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Toxicity of Certain Insecticides and their Mixtures for Manage of Thrips (Thripidae: Thysanoptera) on Onion Crop under Field Conditions 田间条件下某些杀虫剂及其混用对洋葱作物蓟马(蓟马科:蓟马翅目)的毒性研究
Pub Date : 2023-09-30 DOI: 10.21608/asejaiqjsae.2023.310051
Rabee A.E. Ali, Osama A.A. Zedan, Haitham Ramadan
The common onion Allium cepa L., belonging to family Alliaceae is considered as one of the oldest cultivated plants worldwide and cultivated under a widely range of climates. Onion has a great economic importance and used in the nutrition habits in all households. There are several insect pests linked with cultivated onion in the filed such as onion thrips. Onion thrips ( Thrips tabaci ) are important pests on onion and the populations can develop very rapidly so it is necessary to control its population on onion. The experiments were applied in the field to evaluate four synthetic pesticides (imidacloprid, acetamiprid, thiamethoxam and lambda-cyhalothrin) and insecticide “abamectin” and their mixtures, also to study combination of these compounds with Nonylphenol Ethoxylate (NP9) as adjuvants on their toxicity against Thrips tabaci on the onion field during 2023 season. The obtained results showed that, all tested compounds when used alone or in their mixtures or combination with (NP9) as adjuvants were highly effective in controlling Thrips tabaci .
普通洋葱Allium cepa L.,属于葱科,被认为是世界上最古老的栽培植物之一,在广泛的气候下种植。洋葱具有重要的经济价值,被广泛应用于家庭的营养习惯中。在栽培洋葱的田间,有几种与洋葱有关的害虫,如洋葱蓟马。洋葱蓟马(thrips tabaci)是洋葱上的重要害虫,其种群发展迅速,有必要对洋葱进行控制。通过田间试验,评价了吡虫啉、啶虫脒、噻虫嗪和高效氯氟氰菊酯4种合成农药和杀虫剂阿维菌素及其配伍剂,并研究了与壬基酚聚氧乙酸酯(NP9)作为佐剂配伍对2023年洋葱田烟蚜的毒力。结果表明,所有化合物单独使用或与(NP9)混合使用或与(NP9)联合作为佐剂对烟蓟马均有较好的防治效果。
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引用次数: 0
Soil Fertility Evaluation and Fertilizer Requirements of Nitrogen, Phosphorus and Potassium for Wheat Production (Sharq El-Owainat – Western South Egypt) 小麦生产土壤肥力评价及氮、磷、钾需要量(Sharq El-Owainat -南埃及西部)
Pub Date : 2023-09-30 DOI: 10.21608/asejaiqjsae.2023.315235
Emad Abdelaty, Abdrabelnabi Abd-El-Hady, Ebrahim Shehata
ElWadi Elgadeed is one of the promising areas for national agricultural projects in Egypt. Soil fertility index and precision farming seek to maximize yield and reduce environmental damage. Therefore, this study aimed to assess the soil fertility of NPK. 25 soil samples (depth 0-50 cm) were collected. The results showed that most of the soil samples were nitrogen moderate fertile (Mf) and high fertile (Hf) with a percentage of (44%). Dissimilar, 64% of soil samples were low soil phosphorus fertility class, which has low wheat potential production (< 500 Kg ha -1 ). GIS-map of N-soil fertility classes (FN) classified the soil samples into four groups. Relating to the GIS–map of P– soil fertility marked the absence of the very high fertile class, the minority of the high fertile class (92.00 ha, 0.09%), and the dominance of the low fertile class (7352.00 ha, 72.94 %). The potassium very high fertile class occupied the whole of the studied area (10080 ha, 100 %). GIS Maps illustrated that most of the studied area had no need for N application for low wheat production (< 500 Kg ha -1 ), and 5 kg ha -1 N applied to (55. 05%) of the area to moderate wheat production (500–750 Kg ha -1 ). Attaining high wheat production (750 -1000 Kg ha -1 ) classified the studied area into nine levels of N requirements. We assigned different eight P application levels to have high wheat production. Finally, the research referred to that there is no need for K fertilizer, even for high wheat production.
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引用次数: 0
An Econometric Analysis of the Causality Relationship Between Macroeconomic Variables and the Public Budget Deficit in Malaysia during the Period (1990–2019) 马来西亚宏观经济变量与公共预算赤字因果关系的计量分析(1990-2019年)
Pub Date : 2023-09-30 DOI: 10.21608/asejaiqjsae.2023.318124
Yousra Al-Demerdash, Ahmed El-Rasoul, Hala E. Bassiouny
ABSTRACT
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引用次数: 0
Farmers Knowledge of The Negative Effects of Climate Change on Agricultural Production and Their Sources of Information About It in some Villages at Al-Buhera Governorate Al-Buhera省一些村庄的农民对气候变化对农业生产的负面影响的认识及其信息来源
Pub Date : 2023-09-30 DOI: 10.21608/asejaiqjsae.2023.317551
Hanan Nagib
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引用次数: 0
The Exchange Rate and its Impact on Egyptian Agricultural Exports and Imports 汇率及其对埃及农产品进出口的影响
Pub Date : 2023-09-30 DOI: 10.21608/asejaiqjsae.2023.308362
E. Zaki
The research aimed mainly at studying the impact of the exchange rate on the value of Egyptian agricultural exports and agricultural imports during the period (2000-2022). The research used the vector auto regression model (VAR) through using the Dickey Fuller test and Granger causality test to examine a causal relationship among these variables. The results showed that is a significant direct relationship between the exchange rate and agricultural exports which an increase by 10% in the exchange rate will leads to an increase by 13.4% in the value of agricultural exports. However, the results proved that there is no cointegration relationship between these two variables, and the results also showed that there is no causal relationship between them. Also, the results shows there is a significant direct relationship between the exchange rate and agricultural imports, and this isn't consistent with the economic theory because imports are inflexible, and most of the production inputs are imported from abroad, and there is no cointegration relationship or a causal relationship between these two variables.
该研究主要旨在研究汇率对2000-2022年期间埃及农产品出口和农产品进口价值的影响。本研究采用向量自回归模型(VAR),通过Dickey Fuller检验和Granger因果检验来检验这些变量之间的因果关系。结果表明,汇率与农产品出口之间存在显著的直接关系,汇率每上升10%,农产品出口价值就会增加13.4%。然而,结果证明这两个变量之间不存在协整关系,结果也表明它们之间不存在因果关系。此外,研究结果表明,汇率与农产品进口之间存在显著的直接关系,这与经济学理论不一致,因为进口是不灵活的,大部分生产投入是从国外进口的,这两个变量之间不存在协整关系或因果关系。
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引用次数: 0
Impacts of Geomorphic Units on Soil Properties in Wadi El-Ashara, Suez Canal West, Egypt 埃及苏伊士运河西部Wadi El-Ashara地区地貌单元对土壤性质的影响
Pub Date : 2023-09-30 DOI: 10.21608/asejaiqjsae.2023.312322
A. Elwan
Soil characteristics and processes are governed by soil formation factors. This study aimed to assess the influence of geomorphological units and related criteria of soil parent material and topographic feature on soil properties and formation in Wadi El-Ashara, Egypt. The impact of bedrock catenas and slope position as geomorphic criteria on soil properties was investigated in Wadi El-Ashara, West of Suez Canal. The obtained results were utilized to investigate variations in the existing diagnostic criteria of the World Reference Base (WRB) and USDA Soil Taxonomy schemes. To reach these objectives, ten soil pedons were characterized across two distinct catenas in Wadi El-Ashara. The study's findings revealed that soil salinity increased downslope on piedmont and basin floor landforms. The summit positions of two catenas have weakly developed soils, but the midslope and downslope positions have more developed soils because the stable topography permits the formation of gypsic, calcic, sodic, and salic horizons. By the USDA system, soils of limestone catena were classified as Lithic Torripsamments and Lithic Torriorthents at the upslope positions, Sodic Haplocalcids at the midslope position, and Typic Torriorthents and Typic Haplocalcids at downslope position. The soils at the toeslope of the limestone catena were grouped as Solonchaks by the WRB system, since the salinity fits the requirements of salic horizon in the WRB system, but did not fit according to the USDA system, which should be standardized. This feature strongly influences soil classification and soil types across the studied two catenas. Furthermore, the soils of uppermost areas of gypsum catena (summit and shoulder) were classified as Lithic Torriorthents and Leptic Haplogypsids according to USDA system instead of Leptosols and Gypsisols by the WRB system while soils in the backslope and footslope, with secondary gypsum accumulations, were categorized as Typic Haplogypsids by USDA system and Gypsisols by WRB system. Topography across slope positions induced differences in soil depth, soil texture, water retention, soil salinity, horizonation, and morphology of studied soils from the summit to the toeslope along both catenas. According to the study's conclusions, the current versions of the WRB and USDA systems have shortcomings that necessitate standardization in order to improve these systems and develop a uniform classification method. Parent material and topography across distinct slope positions were identified as the two primary soil-forming factors influencing soil properties in the two examined catenas at Wadi El-Ashara
土壤的特性和过程受土壤形成因素的支配。本研究旨在评估埃及Wadi El-Ashara地区的地貌单元、土壤母质相关标准和地形特征对土壤性质和形成的影响。在苏伊士运河以西的Wadi El-Ashara地区,研究了基岩链和坡位作为地貌标准对土壤性质的影响。利用所得结果调查了世界参考库(WRB)和美国农业部土壤分类方案现有诊断标准的差异。为了达到这些目标,在Wadi El-Ashara的两个不同链上对10个土壤基进行了表征。研究结果表明,在山前和盆地底部地形,土壤盐度会增加。两个链带的顶部土壤发育较弱,但中坡和下坡位置土壤发育较好,因为稳定的地形允许形成石膏、钙、钠和盐层。在USDA系统中,石灰岩链带的土壤在上坡位置可分为Lithic Torripsamments和Lithic Torriorthents,在中坡位置可分为Sodic haplocalcid,在下坡位置可分为Typic Torriorthents和Typic haplocalcid。石灰石连片带趾坡的土壤盐度符合WRB系统的盐碱层要求,但不符合USDA系统的盐碱层要求,因此WRB系统将其归为Solonchaks。这一特征强烈影响土壤分类和土壤类型在研究的两个链。此外,石膏链的最上部(顶和肩)土壤被USDA系统分类为石质土和轻质单形土,而不是被WRB系统分类为轻质土和石膏土,而后坡和脚坡有次生石膏堆积的土壤被USDA系统分类为典型单形土,被WRB系统分类为石膏土。不同坡位的地形导致了土壤深度、土壤质地、保水力、土壤盐度、水平和研究土壤形态的差异,从顶部到脚趾坡沿着两条链。根据该研究的结论,WRB和USDA系统的当前版本存在缺陷,需要进行标准化,以改进这些系统并制定统一的分类方法。不同斜坡位置的母质和地形被确定为影响Wadi El-Ashara两个被检查的链带土壤性质的两个主要土壤形成因素
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引用次数: 0
Queen Rearing Activity and Virgin Queen’s Weight for Enhancing the Beekeeping Performance among the Carniolan, Buckfast, Italian and Cordovan Bees 蜂王的饲养活动和处女蜂王的体重对提高卡尼奥兰、巴克法斯特、意大利和科多瓦蜜蜂的养蜂性能的影响
Pub Date : 2023-09-30 DOI: 10.21608/asejaiqjsae.2023.314232
Haitham Ramadan
Beekeepers around the world try their best to find the convenient geographical and economical races for pollinating and highly amount of honeybee products. However, from all known geographical races, Carniolan and Italian and other developed genotypes such as Buckfast and Cordovan bees are widely use by beekeepers in the most of countries. Nicot Cupkit apparatus system for queen rearing used in this study to compare and evaluate the Carniolan, Italian, Buckfast, and Cordovan bees’ activity in the queen cells acceptance. In general, Cordovan genotype recorded the highest level of the percentage of queen cells acceptance followed by Buckfast, Italian, and Carniolan bees under the Egyptian environmental conditions. The highest queen cells acceptance percentage in general was in April, May, and July for all examined races and genotypes. In addition to, Buckfast bees recorded the highest rate of virgin queens’ weight followed by Carniolan bees, whereas Cordovan bees recorded regular rate of the virgin queens’ weight with no significant differences between the different study months. Furthermore, Carniolan and Buckfast bees had the best rate in virgin queens’ weight during the period from February to July with preference of virgin queens emerged in May and June. This study provides a firm basis for future research to better understand the biological and genetic differences between the examined honeybee races and genotypes and their roles in adaptation to the environmental conditions in Egyptian apiaries of bee breeding in Egypt.
世界各地的养蜂人都在努力寻找地理上方便和经济的授粉品种和大量的蜜蜂产品。然而,在所有已知的地理种族中,卡尼奥兰和意大利以及其他发达的基因型,如巴克法斯特和科尔多瓦蜜蜂,被大多数国家的养蜂人广泛使用。本研究采用Nicot Cupkit蜂王饲养仪系统,比较和评价了卡尼奥兰蜂、意大利蜂、巴克法斯特蜂和科尔多瓦蜂在蜂王细胞接受方面的活动。总的来说,在埃及的环境条件下,Cordovan基因型的蜂王细胞接受率最高,其次是Buckfast、意大利和卡尼奥兰蜜蜂。对于所有被检查的种族和基因型,最高的后细胞接受率一般在4月、5月和7月。此外,巴克法斯特蜜蜂记录的处女女王体重率最高,其次是卡尼奥兰蜜蜂,而科多凡蜜蜂记录的处女女王体重率正常,不同研究月份之间没有显著差异。2 - 7月是卡尼蓝蜂和巴克法斯特蜂的初蜂重率最高的时期,5 - 6月出现了对初蜂的偏爱。本研究为进一步了解所研究的蜜蜂品种和基因型之间的生物学和遗传学差异及其在埃及养蜂场对环境条件的适应中的作用提供了坚实的基础。
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引用次数: 0
Information Needs of Farmer About the Physiological Damages of Pepper under Protected Cultivation System in some Villages of Badr District, Beheira Governorate 贝海拉省巴德尔地区部分村庄辣椒保护性栽培制度下农户生理危害信息需求分析
Pub Date : 2023-09-30 DOI: 10.21608/asejaiqjsae.2023.312311
M. Zayed, Shimaa M. Naba, Shreen Asy
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引用次数: 0
Potato Farmers’ Knowledge and Practices Related to Adaptation to the Effects of Climate Changes in A Number of Villages of Kom Hamada District, El- Beheira Governorate El- Beheira省Kom Hamada地区若干村庄马铃薯农民适应气候变化影响的知识和实践
Pub Date : 2023-09-30 DOI: 10.21608/asejaiqjsae.2023.308367
Abu Zaid Mohamad Al-Habal, Mona Mohamed Yousry, Kamal Salah Saker, Mahmoud Belal Motawea
ABSTRACT
摘要
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引用次数: 0
An Analytical Economic Study of the Production and Consumption of Nitrogen Fertilizers in Egypt 埃及氮肥生产和消费的经济学分析研究
Pub Date : 2023-09-30 DOI: 10.21608/asejaiqjsae.2023.310385
Maha M. B. Ahmed
ABSTRACT
摘要
{"title":"An Analytical Economic Study of the Production and Consumption of Nitrogen Fertilizers in Egypt","authors":"Maha M. B. Ahmed","doi":"10.21608/asejaiqjsae.2023.310385","DOIUrl":"https://doi.org/10.21608/asejaiqjsae.2023.310385","url":null,"abstract":"ABSTRACT","PeriodicalId":7560,"journal":{"name":"Alexandria Science Exchange Journal","volume":"39 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83414805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Alexandria Science Exchange Journal
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