千克/公顷的 SLD 与 100%的德绍推荐种植株数(50,000 株/公顷)间作,牧草干物质产量最高,株高最大。间作的干物质总产量(TDMY)在试验处理中也有显著差异。因此,6 千克/公顷的 SLD 与 100%推荐播种率的 desho ha-1 间作,饲料干物质总产量最高,超过了单一种植的禾本科和豆科植物产量。显示系统生产力的总土地当量比(LER)在不同处理间也有所不同。约 6 千克/公顷的 SLD 与推荐播种率为 100%的 desho 间作,也产生了最高的 LER(1.51)。因此,在巴科和类似的农业气候条件下,耕地被大量粮食作物覆盖,Desho 草与 SLD 间作可以作为在同一块土地上同时生产能量和蛋白质来源饲料的最佳战略选择之一。
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引用次数: 0
Potential and Transformation of Indigenous Floral Foods in Africa: What Research Tells Over the Past Two Decades (2000–2022) 非洲本土花卉食品的潜力与变革:过去二十年(2000-2022 年)的研究成果
Q2 AGRONOMY Pub Date : 2023-12-09 DOI: 10.1155/2023/8877953
Achoja Roland Onomu, A. Taruvinga, Willie T. Chinyamurindi
Indigenous foods are the ancestral diet endemic to and consumed by the local people for ages, but there has been a recent discrepancy in their acceptability, growth and development. While some research suggested frequent consumption and growth of indigenous foods, others reported poor development and declining consumption despite their rich nutrition content. Moreover, research has failed to investigate and compile indigenous foods’ growth and developmental trends in whole and niche areas to ensure their promotion and competitiveness with their exotic counterparts due to reports highlighting their rambling and anecdotal pictures of economic significance and nutritional potential. The study reviewed literature and collated past research to examine and forecast the developmental growth of indigenous foods for more than two decades (2000–2022). It identifies niche areas that have received more or less growth of indigenous food, and the type of research (review, data, and experimental research) contributing to its growth and development. Through the review of related literature, this study demonstrates that indigenous foods contribute to improving household health, food, and nutritional security. For example, 80% of South Africans depend on indigenous foods for medicinal purposes. It also enhances the dietary diversity of household and reduces poverty through income generation and employment. Some indigenous foods (green leafy vegetables) are richer sources of mineral elements than their exotic crops counterparts. Some indigenous foods play a crucial role in the cultural identity of people/ethnic groups. Indigenous foods are beneficial in terms of income, as research shows that some households generate more than 25% of their income from the sales of indigenous foods harvested from the wild. Indigenous foods agribusiness is dominated by rural dwellers, the poor, and vulnerable people, with most (75%) of the stakeholders being elderly women. Most indigenous foods transactions occur in an open market structure and are overshadowed by vendors and middlemen. 951 articles were used to investigate the growth show steady growth and development of indigenous foods research. However, the growth is skewed toward a few niche areas. Medicinal, food, and nutritional composition analysis are some niche areas witnessing indigenous foods’ rapid growth and research development. Some indigenous foods have also seen growth in research development in a domestication niche area, but growth and development are lacking in the genetic improvement of many indigenous foods. Lack of awareness campaigns, value addition, marketing, and private/entrepreneurial investment and managerial/logistic techniques are other niche areas slowing the growth of indigenous foods, as revealed by the limited research. In decades (2000–2022), only 5.99% and 3.79% of research focused on indigenous foods value addition and awareness campaigns. More pragmatic research, policies, promotions, and value
土著食物是当地人民多年来特有和消费的祖先饮食,但最近在其可接受性、生长和发展方面出现了差异。虽然一些研究表明土著食品经常消费和增长,但另一些研究报告说,尽管其营养成分丰富,但发展不佳,消费量下降。此外,由于报告强调其经济意义和营养潜力的漫无边际和轶事图片,研究未能调查和汇编本地食品在整个和小生境地区的生长和发展趋势,以确保其推广和与外来食品竞争。该研究回顾了文献并整理了过去的研究,以检查和预测20多年来(2000-2022年)本土食品的发展增长。它确定了获得或多或少本土食品增长的利基区域,以及有助于其增长和发展的研究类型(审查,数据和实验研究)。通过对相关文献的回顾,本研究表明土着食物有助于改善家庭健康,食物和营养安全。例如,80%的南非人依靠本土食物作为药用。它还增强了家庭饮食的多样性,并通过创收和就业减少贫困。一些本地食物(绿叶蔬菜)比外来作物含有更丰富的矿物元素。一些土著食物在人们/族裔群体的文化认同中起着至关重要的作用。就收入而言,土著食品是有益的,因为研究表明,一些家庭25%以上的收入来自销售从野外收获的土著食品。土著食品农业综合企业由农村居民、穷人和弱势群体主导,大多数(75%)利益相关者是老年妇女。大多数本地食品交易发生在开放的市场结构中,受到供应商和中间商的影响。采用951篇文献进行生长调查,显示出乡土食品的稳定生长和发展研究。然而,这种增长倾向于少数利基领域。医药、食品和营养成分分析是本土食品快速增长和研究发展的一些利基领域。一些本土食品在驯化生态位领域的研究发展也有所增长,但许多本土食品的遗传改良缺乏增长和发展。正如有限的研究所揭示的那样,缺乏宣传活动、增值、营销、私人/企业投资和管理/物流技术是减缓本土食品增长的其他利基领域。在过去的几十年里(2000年至2022年),只有5.99%和3.79%的研究关注本土食品的增值和宣传活动。我们需要更务实的研究、政策、推广和增值方法。
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引用次数: 0
Gamma Irradiation of Plukenetia volubilis L. Seeds Promotes Several Changes during Its Germination and Vegetative Growth 伽马辐照 Plukenetia volubilis L. 种子可促进其发芽和植株生长过程中的若干变化
Q2 AGRONOMY Pub Date : 2023-12-01 DOI: 10.1155/2023/9737125
M. Corazon-Guivin, Sofia Rengifo-Del Aguila, Ángel David Hernández-Amasifuen, Víctor Manuel Arévalo-Rojas, Ronny Anthony Acosta-Córdova, Agustín Cerna-Mendoza, Thiago de Araújo Mastrangelo, Jorge Damian Valverde-Iparraguirre, J. C. Guerrero-Abad
Plukenetia volubilis (“sacha inchi”) is a perennial plant that produces edible seeds with a remarkable lipid composition that is highly concentrated in polyunsaturated essential fatty acids. Inca nut seeds have potential use for lowering malnutrition, enhancing sustainable food production systems, reforestation, and the pharmaceutical industry. The establishment of genetic variability, through spontaneous mutations or induced mutations, can bring desirable and undesirable agronomic traits. Our research focused on studying the impact of gamma radiation on P. volubilis seeds during their germination and vegetative growth. For this purpose, we exposed seeds to different doses of gamma irradiation (0, 500, 550, 600, 650, 700, 750, 800, and 900 Gy) and planted them under in vitro and greenhouse conditions following a completely random design. Our findings showed that gamma radiation treatments did not affect the germination of P. volubilis seeds but affected its root tip growth. An analysis on morphological and physiological parameters revealed a reduction in seedling size and weight when the irradiation doses were increased. Also, the pattern of plant organ development changed as its gamma irradiation was increased. Finally, our analysis found that median lethal dose (LD50) for P. volubilis L. seeds is 618.78 Gy. Our findings can be used as an important reference for plant breeding in this species.
杏叶是一种多年生植物,其可食用的种子具有显著的脂质组成,高度集中在多不饱和必需脂肪酸中。印加坚果种子在降低营养不良、加强可持续粮食生产系统、重新造林和制药业方面具有潜在的用途。遗传变异的建立,通过自发突变或诱导突变,可以带来理想的和不理想的农艺性状。本研究主要研究了伽玛辐射对毛豆种子萌发和营养生长的影响。为此,我们将种子暴露在不同剂量的γ辐射(0、500、550、600、650、700、750、800和900 Gy)下,并按照完全随机设计在离体和温室条件下种植。结果表明,伽玛辐射处理不影响毛豆种子的萌发,但影响毛豆根尖的生长。形态学和生理参数分析表明,随着辐照剂量的增加,幼苗的大小和重量都有所减少。同时,随着辐照强度的增加,植物各器官的发育模式也发生了变化。最后,我们的分析发现,卷叶假丝种子的中位致死剂量(LD50)为618.78 Gy。本研究结果可为该物种的植物育种提供重要参考。
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引用次数: 0
Effects of D128N Mutation on OsSERK2 in Xa21-Mediated Immune Complex: An In Silico Study D128N 突变对 Xa21 介导的免疫复合物中 OsSERK2 的影响:硅学研究
Q2 AGRONOMY Pub Date : 2023-11-28 DOI: 10.1155/2023/2749859
Raghib Ishraq Alvy, M. H. M. Mubassir, M. F. Abdul-Wahab, Salehhuddin Hamdan
Receptor-like kinases (RLKs) are plant proteins that form signaling circuits to transduce information through the plant cell membrane to the nucleus and activate processes that direct growth, development, stress response, and disease resistance. Upon sensing various environmental stress stimuli, RLKs interact with specific targets and recruit several other proteins to initiate the defense mechanism. Among many RLK subfamilies, leucine-rich repeat RLKs (LRR-RLKs) are the largest. Xa21, a member of LRR-RLK, is a vital receptor protein in rice plants that binds with bacterial RaxX21-sY, whereas OsSERK2 is a somatic embryogenic receptor kinase (SERK) that acts as a coreceptor in this process. This study focuses on the effect of a substitution mutation of aspartate128 with asparagine128 (D128N) in OsSERK2 on the interdependent binding pattern of the Xa21, RaxX21-sY, and OsSERK2 D128N proteins. The in silico results showed that the D128N mutation in OsSERK2 can significantly change the interaction pattern of the critical residues of the OsSERK2 and affects its receptor-ligand (Xa21-RaxX21-sY) interaction in the complex. These findings are expected to significantly contribute to the study of the structural basis of Xa21-mediated immunity and the first layer of plant defense mechanisms, thereby aiding further research on these structures and their phenotypic implications.
受体样激酶(RLK)是一种植物蛋白,可形成信号回路,将信息通过植物细胞膜传递到细胞核,并激活指导生长、发育、应激反应和抗病的过程。在感知到各种环境胁迫刺激后,RLK 与特定靶标相互作用,并招募其他几种蛋白质启动防御机制。在众多 RLK 亚家族中,富亮氨酸重复 RLK(LRR-RLK)是最大的家族。Xa21 是 LRR-RLK 的成员之一,是水稻植物中与细菌 RaxX21-sY 结合的重要受体蛋白,而 OsSERK2 是体细胞胚胎受体激酶(SERK),在这一过程中充当核心受体。本研究的重点是 OsSERK2 中天冬氨酸 128 与天冬酰胺 128(D128N)的置换突变对 Xa21、RaxX21-sY 和 OsSERK2 D128N 蛋白相互依赖的结合模式的影响。硅学研究结果表明,OsSERK2的D128N突变可显著改变OsSERK2关键残基的相互作用模式,并影响其受体-配体(Xa21-RaxX21-sY)在复合物中的相互作用。这些发现有望极大地促进对 Xa21 介导的免疫和植物第一层防御机制的结构基础的研究,从而有助于对这些结构及其表型意义的进一步研究。
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引用次数: 0
Evaluation of Root Zone Behavior and Cucumber Yield under Different Mulch Materials and Irrigation Schedules under Tunnel Farming 不同覆盖材料和灌溉时间表下的根区行为和黄瓜产量评价
Q2 AGRONOMY Pub Date : 2023-11-23 DOI: 10.1155/2023/6435489
Muhammad Zaman, Muhammad Zeeshan Khan, Malik Mubashar Ishaq, Junaid Nawaz Chauhdary, Muhammad Rizwan, Shabana Kausar, Ijaz Ahmad
Water plays a crucial role in better agricultural production. The situation of irrigation water in Pakistan is getting worse day by day. New sowing techniques for high-value agriculture are the only solution to increasing water and crop productivity. Drip irrigation coupled with mulch in tunnel farming can be an effective tool for better agricultural production. Therefore, this study was designed to check the impact of different mulch materials coupled with various irrigation schedules on cucumber yield and its root zone behavior. Three types of mulch, i.e., black, transparent, and wheat straw, each under two different levels of deficit irrigation (DI) of 20% DI and 40% DI, were compared with farmer practice as a control. The experiment was conducted at a farmer’s field and laid out under a randomized complete block design. The effect of treatments was checked on the number of leaves per plant, plant height, number of fruits per plant, fruit weight per plant, and crop yield. Moreover, the effect of treatments was checked on the crop root zone. The Hydrus-1D model was calibrated to successfully simulate soil moisture in the root zone. The study’s results revealed that among all treatments, the total yield of the cucumber was higher under 20% DI than 40%. The treatment T3 (transparent mulch + 20% DI) had a maximum yield of 47.31 tons/ha, whereas the minimum yield of 31.86 tons/ha was obtained under control. There was little difference between the yield of black plastic mulch and wheat straw mulch. Maximum root length was found in the case of black mulch with 20% DI (86.9 cm), and the maximum diameter of the root zone canopy was observed under wheat straw mulch. Hydrus-1D proved its ability and was recommended for simulating root zone moisture, with the lowest value of R2 = 0.894. It was concluded that cucumber production with 20% DI is viable for drip irrigation with mulch applications.
水对提高农业产量起着至关重要的作用。巴基斯坦的灌溉用水状况日益恶化。新的高价值农业播种技术是提高用水量和作物产量的唯一解决办法。滴灌与地膜在隧道农业中的结合可以成为提高农业产量的有效工具。因此,本研究旨在检测不同地膜材料和不同灌溉时间对黄瓜产量及其根区行为的影响。在 20% DI 和 40% DI 两种不同程度的亏缺灌溉(DI)条件下,使用了三种地膜,即黑色地膜、透明地膜和小麦秸秆地膜,并以农民的做法作为对照进行了比较。试验在农民田间进行,采用随机整群设计。试验检验了各处理对每株叶片数、株高、每株果实数、每株果实重量和作物产量的影响。此外,还检验了处理对作物根区的影响。通过校准 Hydrus-1D 模型,成功模拟了根区的土壤湿度。研究结果表明,在所有处理中,20% DI 的黄瓜总产量高于 40%。处理 T3(透明地膜 + 20% DI)的最高产量为 47.31 吨/公顷,而对照组的最低产量为 31.86 吨/公顷。黑色塑料地膜和小麦秸秆地膜的产量差别不大。20% DI 的黑色塑料地膜的根长最大(86.9 厘米),小麦秸秆地膜的根区冠层直径最大。实践证明,Hydrus-1D 具有模拟根区水分的能力,建议用于模拟根区水分,其 R2 = 0.894 值最低。结论是,使用 20% DI 进行滴灌和地膜覆盖的黄瓜生产是可行的。
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引用次数: 0
Opportunities to Improve the Quality of Beef Produced under Smallholder Mixed Crop and Rangeland Livestock Production Systems 提高小农户作物和牧场混合畜牧生产系统所产牛肉质量的机遇
Q2 AGRONOMY Pub Date : 2023-11-23 DOI: 10.1155/2023/4104368
Y. Mummed
East African countries contain a substantial proportion of cattle (9.3%, 136.4 million) and small ruminants (12%, 253.4 million) compared to the world’s total livestock population. In this region, more than 70% of the land surface is conducive to raise red meat animals. However, the region has limited share (approximately 1%) of meat products to the world market due to the failure to satisfy the minimal quality standard. Most of livestock farmers in this region are smallholders operating pastoral and mixed crop-livestock production systems. This study looked at reports on the quality of beef produced by smallholder production systems using Ethiopia as an example in order to identify potential and determinants in quality beef production under smallholders production system. In order to achieve this, research station beef quality reports were considered as a standard to compare the instrumental quality of beef reported from oxen and bulls raised by smallholders in mixed crop-livestock systems, ranches, and Hararghe cattle fattening systems. According to the analysis, oxen in the smallholders in the mixed crop-livestock systems produced comparatively lower-quality beef than oxen reared by the smallholders in the Hararghe fattening and bulls reared in the ranch systems, which produced good-quality beef. Improved feed resources are used in the Hararghe cattle fattening systems; oxen are used for draft service for a brief period of time (2.85 ± 0.58 years) and then sold for slaughter relatively at a young age. In pastoral settings, ranches offer options for the effective use of scare feed resources. The primary factors that determine the quality of beef produced from oxen raised in the mixed crop-livestock system were poor-quality feed resources, long-term draft service (6.62 ± 1.92 years), and old age at slaughter. To improve the quality of beef produced from the oxen raised in the mixed crop-livestock system, the practice of smallholder farmers in the Hararghe cattle fattening system needs to be adopted. The adoption of the practice also contributes to reduce the greenhouse gas emissions from the system and convert the subsistence mixed crop-livestock into a market-oriented system.
与世界牲畜总数量相比,东非国家的牛(9.3%,1.364 亿头)和小型反刍动物(12%,2.534 亿只)数量占很大比例。该地区 70% 以上的土地有利于饲养红肉动物。然而,由于达不到最低质量标准,该地区肉类产品在世界市场上的份额有限(约 1%)。该地区的大多数畜牧业主都是小农户,他们经营着牧业和作物-畜牧业混合生产系统。本研究以埃塞俄比亚为例,考察了有关小农生产系统生产的牛肉质量的报告,以确定小农生产系统生产优质牛肉的潜力和决定因素。为此,研究人员将研究站的牛肉质量报告作为标准,以比较小农户在作物-牲畜混合系统、牧场和哈拉盖育肥牛系统中饲养的黄牛和公牛所报告的牛肉工具质量。分析结果表明,与哈拉盖育肥牛和牧场牛相比,作物-畜牧混合系统小农户饲养的黄牛生产的牛肉质量较低,而牧场系统饲养的公牛生产的牛肉质量较高。Hararghe 牛育肥系统使用的是改良饲料资源;黄牛用于短时间(2.85 ± 0.58 年)的役畜,然后在相对较小的年龄出售宰杀。在牧区,牧场为有效利用稀缺饲料资源提供了选择。决定作物-畜牧混合系统中饲养的黄牛所产牛肉质量的主要因素是饲料资源质量差、长期服役(6.62 ± 1.92 年)和屠宰年龄大。为了提高作物-家畜混养系统中饲养的黄牛所产牛肉的质量,需要采用 Hararghe 牛育肥系统中小农的做法。采用这种做法还有助于减少该系统的温室气体排放,并将自给自足的作物-牲畜混合系统转变为以市场为导向的系统。
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引用次数: 0
Biochar of Prosopis juliflora for Improving Crops Germination and Growth on Sandy–Loam Soil 黄豆生物炭在沙质壤土上促进作物发芽和生长
Q2 AGRONOMY Pub Date : 2023-11-11 DOI: 10.1155/2023/1483976
Jamal Ali, Ali Seid Mohammed, Amare Bitew Mekonnen
Prosopis juliflora (Sw.) DC. is an invasive alien species (IAS) damaging agricultural and natural ecosystems that threat biodiversity in Ethiopia. This IAS can be managed by utilizing it as a resource in agricultural production. This study analyzed the role of P. juliflora biochar on germination and growth performance of maize and wheat under field conditions in Wollo, Ethiopia. A randomized complete block design (RCBD) was used to test the effect of biochar on sandy–loam soil with and without fertilizer. In this experiment, biochar from P. juliflora was applied on the above two crops at 5, 10, and 20 t/ha with and without N–P fertilizers. From the result, a 100% germination and high growth of test crops were observed from 10 t/ha biochar with fertilizer mixed treatments. The shoot dry weight of both maize and wheat showed significant differences among treatments. While a single dosage (10 t/ha) increased maize dry weight by 21% without fertilizer, but it reduced dry weight by 10% when used with fertilizer. In the case of wheat, single and double dose biochar with NPS treatments increased shoot dry weight by 22.2% and 30%, respectively. This showed that application of biochar up to 20 t/ha in combination with fertilizers can significantly improve crop growth. Thus, it can be concluded that the application of biochar of P. juliflora is a good soil amendment option and, thus, this IAS can be managed by utilization.
黄花拟豆(Sw.)直流。是一种外来入侵物种(IAS),破坏埃塞俄比亚的农业和自然生态系统,威胁生物多样性。可以通过将IAS作为农业生产中的一种资源加以利用来管理它。本研究分析了在埃塞俄比亚沃洛(Wollo)大田条件下,黄花双生炭对玉米和小麦发芽及生长性能的影响。采用随机完全区组设计(RCBD)研究了生物炭在有肥和无肥沙壤土上的施用效果。本试验分别以5、10和20 t/ hm2在上述两种作物上施用黄豆生物炭,并在不施用氮磷肥的情况下施用。结果表明,10 t/ha生物炭与肥料混合处理,试验作物萌发率100%,生长速度快。玉米和小麦的茎部干重在处理间差异显著。单剂量(10 t/ hm2)不施肥可使玉米干重提高21%,而施肥可使玉米干重降低10%。以小麦为例,单剂量和双剂量生物炭配合NPS处理,地上部干重分别提高22.2%和30%。说明生物炭与化肥配施20 t/ hm2可显著改善作物生长。综上所述,黄杨生物炭是一种较好的土壤改良剂,可对其进行利用管理。
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引用次数: 0
Response of Black Nightshade to Different Cropping Systems and the Effect on Physiological Parameters and Mineral Composition 龙葵对不同种植制度的响应及其对生理参数和矿物成分的影响
Q2 AGRONOMY Pub Date : 2023-09-29 DOI: 10.1155/2023/3238867
Gudani Millicent Managa, Lufuno Ethel Nemadodzi
In southern African countries, production of indigenous leafy vegetables is commonly practiced at home garden and/or commercial level due to their significant contribution toward eradication of hunger, food insecurity, and malnutrition. Black nightshade (Solanum nigrum L.) is among African leafy vegetable (ALV) highly recognised for its pharmacological and nutritive benefits. Several research have shown that ALVs can be cultivated in the open field or greenhouses, however, little information is available on the changes of the agronomical parameters and mineral composition. The aim of the study was to compare the physiological parameters and mineral composition of nightshade grown in the open field vs. greenhouse cropping systems. The results of the study revealed high-leaf area and relative chlorophyll content in the open field conditions while plant height and the number of leaves were reportedly higher under the greenhouse system. Minerals elements such as magnesium, copper, manganese, iron, zinc, and aluminium were significantly higher in the open field cropping system, while greenhouse cultivation recorded higher sulphur and boron. Notably, no significant amount was observed in calcium, phosphorus, potassium, and sodium between open field and greenhouse system. Furthermore, a significant amount of total nitrogen was reported in the open field, however, no significant difference was observed in moisture and ash content for both cropping systems. In conclusion, black nightshade cultivated in open field provided higher leaf chlorophyll, leaf area, and trace elements compared to greenhouse cultivation while macro minerals concentration had no significant difference in both cropping systems.
在南部非洲国家,由于其对消除饥饿、粮食不安全和营养不良的重大贡献,本地叶菜的生产通常在家庭菜园和/或商业层面进行。黑茄(Solanum nigrum L.)是非洲叶菜(ALV)之一,因其药理和营养价值而受到高度认可。一些研究表明,ALVs可以在露天或温室中栽培,但关于农艺参数和矿物成分变化的资料很少。本研究的目的是比较露天栽培和温室栽培下龙葵的生理参数和矿物质组成。研究结果表明,露天条件下的叶面积和叶绿素含量较高,而温室条件下的株高和叶数较高。在露天种植系统中,镁、铜、锰、铁、锌和铝等矿物质元素含量明显较高,而温室栽培系统中硫和硼含量较高。值得注意的是,钙、磷、钾和钠在露天和温室体系中没有显著差异。此外,据报道,露天田的总氮含量很高,但两种种植制度的水分和灰分含量没有显著差异。综上所述,露天栽培的龙葵叶片叶绿素含量、叶面积和微量元素含量均高于温室栽培,而两种栽培方式的宏观矿物质含量差异不显著。
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引用次数: 0
Comparison of Teff (Eragrostis teff (Zucc.) Trotter) Varieties in Response to Blended NPSZnB Fertilizer On-Farm and on Research Station 苔麸(Eragrostis Teff, Zucc.)的比较猪蹄品种对NPSZnB混合肥料的响应
Q2 AGRONOMY Pub Date : 2023-08-21 DOI: 10.1155/2023/2991419
Zewdu Berhanu, Mekoya Yifru, D. Geleta, F. Liben
Teff is an important food crop for the majority of Ethiopian; however, its productivity is constrained by lack of improved varieties and low soil fertility. Thus, field experiments were conducted in 2019/20 and 2020/21 main cropping seasons at Yaya Gulale district on the farm and at Adama district on research station, respectively to assess the response of teff varieties to NPSZnB-blended fertilizer. Three teff varieties (Dagim, Kora, Nigus) and five rates (0, 50, 100, 150, and 200 kg ha−1) of blended NPSZnB fertilizer were evaluated on both sites. The treatments were laid out in a randomized complete block design of factorial arrangement with three replications at both locations. The highest biomass (7,639 kg ha−1), grain (1,944 kg ha−1), and straw (5,696 kg ha−1) yields were recorded from variety Kora without statistical difference from variety Dagim as compared to variety Nigus on-station. More yields were also recorded from the station compared to on-farm. Highest biomass (7,341 and 8,868), grain (1,767 and 2,477), and straw (5,507 and 6,391 kg ha−1) yields were recorded from on-farm and on-station sites, respectively, at 200 kg ha−1 NPSZnB. Also, the highest mean lodging index (82.56% and 63.89%) was observed on plots supplied with 200 kg ha−1 NPSB on-farm and on-station, respectively. In addition, the partial economic analysis showed that Dagim variety at 200 and 150 kg ha−1 NPSZnB generated better net benefits (533,745 and 106,204 Birr ha−1) with higher marginal rate of returns (6,771.9% and 4,621.9%) on-farm and on-station, respectively. Therefore, it was concluded that the teff variety Dagim grown with 200 kg ha−1 at Yaya Gulale district (on-farm) and with 150 kg ha−1 NPSZnB applications at Adama district (on-station) is promising treatments for production and economic advantages of teff in Ethiopia.
对大多数埃塞俄比亚人来说,苔麸是一种重要的粮食作物;然而,由于缺乏改良品种和土壤肥力低,其生产力受到限制。为此,本研究于2019/20和2020/21主作季分别在该农场的雅雅古莱区和研究站的阿达玛区进行了田间试验,以评价不同品种的teff对npsznb混合肥料的响应。在两个试验点分别评价了3个苔麸品种(Dagim、Kora、Nigus)和5个氮磷锌混合肥料(0、50、100、150和200 kg ha - 1)的施用效果。处理采用随机完全区组设计的因子排列,在两个地点有三个重复。Kora品种的生物量(7,639 kg ha - 1)、谷物(1,944 kg ha - 1)和秸秆(5,696 kg ha - 1)产量最高,与Dagim品种相比,Nigus品种在站内没有统计学差异。与农场相比,该站记录的产量也更高。在200 kg ha - 1 NPSZnB,农场和站点分别记录到了最高的生物量(7,341和8,868)、谷物(1,767和2,477)和秸秆(5,507和6,391 kg ha - 1)产量。此外,200 kg ha - 1 NPSB在农场和站点的平均倒伏指数最高,分别为82.56%和63.89%。此外,部分经济分析表明,200和150 kg ha - 1 NPSZnB处理的Dagim品种在农场和站点分别产生了更好的净效益(533,745和106,204 Birr ha - 1),边际收益率更高(6,771.9%和4,621.9%)。因此,在Yaya Gulale区(农场)施用200 kg ha - 1,在Adama区(站)施用150 kg ha - 1 NPSZnB,可以提高埃塞俄比亚teff的产量和经济效益。
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引用次数: 0
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Advances in Agriculture
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