This study was aimed to investigate the effect of phosphogypsum and humic acids on the leaching and releasing of salts from saline- sodic soil. A laboratory experiment was conducted in polyethylene columns (60.0 cm and 7.1 cm). The columns were filled with 30 cm soil (EC=73.78 dSm-1). The experiment included two factors, phosphogypsum added at levels 0, 5, 10 and 15 mtons ha-1 with symbols PG0,PG1, PG2 and PG3 respectively, and humic acids were added at levels 0, 50, 100 and 150 kg ha-1 with symbols HA0, HA1, HA2 and HA3, mixing them with the top 5 cm of soil column. The electrical conductivity
... Show MoreDrought stress is a major threat on most of the agricultural crops grown in the East Mediterranean Region in the consequence of predicted global climate change (1). Therefore, improving essential cereal crops such as barley is extremely important for this region to increase yield production due to its economic interest and adaptability to dry environments (29). This two-year experiment was carried out in Kalar technical institute, in Garmian region, Iraq during the seasons of 2016-17 and 2017-18. Canopy temperature depression (CTd) and leaf senescence traits (Onset of leaf senescence (SENonset) and End of leaf senescence (SENend)) were evaluated under irrigated and rain-fed conditions for five hybrid genotypes of barley. Canopy t
... Show MoreThis study was aimed to determine extension activities provided to rice farmers in raising the awareness for compost manufacture in Al-Diwaniyah province and investigate the level of awareness of rice farmers in the field of compost manufacturing , as well as the problems facing farmers when manufacturing compost, mythology a questionnaire design to collect data from rice farmers during the 2018 . The research society consisted of the agricultural departments of the directorate of Agriculture in Al Diwaniyah province. A random sample was taken from rice farmers related to the agricultural departments in the Directorate of Agriculture with their (632) farmers,
... Show MoreThis study was aimed to detect the infestation of Rhipicephalus sanguineus of some mammals in Basrah province from January to June 2019. A total 75 of 210 (35.71%) of studied mammals were been infested. This species was isolated from horses in Iraq for the first time. The highest prevalence was recorded in dogs while the lowest in buffaloes. Mean of intensity was recorded mostly in sheep, and the lowest in horses. Highest relative density was recorded in dogs, whereas the lowest was in horses. The highest occurrence was recorded in April, whereas the low
... Show MoreThe objective of this study is to evaluate the production of Xylose reductase (XR) and Xylitol by Candida guilliermondii using wheat straw hydrolysates (WSH) supplemented with 2.0 g/l of (NH4)2SO4 and 0.1 g/l of CaCl2.2H2O as fermentation media . Wheat straw hydrolysis run at 121°C for 15 min. by diluted sulfuric acid . The fermentation process was conducted on a shaker bath (150 rpm) at 30C for 20 h in three separate flasks using different concentration of Xylose being , 30% Xylose , WSH(27.13 g/l Xylose)and WSH plus 30 g/l Xylose. The best concentration( WSH plus 30 g/l Xylose ) was chosen to run the
... Show MoreThis study was aimed to assess the efficiency of N.oleander to remove heavy metals such as Copper (Cu) from wastewater. A toxicity test was conducted outdoor for 65-day to estimate the ability of N.oleander to tolerate Cu in synthetic wastewater. Based on a previous range-finding test, five concentrations were used in this test (0, 50, 100, 300, 510 mg/l). The results showed that maximum values of removal efficiency was found 99.9% on day-49 for the treatment 50 mg/l. Minimum removal efficiency was 94% day-65 for the treatment of 510 mg/l. Water concentration was within the permissible limits of river conservation and were 0.164 at day-35 for the 50 mg/l treatment, decreased thereafter until the end of the obser
... Show MoreThree identically designed systems named designate as MFC-CW, CW1,and CW2 were constructed and setup in this study for simultaneous biotreatment of real petroleum refinery wastewater (PRW) and bioelectricity generation. The three systems were planted with emergent wetland plant of Canna indica. These systems were operated simultaneously in a single batch mode to identify the dominant mechanism for organics removal from PRW. The operation period for each cycle was 8 days. Results demonstrated that maximum removal efficiency of the organic content represented as chemical oxygen demand (COD) were 96.5%, 89.3%, and 91%
... Show MoreThis study was aimed to determine the interaction of cement kiln dust - aqueous solution contaminated with Cadmium ions was studied through set of batch tests with operational conditions of contact time ≤120 min, sorbent dosage from 0.05 to 1 g/100 mL and agitation speed ranged from 50 to 300 rpm for initial concentration of 50 mg/L with initial pH of 3 to simulate the acetogenic phase in the sanitary landfill. The best values of these conditions are 1 hr, 0.7 g/100 mL and 250 rpm respectively, To obtain maximum removal efficiencies of 97.6%. Freundlich and Langmuir models have a high ability in the representation of the sorption data with determination coeffic
... Show MoreThis study was aimed to investigate the development and evaluation of artificial intelligence techniques by using multilayer neural network. Levenberg–Marquardt back propagation (LMA) training algorithm was applied for calculating drinking water quality index (WQI) for Euphrates river (IRAQ). The transfer functions in the artificial network model were tangent sigmoid and linear for hidden and output layers, respectively. Eleven neurons presented for good prediction for results of (WQI) with a coefficient of correlation >0.97 and statistically calculated WQI values, inferring that the model predictions explain 94% of the variation in the calculated WQI scores. The WQI score of the Euphrates was 142 considered as poor. The an
... Show MoreThis study investigated the effect of feeding two levels of rumen degradable protein in the rations during different stages of lactation on milk yield and components , twenty four cross breed Awassi ewes (Turkish Awassi × Iraqi Awassi) were used with their single lambs after birth aged 3-5 years, ewes were divided into two groups with average body weights 66.00 ± 2.32 kg and 67.10 ± 2.62 kg respectively, first group was control fed adequate level of degradable protein (10 g / Mj metabolizable energy) and second group fed high level of degradable protein (12.5 g / Mj metablizable energy) , Lactation period had been divided into three stages (early, 1-50 day ), ( mid , 51-100 day) and (late , 101-150 day), ewes
... Show MoreA field experiment was conducted in Ramadi district - Al-Anbar province during the autumn season of 2018. to study the role of compost (sheep residues) and irrigation levels in some physical properties of soil and water consumption a potato under surface and subsurface drip irrigation system. Randomized Complete Block Design (RCBD) in arrangement of a split- split-plot with three replication were used.The results showed that the addition of 10 Mg.h-1 resulted in a significant decrease in bulk density (BD) values of 1.12 Mg m-3, and increase in the values of (MWD) and (Ks) to reach 1.47 mm and 10.3 cm. hr -1 respectively. The addition of 50% of the NID reduced the BD to 1.24 Mg m-3
... Show MoreThis study was conducted to assess desertification for dry lands in some parts of Iraq. The study area located between longitudes 43025- 41" - 460 28- 01" E and latitudes 340 18- 35" - 360 20- 56" N with an area of 26500Km2which include some parts of the governorates of Sulaimani, Diyala, Kirkuk, and Erbil in Iraq. Eighty nine surface soil samples were taken, air dried, sieved through a 2 mm sieve and then analyzed for some physical and chemical properties. Desertification is assessed according to Mediterranean Desertific
... Show MoreFurrow irrigation is widely used because of its low cost and energy requirement, but less efficient compared with the pressurized irrigation systems. Management of water resources in Vertisols is more problematic compared to other soil groups. This soil is representing a vast crop production resource and account for a considerable portion of the region under study. The preferential flow has a profound effect on the performance furrow irrigation in cracked soils. Accordingly, itis of vital importance to select the most appropriate management practices to improve the performance of surface irrigation in these soils. Accordingly, a series of field experiments were conducted over a cracked soil
... Show MoreThis study was aimed to produce bacteriocin from Bacillus. licheniformis isolated from local soil of corn and sunflower fields and using as antimicrobial agent . Fourteen of local isolates of Bacillus sp. were obtained and ability of these isolates for growth on Brain heart infusion agar (BHI) at 550C were tested. Isolate C4 was revealed high growth density in comparison with other isolates. Isolate C4 was identified as Bacillus licheniformis according to morphological, cultural and biochemical tests, Moreover genetic analysis for 16S rRNA gene an
... Show MoreThis study aimed to estimate the stochastic frontier production function and the inefficiency function and technical efficiency of potato production by using cross-section data collected from 173 potato farms that were randomly selected in Baghdad province/ Yusifiyah for production season 2016. The results showed that 90.6% of inefficiency in production was due to technical inefficiency. Also, there was a significant relationship between the variables of inefficiency function and the inefficiency of farms. The values of the parameters of the stochastic frontier production function were positive and significant for both human work hours and the amount of seeds. However, the parameter of DAP fertilizer was negative and significant.
... Show MoreThis research aims to identify the financial feasibility of some agricultural activities benefiting from the initiative's lending funds, as well as to show the impact of the agricultural initiative on those projects in terms of raising the financial feasibility of their establishment, in the light of the results of the evaluation criteria addressed in the research. Between the years 2009-2011, the financial accounts of the projects were monitored until 2018 to obtain cash flows for the studied projects. Some projects, despite their high investment costs, have been shown to be able to recover the funds invested in a relatively short period of time, and feed plants and similar projects have the potential to recover their costs in a
... Show MoreThis research was aimed study of the impact of at checking the extent of impact of the herd size on the levels of economic efficiency and its components, to indicate the extent of which optimality is realized in the exploitation of sheep breeding fattening inputs and for a sample of 75 farms in the Kokjali region in Nineveh Governorate and for the productive season 2018, spring batch. To achieve the research goal, the sample was divided into three categories according to the numbers of animals in the farms. To measure the economic efficiency and optimality in using the inputs, the DEA data envelopment analysis and the statistical program DEAP were used, and it was found from the results of the analysis that the research sample pr
... Show MoreThe current study was aimed to optimize, characterize and evaluate the antimicrobial and antiadhesive activity of biosurfactant(glycolipid) produce from local isolateLactobacillus helvetiusM5. The obtained results indicate that the highest emulsifying activity occurred at pH 7, Lactose (5%) the best production medium, 1% peptone as nitrogen source, maximum growth and production of biosurfactant was observed at C: N ratio (5:1) and after 120 h of incubation. Partial purified biosurfactant was characterized byfourier transform infrared spectroscopy and gas chromatography mass. FTIR results indicated aliphatic hydrocarbon chains along with
... Show MoreThis study was aimed to identify dermatophytic selective isolate using PCR technique as a rapid molecular assay. The results of this study showed among 60 samples of patients suffering from ringworm disease. forty isolates (66%) were Trichophyton mentagrophytes which diagnosed as dermatophytosis according to morphological and cultural methods. In order to investigate the ability of isolates to keratin analyses using solid medium supplemented with keratin azure , the results revealed that 20 isolates appeared best ability to keratin analysis and nine isolates had best ability for keratinase production in submerged culture.
... Show MoreThis study was applied for extraction flavonoid compounds from Myrtus communis (aerial part)and detection of its effectiveness on growth of one of dermatiphytic isolates and keratinase activity, Trichophyton mentagrophytes was the most common isolates which was obtained with frequency (66%), the identification and quantitation of flavonoids was carried out by thin layer and high performance liquid chromatography. The results showed that each 100 g of aerial part of the plant contained 850 mg total flavonoids as rutin).The HPLC chromatogram for M. communis flavonoid extract revealed that, M. communis flavonoid
... Show MoreThis research dealt with study of cladistics taxonomy of five species related to the genus Rumex L. and Polygonum L. from family polygonaceae in Iraq by using Mesquite software V.2.75. This research support strongly delimiting the species P. aviculare L. and P. lapathifolia L.as suggested in floras publication while R. dentatus L. is setted in single group whereas R. vesicarius L. and R. conglomeratus Murray were included in the same group. Also, this study involved characteristics of shape, dimensions, color, and ornamentation of seeds and fruits as the seed forms were ranging from lenticular to trigonous. In terms of si
... Show MoreThis research project was designed to assess the antibacterial and antitcancer activity by using the crude extracts of fresh and dried peels of Annona squamosa fruit. The fresh and dried peels were extracted by using three solvents, inculded (water, ethanol, and methanol) at different concentrations (stock, 50, 25, 12.5, 6.25) µg/ml. The antibacterial activity was estimated against Gram-positive bacteria (Staphylococcus aureus) and Gram - negative bacteria (Pseudomonas aeruginosa) using agar well-diffusion method. Results showed the appearance of different regions of inhibition. Antibacterial activity of alcoholic solvent extracts of the dry and fresh peels showed noticeable inhibitory activity against
... Show MoreAcinetobacter baumannii is gram negative opportunistic coccobacilli,the most important agent in nosocomial infections with high mortality rate. This bacteria is characterized by (biochemical tests, polymerase chain reaction (PCR) and vitek-2 system). The antibiotic susceptibility result of A. baumannii isolates were shown resistant to (Methicillin, Nitrofurantion), while sensitive to (colistin, Ciprofloxacin).This study was aimed to biosynthesis of titanium dioxide nanoparticles by using prodigiosin pigment produced from clinical isolate Serratia marcescens as reducing and stabilizing agent for Titanium dioxide nanoparticles (TiO2 NPs) and used as antibacterial agent fo
... Show MoreSoil erosion by water is a major land degradation problem because it threatens the farmer’s livelihood and ecosystem's integrity. Rainfall erosivity is one of the major controlling factors inducing this process. One obstacle of estimating the R-factor is the lack of detailed rainfall intensity data worldwide. To overcome the problem of data scarceness for individual analysis of storm events for developing the country with a non-uniform pluvial regime like the upper part of Iraq, multivariate models were derived for estimating annual rainfall erosivity. They were based on annual rainfall data and geographical coordinates of a group of meteorological stations distributed over the study area. A host of statistical indices were sel
... Show MoreThis Experiment was carried out in the plastic houses , College of Agricultural Engineering Sciences , University of Baghdad during the spring season 2018. Six inbred lines of bitter gourd were crossed full diallel crosses and planted during season 2018-2019 (six inbred lines +15 diallel hybrid + 15 Reciprocal hybrid + control hybrid). These genotypes were studied under the influence of amino acid spraying. This experiment was carried out using the split-plot design included two factors: The first factor represents amino acid spraying with control treatment and spraying phenylalanine amino acid a
... Show MoreAn experiment was conducted in the Date Palm Research Units labs / College of Agricultural Engineering Sciences / University of Baghdad to assess the tolerance toward salinity stress in potato after two mutagens treatments in vitro. Potato cv. Arizona and Rivera nodal segments were irradiated with four dosages of gamma rays at 0, 10, 20, and 30 Gray and immersed in (EMS) with four concentrations included 0, 10, 20, and 30 mM. The survival rates after mutagenesis treatments were calculated and 449 lines were obtained. The lines were tested for salinity tolerance by growing in MS medium supplemented with four concentrations of NaCl at 0, 100, 150, and 200 mM and data were analyzed according to the CRD with 10 replicates an
... Show Moreتم إجراء بحث لنبات البورانج حول اختبار السمية الحادة لدقيق البورانج المتعفن. أظهرت نتائج البحث وجود تأثير سام يتميز بارتفاع مستويات SGOT والصوديوم. كان الغرض من هذه الدراسة هو معرفة مستوى الأمان لاستهلاك دقيق البورانج مع محتوى أكسالات الكالسيوم المنخفض. كان هذا البحث عبارة عن دراسة تجريبية مصممة بنمط اتجاهي واحد بتصميم عشوائي تمامًا باستخدام 5 معالجات من إدارة دقيق البورانج بجرعات 0 ؛ 5
... Show Moreالهدف من هذه الدراسة هو استخدام منهجية سطح الاستجابة (RSM) لتقييم تاثير الظروف التجريبية المختلفة على أزاله ليفوفلوكساسين (LVX) من المحاليل المائية عن طريق تقنيه التكتل الكهربائي (EC) مع اقطاب الفولاذ المقاوم للصدا. تم تحقيق عمليه التكتل الكهربائي بنجاح مع كفاءه أزاله 90 ٪. وفقا للنتائج التي تم الحصول عليها من تحليل الانحدار ، ويبين ان البيانات
... Show Moreتلعب مضادات الأكسدة الطبيعية المنبثقة من الفاكهة دورًا مهمًا في تثبيط أنواع الأكسجين التفاعلية وإزالة الجذور الحرة، وبالتالي تمنع الإنسان من الأمراض التنكسية المزمنة مثل أمراض القلب والأوعية الدموية والشيخوخة ومستويات الكوليسترول والسرطان. غطت الدراسة ست فئات من كل نوع من ثلاثة أذواق من ثمار الرمان المختلفة التي تم الحصول عليها أو شراؤها في مدينة أربيل ، وتم تحليل ما مجموعه 54 عينة (63x3x
يمكن للعديد من الأنواع النباتية إنتاج مركبات نشطة بيولوجياً, والتي يمكن أن تلعب دوراً رئيساً في حماية صحة الإنسان, وتعد نبات الشيا واحد من هذه الأنواع النباتية التي اكتسبت شعبية متزايدة بين المجاميع الطبية التقليدية, ومن أجل إلإنتاج المستدام لكتلة حيوية نباتية ذات محتوى عالي من الكيمياء النباتية ، يستلزم أستعمال العديد من النهج التكنولوجية الحيوية. وقد أثبتت التجارب البحثية أن استعم
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