The effect of incorporating varying levels of alfalfa powder on the production performance of broiler chickens

Muna I. Al-Samrai; Ahmed T. Taies; Zahraa M. Saleh

Volume 25, Issue 4 , December 2025, Pages 1-10

Abstract
  This study investigated the incorporation of varying concentrations of dry powdered alfalfa into broiler chicken diets and assessed its impact on performance, production metrics, and specific carcass characteristics. To this goal, 180 one-week-old broiler chicks were allocated into four treatments, each ...  Read More

Optimized combinations of economic resources that achieve the most optimal and profitable production volumes of wheat crop in Nineveh governorate for the 2022 productive season

Farah Muhsen Al-Sherin

Volume 25, Issue 4 , December 2025, Pages 11-25

Abstract
  The research aims to study and estimate the optimal combinations that must be used of production resources in order to achieve different production volumes and the extent to which these quantities are close to the actual volume quantities of the crop farmers, and to urge farmers to adopt these quantities ...  Read More

Impact of developmental stage and harvest time of peppermint (Mentha piperita L.) on growth and volatile oil yield

Qasim A. S. Al-Zyadi; Baydaa Rasheed Hilo

Volume 25, Issue 4 , December 2025, Pages 26-38

Abstract
  To study the effect of three growth stages of peppermint (Mentha piperita L.) (pre-budding, budding and 50% flowering) and three harvest times during the day (7:00 am, 12:00 pm and 5:00 pm) in the growth and yield of volatile oil, the experiment was conducted in the fields of the agricultural research ...  Read More

Indices of Serum Biochemical of Broiler Fed Diet Containing Local Broiler Premix as an Alternative to Commercial Broiler Premix

Zainab A. Hassan; Mohammed A. Al-Bayar; Sofyan M. Farhan; Osama A. Saeed; Th. T. Mohammed; S. M. Abdulateef

Volume 25, Issue 4 , December 2025, Pages 39-48

Abstract
  It is essential to examine and harness the potential of local broiler premixes as alternatives to expensive commercial premixes, while ensuring that would not have any harmful impact on broiler health. A total of 120 broiler chicks (Ross 308) were used in a three-week study to examine the impact of different ...  Read More

Assessment and Preparation of Land Suitability Maps for Wheat Crop in Erbil District

Faaq Hassan Mohmeed; Teeba Ayied Mukhlif

Volume 25, Issue 4 , December 2025, Pages 49-62

Abstract
  This research focuses on assessing and preparing land suitability for wheat cultivation in the Erbil District through a comprehensive analysis aimed at identifying the most favourable areas for agricultural production. The study integrates land characteristics with climatic factors to support agricultural ...  Read More

A study on the impact Soil degree of Compactness on Soil Physical Quality index for Soils with varying gypsum content

Ruwaida Khalid Saber

Volume 25, Issue 4 , December 2025, Pages 63-76

Abstract
  Laboratory experiments were conducted to study the impact of soil compaction degree (DC%) defined as the ratio between natural bulk density (BD natural) and critical bulk density (BD critical) on Soil Physical Quality index (S-index) for seven soil samples with different gypsum content 61.1(G1), 104 ...  Read More

The Impact of Tractor Speed and Additional Weights on the Total Costs and Some Performance Indicators of the Gardener's Tractor

Ghofran Sinan Alazzawi; Firas Salim Al-Aani

Volume 25, Issue 4 , December 2025, Pages 76-91

Abstract
  A field experiment was executed to assess the performance of the New Holland 1520 gardener tractor for plowing and smoothing operations by analyzing total costs, pulling force (kN), drawbar power and slippage percentage at varying operational speeds and added weights. The primary element, speed, was ...  Read More

Effect of Foliar Spraying with Benzyl Adenine and Nano-Calcium on Some Vegetative Growth and Fruiting Traits of Al-Ubaid Fig Trees

Fardus Mahdi Salih Al-Rubeae; Ehsan F.S. Al-Douri

Volume 25, Issue 4 , December 2025, Pages 92-100

Abstract
  Al-Obaid is a fig cultivar known in Saudi Arabia that has recently entered Iraq. There are not much published articles about it here, so this experiment was conducted to determine the response this cultivar to spraying with benzyl adenine and nano-calcium, in the research station belonging to the Department ...  Read More

Modeling Vegetation Cover Maps Affecting Land Surface Temperature in Erbil City Using Remote Sensing

Saad T. Ibrahim; Hamda H. Sheet; Faiq H. Muhammed

Volume 25, Issue 4 , December 2025, Pages 101-116

Abstract
  This study aims to monitor and analyze vegetation cover and its impact on land surface temperature (LST) in Erbil City over the period 1990–2023. The research utilizes JavaScript programming within the Google Earth Engine (GEE) platform to acquire satellite imagery for both vegetation cover (NDVI) ...  Read More

Phylogenetic Barcoding of Genetic Diversity in Iraqi Date Palm Cultivars Using the Plastid Non-Coding Region psbA-trnH

Mohammed Khatab Omer; Reham Firas Faris

Volume 25, Issue 4 , December 2025, Pages 117-127

Abstract
  Understanding and evaluating genetic diversity among Phoenix dactylifera cultivars is essential for identifying genetic variation, preserving biodiversity, and guiding crop improvement initiatives. In this study, specific primers were designed to amplify the non-coding plastid intergenic spacer psbA-trnH ...  Read More

Impact of climate change on water quality of Zarqa Stream Basin: Evidence from Jordan

Ahmad Albrmawi; Ashraf Omar Khashroum; Hani Hamad; Abeer Saqr; Shamaail Saewan; Mohammad Al-Alawneh

Volume 25, Issue 4 , December 2025, Pages 128-142

Abstract
  Climate change poses substantial threat to water quality in Jordan. It may lead to saline water intrusion into freshwater reserves, increased water pollution, and scarcity of freshwater. This study aims to investigate the impact of climate change on water quality in Zarqa Stream Basin, Jordan. One hundred ...  Read More

Effects of two shapes of teeth spike harrow on soil pulverization in-dex and pulverization depth

Sultan Jahwar Dakhil; Adel A. Abdullah Rajab

Volume 25, Issue 4 , December 2025, Pages 143-156

Abstract
  The study was conducted in three phases. The first phase involved designing (circular and rectangular) spike tooth harrow implement using SolidWorks software according to the required dimensions and measurements. The second phase included testing and analyzing the stresses affecting the structure of ...  Read More

Evaluation of compost prepared from different crop residues and weeds as media for tomato seedling production and the activity of induction enzymes

Abdulkareem E. S. Alkurtany; Abdullah Arkan Khalid; Abdullah Abdulkareem Hassan

Volume 25, Issue 4 , December 2025, Pages 157-171

Abstract
  This study was conducted with the aim of utilizing agricultural residues and harmful environmental weeds to transfore them into a sustainable agricultural input by preparing compost to be used as a medium for producing healthy and robust vegetable seedlings. The study investigates the effects of compost ...  Read More

Investigation of tillage appearance and some performance indicators for two types of plows under different plowing speeds

Thaer Turky; Abdulla Azawi; Momtaz Isaak

Volume 25, Issue 4 , December 2025, Pages 172-184

Abstract
  This study investigates the impact of plow type and speed on tillage appearance and performance indicators in the 2022 farming season. Two plow types, moldboard and disc, and three plowing speeds (3.8 km/h, 5.756 km/h, and 7.584 km/h) were examined using a Massey Ferguson tractor. The experiment followed ...  Read More

A Comparative Analysis of Iron and Pneumatic Tires in Conventional Seed Drill Operations

Kareem I. Kareem

Volume 25, Issue 4 , December 2025, Pages 185-195

Abstract
  The research was conducted in Dwgwndany Gawra, Daratoo, Bardarash, Duhok, Iraqi Kurdistan Regional from December 5th to 10th, 2022. The experiment aimed to investigate the effects of different types of tires of a conventional disc seed drill, depth of seeding, and tractor forward speed on the amount ...  Read More

Comparison of the Effect of Monochromatic Light Types with White Light on the Productive Performance and Testosterone of Ross 308 Male Broilers

Mortadha ali Zwain; aqeel yosef alshukri

Volume 25, Issue 4 , December 2025, Pages 196-205

Abstract
  The study was carried out from September 22 to October 27, 2024, in the poultry field at the Department of Animal Production, College of Agriculture / University of Kufa. The study aimed to investigate the effects of monochromatic light on broilers (Ross 308) and their productive characteristics. 180 ...  Read More

Rumen Fermentation Parameters of Awassi Lambs Fed Diets Containing Sesame and Sunflower Meals as Alternatives to Soybean Meal

Salih N Hussein; Afarh Mustafa Mohammad; Ashraf Kamil Azeez; Asuman DURU

Volume 25, Issue 4 , December 2025, Pages 206-216

Abstract
  The increasing cost of soybean meal (SBM) has created an urgent need for economically viable alternative protein sources that maintain equivalent nutritional efficiency in ruminant diets. So this study aimed to provide cost-effective feed alternatives to expensive soybean meal by replacing it with cheaper ...  Read More

An economic study to measure the impact of consumer taste on increasing demand for Rayyan chicken and competing food products in Tikrit District in 2024

Maher M. Shabib

Volume 25, Issue 4 , December 2025, Pages 217-227

Abstract
  This paper examined the household demand of three chicken meat namely Rayyan chicken, local chicken and imported chicken in Tikrit District and specifically the consumer food taste as a behavioral determinant of the quantity demanded. In 2024, cross-sectional data were gathered in 100 households on a ...  Read More

The Effect of Diatomaceous Earth, Sodium Chloride, and Temperature on the Control of the Red Flour Beetle Tribolium Castaneum (Herbst, 1797) (Coleoptera; Tenebrionidae)

Hind Noaman Harhoosh Al-Obaidi; Salman Shayya; Dany Azar

Volume 25, Issue 4 , December 2025, Pages 228-241

Abstract
  The red flour beetle [Tribolium castaneum (Herbst, 1797)] is a major secondary pest of stored wheat and flour, posing significant threats to both quantity and quality. In this study, we evaluated the effects of natural physical control methods, specifically temperature and humidity, on the larvae and ...  Read More

Comparative histological and histochemical study of the ovary in laying hens(ISA Brown) and broiler chickens(Broilers Rose 308) at different ages

Marwa Adil Hameed; Muna Salah Rasheid; Ayad Hameed Ibraheem

Volume 25, Issue 4 , December 2025, Pages 242-254

Abstract
  The study aimed to compare the histology and histochemistry of the female reproductive system between two chicken species laying hens ( ISA Brown)   and broiler chickens (Broilers Rose 308). Histologically, using routine stains (hematoxylin and eosin (H&E), the ovary at the age of 2 months ...  Read More

The effect of the interaction of magnetic treatment and different irrigation water salinity on the quantitative effects on the growth parameters of Balkız Bean (Phaseolus vulgaris)

Muhammed Alsuvaid; YUSUF DEMİR

Volume 25, Issue 4 , December 2025, Pages 255-273

Abstract
  Salinity is one of the important factors that limit plant growth and development. Therefore, new tools must be developed to use saline water in agriculture and reduce its harm. One of these tools is the use of magnetically treated water to irrigate crops, which has an effective effect on the development ...  Read More

Effect of Ascorbic Acid Concentration and Harvest Date on the Percentage Loss of Grain Yield in Corn (Zea mays L.)

Atheer Saber Mustafa; Omar Nazhan Ali; Qatada Ibrahim Abdullah

Volume 25, Issue 4 , December 2025, Pages 274-283

Abstract
  To study the effect of ascorbic acid concentration and harvest date on the percentage of grain yield loss in corn, an experiment was conducted at the College of Agriculture Research Station, Tikrit University. The experiment included three local corn varieties (Baghdad, Sara, and Fajir), three concentrations ...  Read More

Effect of Seed Stimulation with the Amino Acid Tryptophan and Yeast on Seed Emergence, Growth, and Sorghum crop

Ahmed chyad Ali; Yaseen Abd AL-Janabi

Volume 25, Issue 4 , December 2025, Pages 284-297

Abstract
  The experiment study of field was conducted in an agricultural field in Anbar Governorate, Ramadi District, throughout the spring period of 2024, for  investigation effect of seed stimulation with  amino acid (tryptophan) and dried yeast suspension on the distinctness of field and several characteristic ...  Read More

Chemical, Microbial, and Sensory Characterization of Juice Prepared Using Carotenoid Pigment Produced by Locally Isolated Rhodotorula mucilaginosa Yeast

Manal Mahdi; Ali H. Abdulwahhab; Ali N. Abdul-Ghaffar

Volume 25, Issue 4 , December 2025, Pages 298-312

Abstract
  This study investigated the extraction of microbial carotenoids from Rhodotorula mucilaginosa and evaluated their potential application as natural colorants in juice formulations. The antibacterial activity of the bio produced β-carotene demonstrated a clear concentration-dependent effect, with ...  Read More

Identification of Pea (Pisum sativum L.) Accessions Resistant to Fusarium Wilt Using Integrated Disease Severity Indices and Multivariate Classification

Kana Yuliviana; Marcella Nur Wijayanti; Annisa Nur; Darmawan Saptadi; Noer Rahmi Ardiarini; Hagus Tarno; Chindy Ulima Zanetta; Prakit Somta; Budi Waluyo

Volume 25, Issue 4 , December 2025, Pages 313-334

Abstract
  Fusarium wilt, caused by Fusarium Oxysporum f. sp. pisi, represents one of the most significant challenges to global pea (Pisum sativum L.) production, leading to substantial yield losses under favorable conditions for disease development. Conventional control approaches, such as crop rotation and chemical ...  Read More

Callus Induction, Artificial Seed Production, and Extraction of Bioactive Compounds from Stevia rebaudiana under In Vitro Conditions

Ali Mohammed NOORI; Jwan Ali Hussein

Volume 25, Issue 4 , December 2025, Pages 335-347

Abstract
  This study aimed to examine the influence of plant growth regulators on the initiation of callus formation in various parts of the Stevia rebaudiana Bertoni plant, specifically in nodal segments and shoot tips taken from the multiplication stage, under in vitro conditions.The explants were cultured on ...  Read More

Evaluation of Nutritional Properties, Antioxidant and Antihyperlipidemic Activity of Sudanese Annona senegalensis Fruits

Ali Ahmed; Sara Fadul; Waheeba Ahmed; Ammar AL-Farga; Islam Ragab

Volume 25, Issue 4 , December 2025, Pages 348-364

Abstract
  This study aimed to evaluate the nutritional properties, antioxidant activity, and antihyperlipidemic effects of Sudanese Annona senegalensis fruits. The proximate composition and mineral content of the pulp, seeds, and external crust were analyzed, while the antihyperlipidemic activity was ...  Read More

Role of Ran GTPase in regulating milk protein synthesis signaling pathways in bovine mammary epithelial cells

Nagam Khudhair; THEFAF ABDULLAH  AHMED; Ahmed Khalid Ahmed

Volume 25, Issue 4 , December 2025, Pages 365-377

Abstract
  RAN, A member of the small GTPase superfamily, is involved in various cellular signaling pathways. That regulates cell cycle progression and protein synthesis. This study aimed to investigate how Ran influences key signaling pathways associated with cell survival, proliferation, and milk protein synthesis ...  Read More

Cultivar - Specific Biostimulant Application Enhances Heat Stress Tolerance and Pest Resistance in Potato (Solanum tuberosum) under Semi - Arid Conditions

Mohammad Hasan Dawood; Abdulaziz A. Abdulaziz A.

Volume 25, Issue 4 , December 2025, Pages 378-390

Abstract
  Heat stress caused by climate change makes it hard to grow potatoes in semi-arid areas, and it also makes pests more of a problem. This study examined the cultivar-specific responses of two Solanum tuberosum cultivars to a foliar VIGORIZER biostimulant (25% Ascophyllum nodosum, 0.5% glycine betaine, ...  Read More

The role of electronic extension in disseminating agricultural technologies from the perspective of yellow corn farmers in Al-Alam District, Salah al-Din Governorate

Riyadh S. Hammood; Ahmed S. Abdullah; Bashar A. Mossa

Volume 25, Issue 4 , December 2025, Pages 391-406

Abstract
  This research aims to identify the role of electronic extension in disseminating agricultural technologies from the perspective of maize farmers in the Salah al-Din Governorate’s Al-Alam District, and to determine the role of electronic extension in each of the following areas of study: land preparation ...  Read More