Tikrit journal for agricultural sciences最新文献_第4页

Colorimetric film sensor for monitoring rancidity reaction of intermediate-moisture (Cake) 用于监测中间水分（蛋糕）酸败反应的比色薄膜传感器

Tikrit journal for agricultural sciences Pub Date : 2023-12-31 DOI: 10.25130/tjas.23.4.2

Omer A. Abdalla, M. W. Saeed

{"title":"Colorimetric film sensor for monitoring rancidity reaction of intermediate-moisture (Cake)","authors":"Omer A. Abdalla, M. W. Saeed","doi":"10.25130/tjas.23.4.2","DOIUrl":"https://doi.org/10.25130/tjas.23.4.2","url":null,"abstract":"Colorimetric films sensor based on wheat gliadin with natural dyes (including anthocyanin, chlorophyll, and beta carotene), glucose oxidase, alpha amylase /starch / were created and for real-time monitoring cake formula rancidity reaction is described in this study. The addition Glucose oxidase enzyme 0.9% (activity270U/0.09g), 0.9% (117U/0.09g) of α-Amylase, and 5% of natural extracted pigments and concentration 1:0.1 of Gliadin/ glycerol composition films and starch greatly raised sensitivity the reaction of films to rancidity. The mixture of enzymes and substrate has a great impact on changing the intensity of color films. In addition, when the color attributes of the active film are examined, it is discovered that the color of the chlorophyll film changes (from green to yellow) whereas, beta –carotene film from (yellow to pale yellow) and Anthocyanin film (alterated from red to brown) with increasing storage duration and oxidant percent, which can be utilized to detect the rancidity reaction of cake's fat. The absorbance at 494, 450, and 666 nm, respectively, demonstrated that the intensity of anthocyanin, beta-carotene, and chlorophyll color films was greatly reduced as a result of rancidity reaction in cake samples after 3 weeks of storage at room temperature 30-35˚C and 25-30% of relative humidity. Moreover, all treated samples showed a decrease in color pigment intensity compared to the control after 15 minutes of exposure to peroxide hydrogen addition (1 ppm), the lowest concentration at which films are susceptible to oxidation. Furthermore, after 4 weeks of storage, samples of cakes, odor turned rancid under the same ambient conditions, and the cake's fat's peroxide value increased dramatically, from 1.3 to 8 mEqO2/kg were approximately close to the maximum permissible limit in Codex regulations therefore color of film sensor was changed fully as a result of increasing peroxide value and rancidity.","PeriodicalId":213230,"journal":{"name":"Tikrit journal for agricultural sciences","volume":"106 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139134376","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

Chemical composition, radical scavenging, rheological and sensory properties of local Soft cheese (Paneeri Salik) supplemented with some natural anti-oxidant extracts 当地软质奶酪（Paneeri Salik）的化学成分、自由基清除、流变学和感官特性，并添加一些天然抗氧化剂提取物

Tikrit journal for agricultural sciences Pub Date : 2023-12-31 DOI: 10.25130/tjas.23.4.5

Dastan Sdiq Ali, D. Khalaf

{"title":"Chemical composition, radical scavenging, rheological and sensory properties of local Soft cheese (Paneeri Salik) supplemented with some natural anti-oxidant extracts","authors":"Dastan Sdiq Ali, D. Khalaf","doi":"10.25130/tjas.23.4.5","DOIUrl":"https://doi.org/10.25130/tjas.23.4.5","url":null,"abstract":"The aim of this research is to study the effect of herbs extracts (Mint, Dill, Tarragon and the combination of these herbs) supplementation on the chemical composition, antioxidant activities, rheological and sensory properties of local soft cheese (Paneeri Salik) during three weeks of storage. The addition ratio of herb extract was 6.5 % v/w for each cheese treatment then compared with the control cheese treatment. Only the moisture percentage was significantly different at level (p<0.05) in the cheese treatments which contain herbs from the control treatment, the herbs cheese moisture decreased in three weeks whereas the other chemical properties (Fat, Protein, Carbohydrate, Ash and Acidity) were not significantly different . Mint, Dill, Tarragon and mix herbs supplementation increased scavenging of free radicals and enhanced the antioxidant properties of Salik cheese, the DPPH were (79.85, 94.88, 90.52, 97.33, 99.18)% in each of (Control, Mint, Dill, Tarragon, and mix herbs) respectively in the first week then were decreased to ( 87.10, 83.62, 87.51, 83.46)% in the (Mint, Dill, Tarragon, and Mix herbs) compared to control which became 98.81% in the third week of storage. The herbs affected the hardness of cheese, which increased by increasing the storage periods. Sensory evaluation was acceptable especially in mint cheese but a few decreases in flavor were detected in the cheeses treated with herbs mix and Tarragon after three weeks of storage.","PeriodicalId":213230,"journal":{"name":"Tikrit journal for agricultural sciences","volume":" 975","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139136379","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

Effect of neurotransmitters in drinking water and some medicinal flowers in broiler diet additives on body performances and some immune parameters 饮用水中的神经递质和肉鸡日粮添加剂中的一些药用花卉对身体性能和一些免疫参数的影响

Tikrit journal for agricultural sciences Pub Date : 2023-12-31 DOI: 10.25130/tjas.23.4.10

Nawal K. Shokry, M. Mustafa

{"title":"Effect of neurotransmitters in drinking water and some medicinal flowers in broiler diet additives on body performances and some immune parameters","authors":"Nawal K. Shokry, M. Mustafa","doi":"10.25130/tjas.23.4.10","DOIUrl":"https://doi.org/10.25130/tjas.23.4.10","url":null,"abstract":"This study was conducted to under seek the incidence of some neurotransmitters in drinking water and native medicinal flowers (Alecea Kurdica – Gule Hero and Chamomile) flowers as diet additives on body growth and immune of broiler. 720 one day unsexed hatched chicks will distributed into 12 treatments, each treatment with three replicates (20 chicks), as following: T0 (control -standard diet), [T1 (0.2 g Endorphin), T2 (0.2 g Dopamine) and T3 (0.2 g Serotonin)/ L drinking water], [T4 )0.5 kg Hero flower) and T5) 0.5 kg Chamomile flower)/ 100 kg diet], T6 )0.2 g Endorphin+0.5 kg Hero flower(, T7 (0.2 g Dopamine+0.5 kg Hero flower(, T8 )0.2 g Serotonin+ 0.5 kg Hero flower(, T9 (0.2 g Endorphin+0.5 kg Chamomile flower), T10 (0.2 g/ Dopamine+0.5 kg Chamomile flower), T11= 0.2 g/ L Serotonin/ L drinking water + 0.5 kg Chamomile flower/ 100 kg diet. The addition of neurotransmitters and native flowers additives as immune modulator had significantly affected on body weight, body weight gain and production index and led to to significant increase (P≤ 0.01) in relative weights of spleen, Bursa of fabricius, Thymus and antibodies titer against ND and IB diseases, also decreased the stress ratio which represented by heterophil/ lymphocyte (H/L) especially in T3 and T11.","PeriodicalId":213230,"journal":{"name":"Tikrit journal for agricultural sciences","volume":"110 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139134348","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

Utilization the Aquatic Plants as a Filtration Media in A Closed Bio-Aquatic System to Improve Water Quality and Common carp Growth Performance 在闭式生物水系统中利用水生植物作为过滤介质改善水质和鲤鱼生长性能

Tikrit journal for agricultural sciences Pub Date : 2023-06-30 DOI: 10.25130/tjas.23.2.21

Wajnaa Saad Faisal, S. Hassan, N. S. Madlul, M. A. Sulaiman, Abdalbast H. I. Fadel

{"title":"Utilization the Aquatic Plants as a Filtration Media in A Closed Bio-Aquatic System to Improve Water Quality and Common carp Growth Performance","authors":"Wajnaa Saad Faisal, S. Hassan, N. S. Madlul, M. A. Sulaiman, Abdalbast H. I. Fadel","doi":"10.25130/tjas.23.2.21","DOIUrl":"https://doi.org/10.25130/tjas.23.2.21","url":null,"abstract":"The experiment was conducted in the animal production field, College of Agriculture, Tikrit University, for the period from 14/6/2022 to 14/8/2022 inside a semi-exposed building with three treatments. Each treatment included three replicates, and each replicate included (6) fish in a closed bio-aquatic system, by weight 13.75±1.09, a filtration tank representing the mechanical and biological filter in an intensive aquatic system with a capacity of 100 liters each, two aquatic plants were grown Water thyme (Hydrilla Verticillata), Torpedo grass (Panicum Repens), except for the control treatment, which was similar to all treatments except for the presence of aquatic plants. The water was treated in a mechanical filter unit through sponge layer, then directing the water to the biological treatment by means of crushed gravel, in addition to the aquatic plants to filter the dissolved organic pollutants. The results showed a significant effect of aquatic plants at (p ≤0.05) on pH, Cloredait (Cl) nitrate (NO3,) nitrite (NO2), and ammonia. Water properties reflect to the biological system of organisms. There was a significant improvement in gain weight (G.W), specific growth rate (SGR), and feed conversion efficiency (FCR) for treatments T2 and T3 compared with control treatment. While, the result of the correlation or interactions between water characteristics with growth parameters for Common carp fish showed significant effects at (P ≤0.05) and (P ≤0.01) level.","PeriodicalId":213230,"journal":{"name":"Tikrit journal for agricultural sciences","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116058862","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

The role of silicon and salt stress in some vegetative traits and mineral content of mint plant Mentha piperita L. 硅盐胁迫对薄荷植物薄荷部分营养性状和矿物质含量的影响。

Tikrit journal for agricultural sciences Pub Date : 2023-06-30 DOI: 10.25130/tjas.23.2.15

H. Hassan, A. Tawfeeq

{"title":"The role of silicon and salt stress in some vegetative traits and mineral content of mint plant Mentha piperita L.","authors":"H. Hassan, A. Tawfeeq","doi":"10.25130/tjas.23.2.15","DOIUrl":"https://doi.org/10.25130/tjas.23.2.15","url":null,"abstract":"The experiment was carried out during agricultural season 2021, to study the effect of adding two types of silicon on the vegetative growth characteristics and mineral content of mint plant grown under the salt stress. The experiment was designed using Randomized Complete Block Design RCBD as a factorial experiment with two factors and three replicates, each replicate contains 9 experimental units, each unit consists 3 pots. The first factor included adding two types of silicon oxide as well as the comparison (S0 control, S1 nano-silicon, and S2 normal silicon); the second factor is salt stress included adding pure NaCl in three concentrations, (N0 0 g L-1, N1 0.45 g L-1and N2 1.45 g L-1). The results of study showed that there are significant differences caused by the experiment factors in number of lateral branches, number of leaves, and total leaf area, as the treatment S2N2 outperformed significantly with highest value of branches number, leaves number, and total leaves area which were 8.60 branches plant-1, 286.80 leaves plant-1, 1211.5 cm2 plant-1 respectively compared with control S0N0 which gave the lowest values; 7.10 branches plant-1, 182.90 leaves plant-1, 643.3 cm2 plant-1 for the same traits. S2N0 treatment was significantly superior in mineral content of NPK in leaves and gave the highest percentages of N 3.30%, P 0.5550%, K 1.96% compared with S0N2 treatment with the lowest percentages of N 2.90%, P 0.4283%, K 1.81%.","PeriodicalId":213230,"journal":{"name":"Tikrit journal for agricultural sciences","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126838435","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

Evaluation of the local isolate Streptomyces kanamyceticus strain Tikrit-5 in control of gray rot disease on eggplant caused by Botrytis cinerea 卡那霉素链霉菌Tikrit-5对茄子灰霉病的防治效果评价

Tikrit journal for agricultural sciences Pub Date : 2023-06-30 DOI: 10.25130/tjas.23.2.3

Abdullah M Mahmoud, A. Hassan

{"title":"Evaluation of the local isolate Streptomyces kanamyceticus strain Tikrit-5 in control of gray rot disease on eggplant caused by Botrytis cinerea","authors":"Abdullah M Mahmoud, A. Hassan","doi":"10.25130/tjas.23.2.3","DOIUrl":"https://doi.org/10.25130/tjas.23.2.3","url":null,"abstract":"The study was carried to know the effect of local strain, Streptomyces kanamyceticus on the growth and production of three varieties of eggplant plants and its control gray rot disease. The results showed that the S. kanamyceticus with the fungicide Prado in the presence of the pathogenic fungus B. cinerea achieved the highest plant, shoot and root system of dry weight and leaf area in all eggplant cultivars compared with the lowest these parameters in the pathogenic fungus treatment. The results also showed the lowest infection severity with the pathogen B. cinerea was recorded in Barcelona cultivar treated with (S. kanamyceticus+ Prado) which reached to 21.23% compared with the highest infection severity of 80.06% in the Norita cultivar infected with the pathogenic fungus. S. kanamyceticus with the fungicide Prado in the presence of the pathogenic fungus Botrytis cinerea achieved the highest resistance induction agents such as chitinase, β–glucanase, peroxidase and polyphenol oxidase in all eggplant cultivars compared other treatments. The effect S. kanamyceticus was reflected by resistance induction, reducing the infection severity and improving the vegetative characteristics to a higher plant productivity. The highest fruit weight was recorded under the conditions of infection with the pathogenic fungus B. cinerea in Barcelona cultivar treated with S. kanamyceticus with the fungicide Prado reached to 588.82 gm compared with the lowest fruit weight of 301.41 gm in Norita cultivar in the treatment of pathogenic fungi only. In terms of fruit hardness, the treatment of S. kanamyceticus with the Prado in the presence of the pathogenic fungus B. cinerea achieved the highest fruit hardness reached 3.8 kg/cm2 in Barcelona cultivar compared with the lowest fruit hardness of 2.8 kg/cm2 in both cultivar Norita and Al-Nasr in the treatment of pathogenic fungus only.","PeriodicalId":213230,"journal":{"name":"Tikrit journal for agricultural sciences","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130807255","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

Wastewater Irrigation and Accumulation of Heavy Metals in Vegetable Crops (Broccoli and Cauliflower) 废水灌溉与蔬菜作物(西兰花和花椰菜)重金属积累

Tikrit journal for agricultural sciences Pub Date : 2023-06-30 DOI: 10.25130/tjas.23.2.13

B. Rahim

引用次数: 0

Age, Educational and Indicative Service Levels and Their Relationship to The level of Performance of Agricultural Extension Workers in Diyala governorate 迪亚拉省农业推广人员的年龄、教育程度和指示性服务水平及其与绩效水平的关系

Tikrit journal for agricultural sciences Pub Date : 2023-06-30 DOI: 10.25130/tjas.23.2.9

Zeyad Naji, Majid Ali

{"title":"Age, Educational and Indicative Service Levels and Their Relationship to The level of Performance of Agricultural Extension Workers in Diyala governorate","authors":"Zeyad Naji, Majid Ali","doi":"10.25130/tjas.23.2.9","DOIUrl":"https://doi.org/10.25130/tjas.23.2.9","url":null,"abstract":"The research aimed to identify the level of performance of workers in agricultural extension in Diyala Governorate in general, as well as to identify the level of performance of workers in agricultural extension in the fields of extension work, namely (organization, planning, implementation, evaluation and technology transfer) , As well as identifying the correlation between the performance of workers in agricultural extension the number of years of life, the levels of agricultural academic study, and the number of years of extension service .The research population included all agricultural extension workers in the Directorate of Agriculture and Agricultural People and the Extension Center if the number of its employees reached (460) employees .The research showed that the level of performance of agricultural employees in Diyala province is of the average category in general ,There was a contrast in the level of performance of employees in the fields extension work, as it was found that the level of performance of employees in the fields of organization, planning and implementation is average. In the fields of evaluation and technology transfer, performance was average and tended to decline ,The research showed that there is a significant correlation between the level of performance of the respondents, and the variable of the number of years life, the number of years of agricultural academic study, and the number of years of extension service. The researcher recommends the importance of determining the actual extension work of agricultural workers, and holding training courses for agricultural cadres working in the field of agricultural extension to raise the level of their performance, especially in the fields of evaluation and technology transfer , and the need to pay attention to independent variables that have a moral correlation when preparing for job courses.","PeriodicalId":213230,"journal":{"name":"Tikrit journal for agricultural sciences","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115718969","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

Addition of VêO® premium and Vitamin C to improve the productive and reproductive performance of local Iraqi ewes 添加VêO®优质饲料和维生素C，提高伊拉克当地母羊的生产和繁殖性能

Tikrit journal for agricultural sciences Pub Date : 2023-06-30 DOI: 10.25130/tjas.23.2.14

Aymen Hameed, Y. Abdul-Rahaman, T. Mohammed

{"title":"Addition of VêO® premium and Vitamin C to improve the productive and reproductive performance of local Iraqi ewes","authors":"Aymen Hameed, Y. Abdul-Rahaman, T. Mohammed","doi":"10.25130/tjas.23.2.14","DOIUrl":"https://doi.org/10.25130/tjas.23.2.14","url":null,"abstract":"The present study was conducted to know the effect of VêO® premium and Vitamin C on productive and reproductive performance of local Iraqi ewes during the heat stress. The study was conducted in a private farm in Fallujah, Al-Anbar province during the period from 6/8/2019 to 8/2/2020. Twenty local Iraqi ewes were divided randomly into four equal groups. The first group (T1) was given VêO® premium 4 g/ ewe/ day. The second group (T2) was given VêO® premium 2 g/ ewe/ day, the third group (T3) was given Vit. C 40 mg/ ewe/ daily and the fourth group (T4) left without treatment as a control group. The results showed significant (P≤0.05) increase in body weight in the T2 as compared with other treatments. Estrogen were increased (P≤0.05) in T1 and T4 as compared with T2 and T3 at the fourth period. There was significant (P≤0.05) increase in progesterone level in the T2 and T3 during the first period of the experiment, the T4 in the second and fourth period and within all the same treatments. The fourth period within the same treatment increased significantly in the concentration of progesterone levels for T1, T3 and T4. While the third and fourth period showed increase in the level of progesterone for T2. There was a higher estrus rate in the T2 (80%). Fertility rate, conception rate and lambing rate were increased in the T2 and T3. Barrenness rate was decrease in females in T2 and T3. It was concluded from the current study that addition of VêO® premium and Vit. C to the feed of ewes during heat stress was beneficial on body weight and reproductivel performance.","PeriodicalId":213230,"journal":{"name":"Tikrit journal for agricultural sciences","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127595181","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

Evaluation of Land Degradation Status of Soil Series Using Geomatics Techniques 利用地理信息技术评价土壤系列土地退化状况

Tikrit journal for agricultural sciences Pub Date : 2023-06-30 DOI: 10.25130/tjas.23.2.19

Ahmed Musrhed, A. Khalaf, Mohamed Ferhan, I. Ortaş

{"title":"Evaluation of Land Degradation Status of Soil Series Using Geomatics Techniques","authors":"Ahmed Musrhed, A. Khalaf, Mohamed Ferhan, I. Ortaş","doi":"10.25130/tjas.23.2.19","DOIUrl":"https://doi.org/10.25130/tjas.23.2.19","url":null,"abstract":"This study aimed assessing the land degradation status of some soil series of the North Tikrit Agricultural Project using remote sensing data. Part of the project area (246,555) km2 was selected based on variations in soil characteristics and agricultural crops. The study area is located between the longitudes of 43˚ 12′ 30ʹʹ and 43˚ 27′ 30ʹʹ E and the latitudes of 35˚ 15′ 00ʹʹ and 35˚ 0′ 00ʹʹ N. This project area includes five soil series: Hatra, Jareesh, Safa, Seneyah, and Shurqat. Forty-four soil samples covering these five soil series were collected from the surface layer (0-30 cm). The chemical properties of these samples were determined, including pH, Electric Conductivity (EC), calcium carbonate content, gypsum content, cation exchange capacity, and organic matter content. Two Landsat satellite images were employed for calculation of soil and vegetation spectral indices. One of these two images was acquired on 15 June, 2002 while the other was acquired on 25 June, 2022. The spectral indices of concern encircled three vegetation indices (Advanced Vegetation Index (AVI), Specific Leaf Area Vegetation Index (SLAVI), and Structure Insensitive Pigment Index (SIPI)) and three soil spectral indices (Bare Soil Index (BSI), Modified Bare Soil Index (MBSI), and Normalized Difference Bare Soil Index (NDBSI)). The results show that there are variations in the values of the various computed soil and vegetation spectral indices during the two study periods and that the values were, in general, lower in 2022 than in 2002. It was found that the soils were degraded and that, consequently, the plant density declined during the study period. This had negative impacts on the fertility and productivity of the soils in the study area. The results also showed differences in the soil spectral reflectivity curves, especially at the wavelengths of water absorption; 1.4, 1.9, and 2.2 μm, due to the presence of gypsum at high concentrations in the soils.","PeriodicalId":213230,"journal":{"name":"Tikrit journal for agricultural sciences","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121527718","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