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Soil Drench with Fungicides Alternatives Against Root Rot Incidence of Some Vegetables Under Greenhouse Conditions 温室条件下几种蔬菜根系腐病防治的土壤滴灌杀菌剂替代研究
Pub Date : 2012-04-09 DOI: 10.5923/J.IJAF.20120202.10
M. Abdel-Kader, N. El-Mougy, M. Aly, S. Lashin, R. El-Mohamady
Soil drench with furfural, Humic & Folic acid and/or bio-agents treatments were evaluated against root rot incidence of Cucumber, Cantaloupe, Tomato and Pepper in pot experiments. The pathogenic fungi, Fusarium solani, F. oxysporum, Rhizoctonia solani, Sclerotium rolfsii, Sclerotinia sclerotiorum, S. minor, Macrophomina phaseolina, Alternaria solani and Pythium sp. As well as bio-agents, T. harzianum, T. viride, Bacillus subtilis and Pseudomonas fluorescens were used in this study. The obtained results revealed the efficacy of applied some of plant resistance inducers and/or bio-agents as soil drench against tested vegetables root diseases incidence at both pre-, and post-emergence growth stages comparing with untreated control. Applied treatments of the bio-agents in combination with the tested chemicals resulted in higher significant reduction in root rot incidence than each of them alone. Treatments of T. harzianum either alone or combined with chemicals were superior for reducing root rot disease for all tested vegetable plants followed by B. subtilis treatments comparing with the other tested ones. More detailed studies are required to elucidate formulations of antagonists and alternative fungicides for more successful protection against such soil-borne diseases.
在盆栽试验中,评价了糠醛、腐植酸和叶酸和/或生物制剂对黄瓜、哈密瓜、番茄和辣椒根腐病发生的影响。以病原菌茄枯菌、尖孢镰刀菌、茄根丝核菌、罗氏菌核菌、菌核菌、小葡萄球菌、菜绿大孢菌、茄交孢菌和皮孢菌为研究对象,以哈茨芽孢杆菌、绿芽孢杆菌、枯草芽孢杆菌和荧光假单胞菌为研究对象。结果表明,施用一些植物抗性诱导剂和/或生物制剂作为土壤水剂,与未施用的对照相比,在出苗期前和出苗期后对被试蔬菜根系病害的发生率均有显著的降低。生物制剂与试验化学品联合施用比单独施用更能显著降低根腐病发病率。对所有被试蔬菜,单独或联合化学药剂处理对根腐病的防治效果均较好,其次是枯草芽孢杆菌处理。需要进行更详细的研究,以阐明拮抗剂和替代杀菌剂的配方,以便更成功地预防这些土传疾病。
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引用次数: 10
Influence of Chicken Manure on Growth and Yield of Forage Sorghum (Sorghum Bicolor L.Moench ) 鸡粪对饲用高粱生长和产量的影响
Pub Date : 2012-04-09 DOI: 10.5923/J.IJAF.20120202.09
Feisal M. Ismaeil, A. Abusuwar, Ahmed M. El Naim
The increasingly demand of chicken meat in Sudan has prompted more poultry farming with consequent ef- fects on increased utilization of organic wastes (e.g. chicken manure) as fertilizers. Organic wastes contain varying amounts of water, mineral nutrients and organic matter. While the use of organic wastes as manure has been in practice for centuries world-wide. A field experiment was conducted at the Experimental Farm of the Faculty of Agriculture, University of Khartoum, Shambat during the period (February - May 2007) to study the effect of different rates of chicken manure on growth and forage yield of sorghum (Sorghum bicolor (L.), Moench). The treatments consisted of four levels of chicken manure; 0, 1.2, 2.5 and 5.0 tons/ha. The treatments were arranged in a Randomized Complete Block Design in four repli- cates. The character studies were plant population, plant height, number of leaves per plant, stem diameter, leaf area index, and fresh and dry forage yield. The results showed that there were significant differences among treatments in most pa- rameters during the growing period for growth attributes under study. Chicken manure resulted in an increase in growth attributes as well as forage yield. Chicken manure (5 tons/ha) produced higher fresh and dry forage at harvest than the other treatments.
苏丹对鸡肉日益增长的需求促使更多的家禽养殖,从而增加了有机废物(如鸡粪)作为肥料的利用。有机废物含有不同数量的水、矿物质营养物质和有机物。而使用有机废物作为肥料已经在世界范围内实践了几个世纪。2007年2 - 5月,在Shambat喀土穆大学农学院实验农场进行了田间试验,研究了不同鸡粪用量对高粱(sorghum bicolor (L.), Moench)生长和饲料产量的影响。处理包括四个水平的鸡粪;0、1.2、2.5和5.0吨/公顷。采用随机完全区组设计,分为4个重复组。性状研究包括种群、株高、单株叶数、茎粗、叶面积指数和鲜干饲料产量。结果表明,各处理间在生育期的大部分生长属性指标存在显著差异。鸡粪能提高生长性状和饲料产量。鸡粪(5吨/公顷)在收获时比其他处理产生更多的新鲜和干饲料。
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引用次数: 19
Integration of Biological and Fungicidal Alternatives for Controlling Foliar Diseases of Vegetables Under Greenhouse Conditions 温室条件下防治蔬菜叶面病害的生物与杀菌剂组合研究
Pub Date : 2012-04-09 DOI: 10.5923/J.IJAF.20120202.07
M. Abdel-Kader, N. El-Mougy, M. Aly, S. Lashin
Evaluation the efficacy of bio-agents, resistance chemical inducers and/or thyme oil application as foliar spray against vegetables foliar diseases incidence was carried out in open greenhouse conditions. The tested bio-agents were Trichoderma harzianum, T. Viride, Bacillus subtilis, Pseudomonas flourescens and Saccharomyces serevisiae. Calcium chloride, Potassium monohydrogen phosphate, Potassium bicarbonate, Saccharin, Ascorbic acid, Chitosan and Humic & Folic acid (mixture) as resistance chemical inducers were evaluated. The recorded foliar diseases, i.e. Powdery, Downy mildews of Cucumber, Cantaloupe and Pepper as well as Early, Late blights of Tomato were significantly reduced at all treatments either alone or in combinations comparing with untreated plants. Application with either T. harzianum and B. subtilis showed significant reduction in diseases incidence comparing with the other applied bio-agents. Under artificial infestation the most significant reduction in diseases incidence of tested vegetables were recorded in combined treatments of chemical inducers and S. serevisiae, i.e. (Chitosan + Thyme oil); (Chitosan + Saccharin); (Chitosan + Calcium chloride + S. serevisiae); (Chitosan + Potassium monohydrogen phosphate); (Saccharin + Potassium monohydrogen phosphate) ; (Humic & folic + Thyme oil) and (Chitosan + S. serevisiae) comparing with other applied treatments as well as untreated control. On the light of the present study it could be suggested that the usage of combined application of the bio-agents with resistance plant chemicals might be used as easily applied, safely and cost effective control methods against such foliar plant diseases.
在露天温室条件下,评价了生物制剂、抗性化学诱导剂和百里香油叶面喷施对蔬菜叶面病害的防治效果。被试生物制剂为哈茨木霉、绿霉、枯草芽孢杆菌、荧光假单胞菌和serviisiae酵母。对氯化钙、磷酸一氢钾、碳酸氢钾、糖精、抗坏血酸、壳聚糖和腐植酸和叶酸(混合物)作为抗性化学诱导剂进行了评价。黄瓜、哈密瓜和辣椒的粉霉病、霜霉病和番茄的早、晚疫病在单独或组合处理下均显著低于未处理植株。与施用其他生物制剂相比,施用哈兹芽孢杆菌和枯草芽孢杆菌均可显著降低病害发病率。在人工侵染条件下,化学诱导剂与壳聚糖+百里香油联合处理对受试蔬菜病害的降低效果最显著;(壳聚糖+糖精);(壳聚糖+氯化钙+ serviisiae);(壳聚糖+磷酸氢钾);糖精+磷酸一氢钾;(腐植酸+叶酸+百里香油)和(壳聚糖+丝状球菌)与其他施用处理和未处理对照比较。根据本研究结果,生物制剂与植物抗性药剂联合施用可作为防治植物叶面病害的一种简便、安全、经济的方法。
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引用次数: 33
Comparative Analysis of the Chemical Nutrient Composition of Selected Local and Newly Introduced Rice Varieties Grown in Ebonyi State of Nigeria 尼日利亚埃邦伊州本地和新引进水稻品种化学营养成分的比较分析
Pub Date : 2012-04-09 DOI: 10.5923/j.ijaf.20120202.04
Oko A. O., U. B. E., Efisue A. A., D. N.
We investigated the chemical nutrient composition of 15 selected indigenous and five of the newly introduced hybrid rice varieties in Ebonyi State, Nigeria. The rice cultivars were field-grown, processed, and analyzed for proximate and mineral composition. The results showed that cv. "Canada" had the highest ash content (2.0 %). High percentage carbohydrate was found in all the genotypes (51.5 - 86.9 %). Cv."E4212" had the highest crude protein (7.94 %), while "Sipi" had the least (1.58 %). Cv."E4197" had the least energy value of 262.94 J/Kg, while "Canada" had the highest value of 398.82 J/Kg. "Canada" had the highest fat content (3.5 %), while "Sipi" and "Faro14 (I)" both contained the least fat (0.5 %). "China" and "Mass (II)" similarly had the highest percentage of crude fibre (2.5 %), while "E4334", "Faro 25 (II)" and "Mass (I)" all had the least value of 1.0 % for crude fibre. Cv."E4197" had a very high moisture content of 9.6 % as against "E4212" which had the least moisture content of 5.0 %. In relation to mineral content, "Chinyereugo" was highest in calcium (0.13 %), "Faro1(I)" had the highest amount of Magnesium (0.26 %), "E4197" and "E4212" had the highest percentage of phosphorus (0.55 %),"E4197" and "E4212" had the highest concentration of potassium (0.23 %), while "Canada", "Faro15 (II)" and "Chinyereugo" possessed the highest percentage of sodium (0.17 %). One of the newly introduced hybrid varieties "E4212" had relatively higher protein and mineral contents, but less fat content. "Sipi" variety has no special quality attributes over the other existing local rice varieties apart from the fact that it is among the varieties that contain relatively low fat percentage just as "Faro 14". The "Faro" varieties showed good proximate and mineral composition values which consumers would desire. The high premium presently placed on "Mass" varieties is uncalled for, since it has got no special characteristics over most other varieties. Consumers and farmers should therefore be better informed on the choice of rice varieties based on their nutritional quality attributes.
我们调查了尼日利亚埃邦伊州15个精选的本地品种和5个新引进的杂交水稻品种的化学营养成分。这些水稻品种在田间种植、加工,并分析了其近似成分和矿物成分。结果表明,cv。“加拿大”的灰分含量最高(2.0%)。所有基因型均有较高的碳水化合物比例(51.5% ~ 86.9%)。简历。“E4212”粗蛋白质含量最高(7.94%),“Sipi”最低(1.58%)。简历。“E4197”的能量值最低,为262.94 J/Kg,“加拿大”的能量值最高,为398.82 J/Kg。“Canada”的脂肪含量最高(3.5%),“Sipi”和“Faro14 (I)”的脂肪含量最低(0.5%)。同样,“China”和“Mass (II)”的粗纤维含量最高(2.5%),而“E4334”、“Faro 25 (II)”和“Mass (I)”的粗纤维含量最低,为1.0%。简历。“E4197”的水分含量非常高,为9.6%,而“E4212”的水分含量最低,为5.0%。矿物质含量方面,“Chinyereugo”钙含量最高(0.13%),“Faro1(I)”镁含量最高(0.26%),“E4197”和“E4212”磷含量最高(0.55%),“E4197”和“E4212”钾含量最高(0.23%),“Canada”、“Faro15 (II)”和“Chinyereugo”钠含量最高(0.17%)。其中新引进的杂交种E4212蛋白质和矿物质含量较高,但脂肪含量较低。“思皮”品种除了与“法鲁14”一样属于脂肪含量相对较低的品种外,与其他地方现有的水稻品种相比,没有什么特殊的品质属性。“Faro”品种显示出消费者所希望的良好的近似和矿物成分价值。目前对“大众”品种的高额溢价是没有必要的,因为它与大多数其他品种相比没有什么特别之处。因此,消费者和农民应该更好地了解根据其营养质量属性选择水稻品种的情况。
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引用次数: 114
Role of Agricultural Finance in Producing Food Crops 农业金融在粮食作物生产中的作用
Pub Date : 2012-04-09 DOI: 10.5923/J.IJAF.20120202.03
Elgilany A. Ahmed, H. Faki, Abubkr Hussein
This paper presents a comparative analysis of current trends in financing of main food crops in the public irri- gated schemes of the River Nile State (RNS) and analyzes various agricultural credit mechanisms that have been used in the State. It aims to explore the plausible framework in order to increase agricultural outputs and farmers returns in the area of study. It was on this basis the research undertook Elzeidab scheme of RNS as a case study. Primary data was collected by using structured questionnaires for (70) randomly selected respondents from Elzeidab scheme. Statistical analysis has been employed to assess current situation in financing of main food crops in the scheme. The paper unveiled that these crops are described as low value crops. Also, it revealed that the formal finance is characterized as inefficient to serve the target part of farmers while the informal one is limited to cover the farmer' expenditures. The paper concluded that, the credit market in RNS is not well developed and the majority of households (93%) have no access to formal financial institutions. This al- lows the recommendation to be drawn that improving finance institutions will enable the tenants to improve their farm re- sources use.
本文对尼罗州(RNS)公共灌溉计划中主要粮食作物融资的当前趋势进行了比较分析,并分析了该州使用的各种农业信贷机制。它旨在探索合理的框架,以便在研究领域增加农业产出和农民回报。在此基础上,本研究以RNS的Elzeidab方案为例进行了研究。从Elzeidab方案中随机抽取70名调查对象,采用结构化问卷收集初步数据。已采用统计分析来评估该计划中主要粮食作物的筹资现状。这篇论文揭示了这些作物被描述为低价值作物。研究还发现,正规金融在服务农民目标群体方面效率低下,而非正规金融则局限于支付农民的支出。本文的结论是,农村地区的信贷市场不发达,大多数家庭(93%)无法进入正规金融机构。因此,可以提出建议,即改善金融机构将使租户能够改善其农场资源的利用。
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引用次数: 8
Meat and Bone Meals in Agronomy Performance of Tifton Grass 肉骨粉对提夫顿草农艺性能的影响
Pub Date : 2012-04-09 DOI: 10.5923/J.IJAF.20120202.12
A. C. Simões, Igor Vilela Cruz, C. Cruz, K. G. Souza, E. Fernando, M. D. Souza, Jairo Rafael Machado Dias, E. Ferreira
A major problem is tropical pasture conditions in acid soils of low fertility. In this context the condition of nutrition of forage plants has low availability of phosphorus (P). The present study aimed to evaluate the effect of two phosphate sources (meat and bone meals and superphosphate) in dry matter production of Tifton (Cynodon dactylon L.). The experiment was conducted from March to July 2011, in the experimental farm of UNIR, Rolim de Moura, RO. The ex- periment was carried out in buckets of 10 kg of soil. Treatments were the addition of increasing doses of P2O5 (0, 100, 200 and 300 kg ha -1 ) plots with nitrogen fertilization (20 kg ha -1 ) in each section (30 days), there is still a witness (only N) and absolute control (no N and no P). The randomized blocks design was used with five replicates (3x2+2). Variable analysis, had different levels of production in relation to the cutting times can be attributed to the difference in solubility between the sources of P2O5 studied. In terms of response in four sections, the production levels of dry matter generated by the meat and bones proved effective in relation to single super phosphate, ranging from 94%, 66% and 78% compared with the doses 100, 200 and 300 kg ha -1 , respectively. The meat and bone meal produced satisfactory answers in relation to dry matter production of Tifton, compared to conventional fertilization.
一个主要的问题是热带牧场在低肥力的酸性土壤中的条件。在饲料植物营养条件较差的情况下,本研究旨在评价两种磷酸盐来源(肉骨粉和过磷酸钙)对提夫顿(Cynodon dactylon L.)干物质生产的影响。试验于2011年3月至7月在RO Rolim de Moura UNIR实验农场进行。实验是在装10公斤土的桶里进行的。试验采用5个重复(3x2+2)的随机区组设计,每段分别递增P2O5(0、100、200和300 kg ha -1)施氮量(20 kg ha -1),其余为见证(仅施氮)和绝对对照(不施氮和不施磷)。变量分析表明,不同生产水平与切削次数的关系可归因于P2O5溶解度的差异。就四个部分的响应而言,与施用100、200和300 kg ha -1的剂量相比,施用单一超磷酸盐时,肉和骨头产生的干物质产量水平分别为94%、66%和78%。与常规施肥相比,肉骨粉对蒂夫顿干物质产量的影响令人满意。
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引用次数: 5
Factors Influencing Credit Default: A Case Study of Maize Farmers in the Asante Akim North District of Ashanti Region 信用违约影响因素:以阿散蒂地区阿散蒂阿基姆北区玉米农户为例
Pub Date : 2012-04-09 DOI: 10.5923/J.IJAF.20120202.05
F. Nimoh, E. K. Tham-Agyekum, Samuel Ayisu
In order to empirically assess the factors causing the default of credit repayment among maize farmers, a study of this nature becomes imperative. The Asante Akim North District of the Ashanti Region was selected because, maize farmers in the District had benefitted from the Special Maize Project (SMP). The target population was all 400 maize farmers. A total sample size of 60 maize farmers was selected using the systematic sampling for every 5th person from the sampling frame. Frequencies, percentages and the probit model were used to analyse the data. Results of the probit model revealed that age, household size, rent, status of farmer and output significantly influence credit default. About 87% of the farmers con- sider the SMP idea as a good step by MOFA. The study recommends that farmers from different areas should also be included in the project.
为了实证地评估造成玉米农户信用违约的因素,对这一性质的研究势在必行。选择阿散蒂地区的阿散蒂阿基姆北区是因为该区的玉米农民从特殊玉米项目(SMP)中受益。目标人群是全部400名种植玉米的农民。采用系统抽样法,每隔5人抽取60名玉米农户作为样本。使用频率、百分比和概率模型对数据进行分析。probit模型结果显示,年龄、家庭规模、租金、农民地位和产量对信用违约有显著影响。约87%的农民认为农业部的SMP计划是一项很好的举措。该研究建议,来自不同地区的农民也应纳入该项目。
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引用次数: 5
Substitutes or Complements?: Formal and Informal Credit Demand by Maize Farmers in Ashanti and Brong Ahafo Regions of Ghana 替代品还是补语?:加纳阿散蒂和布隆阿哈福地区玉米农民的正式和非正式信贷需求
Pub Date : 2012-01-31 DOI: 10.5923/J.IJAF.20120203.05
D. Awunyo-Vitor, V. Abankwah
This study examines credit demand by maize farmers and analyses factors influencing their use of informal and formal credits. The analysis is based on data collected from a survey of 590 maize farmers in seven districts of Ashanti and Brong Ahafo Regions of Ghana during May-July 2010. Descriptive statistics, probit and bivariate probit models were used to analyse the data. The study revealed informal credit sources for maize farmers as relatives and friends, traders and private money lenders. Maize traders are major players in the informal credit market followed by agricultural input sellers. Among the formal sources rural banks are the most prominent. Regional location, Gender, engagement in other economic activities and the level of agricultural commercialisation were observed to be factors that influence farmers’ demand for informal credit. In addition to these factors, farmer years of education and proximity to financial institution influence demand for formal credit. The result of the bivariate probit suggests that formal and informal credits are not necessarily perfect substitutes but they complement each other to provide credit needs of farmers in maize production.
本研究考察了玉米农民的信贷需求,并分析了影响他们使用非正式和正式信贷的因素。该分析基于2010年5月至7月期间对加纳阿散蒂和布朗阿哈福地区7个地区590名玉米农民进行的调查收集的数据。使用描述性统计、probit和双变量probit模型对数据进行分析。该研究揭示了玉米种植者的非正式信贷来源,如亲戚和朋友、贸易商和私人放债人。玉米贸易商是非正规信贷市场的主要参与者,其次是农业投入品销售商。在正规资金来源中,村镇银行最为突出。据观察,区域位置、性别、参与其他经济活动和农业商业化程度是影响农民对非正式信贷需求的因素。除了这些因素外,农民受教育年限和与金融机构的接近程度也影响了对正规信贷的需求。二元概率分析结果表明,正规信贷和非正规信贷不一定是完全替代的,但它们可以相互补充,以满足农民在玉米生产中的信贷需求。
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引用次数: 28
期刊
International Journal of Agriculture and Forestry
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