Articles
1,018 open-access articles · page 2 of 51
Research ArticleThe Suitability of the Approach Adopted by the Agricultural Extension Organization and its Meeting the Requirements for the Quality of Extension Services in Iraq
Jasim Mohammed Saleh, Najwa S. Ali, Sadam Abbas Haskah, Adnan Ibrahim Khamis, Alzubair M. Sagheer
This study conducted an assessment of the curriculum designed by Iraq’s Agricultural Extension and Training Directorate to determine its congruence with quality benchmarks critical for successful advisory services. The analysis scrutinized pivotal admini…
6 Sept 2026DOI 10.17582/journal.pjar/2026/39.3.44.56
Research ArticleIrrigation Management with Variable Water Quality and Its Effects on Water Use and Wheat Productivity in Diverse Soils under Arid Iraqi Conditions
Wael F.A. Alshamary, Noor Salam Lateef, Hadi M. R. Al- Tamimi, Emad T. Abdel Ghani, Mustafa Qais Hamid
In arid and semi-arid environments such as Iraq, limited rainfall, high temperatures, and elevated evapotranspiration rates lead to severe freshwater scarcity. This necessitates the adoption of alternative irrigation sources such as well and drainage water , a…
3 Sept 2026DOI 10.17582/journal.pjar/2026/39.3.31.43
Research ArticleIntegrated Evaluation of Post-Emergence Herbicides for Suppression of Hordeum bulbosum L. and Improvement of Wheat Yield Components Across Growth Stages
Ameer Hamzah Obaid, H.A.K. Alfarttoosi, Ali Nadhim Farhood
The infestation of Hordeum bulbosum L. significantly constrains wheat (Triticum aestivum L.) productivity in Iraq due to its high competitive vigor. A field study was conducted during the 2024–2025 season to evaluate the efficacy of four post-emergence h…
3 Sept 2026DOI 10.17582/journal.pjar/2026/39.3.01.12- Research Article
Empowering Rural Women Socially as a Pathway to Enhancing Their Effective Participation in the Transition toward Sustainable Agricultural Systems in Iraq
Afaf Shuaib Al-Karoot, Ahmed Hamdan Lafta
Rural women constitute a vital segment of rural development, forming a key part of the social structure and acting as a catalyst for change in their communities. Allocating resources to empower rural women generates substantial societal benefits. This study ai…
3 Sept 2026DOI 10.17582/journal.pjar/2026/39.3.21.30 - Research Article
The Impact of Magnetized Irrigation Water and Humic Acid on Soil Macronutrients, Broccoli Growth, and Yield
Bassam Alaudeen Hamid, Jaafar Abbas Shamsullah, Yahya Abdul- Munim Abd Sabry, Ahmed Mohey Rezooqi
An experiment was run in the Al-Dura neighborhood of Baghdad, Iraq, in the 2020–2021 season. Investigating humic acid and magnetized water irrigation on silty clay to see how it affects macronutrients, broccoli, and yield. Randomized Complete Block Desig…
3 Sept 2026DOI 10.17582/journal.pjar/2026/39.3.13.20 
Research ArticleEvaluation of the Effect of Different Wavelengths, Nanomaterials, and Synthetic Plant Hormones on the Germination of Onion (Allium cepa L.) Seeds
Fatima Hamed Ismail, Majid Hanoon Sharhan
The laboratory study was conducted to investigate the effects of different light wavelengths (including red and far-red light), selected plant hormones, and nanomaterials on the germination of onion (Allium cepa L.) seeds. The results revealed that all tested…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.105.112
Research ArticleResponses of Strawberry Growth, Yield, and Marketable Fruit Quality to Mycorrhizal Inoculation, Mineral Fertilization, and Foliar Application of Chitosan
Yasir R. Khairi, Ahmed T. Joody
Two fields and storage experiments were conducted to evaluate the impact of inoculation application of mycorrhiza, mineral fertilizer, and foliar spraying of chitosan on the growth, quantity, and quality characteristics of strawberry fruits. The field experime…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.142.158
Research ArticleEffect of Ionic Strength From Different Salt Sources on Iron Adsorption in Calcareous Soil
Awatif Hameed Dadoosh, Kadhim Makki Naser, Shireen Mudhafar Ali Alkhalil
This study was conducted to determine the effect of ionic strength from different saline sources on iron adsorption in a calcareous soil with a loam texture. This aim was achieved by performing a gentle equilibrium with an iron solution prepared from iron sulf…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.65.74
Research ArticleApplication of Insect-Derived Chitosan as a Biostimulant to Improve Growth and Resistance in Iraqi Wheat Varieties
Ibrahim Ayad Jihad1 Mustafa Mudhafar2 Noor F. Abdul Hassan3 Mariam Jamal Abd Alkareem4 Maryam Mansoor Mathkoor, Qais R. Lahhob
Wheat (Triticum aestivum L.) is an important staple and its production suffer sfrom impacts such as salinity, drought, and diseases including Fusarium head blight. Here, we present the results of a field study to assess insect-derived chitosan as a biostimulan…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.159.166
Research ArticleCopper Adsorption Behavior in Selected Calcareous Torrifluvents Soil
Sarah Muayad Bahjat, Raad Abdel-Kareem Al-Tamimi
Copper adsorption by five calcareous Torrifluvents soil was evaluated by equilibrating 2 g of each soil sample with concentrations of Cu that covered a range from 0 to 200 ug ml-1. The effect of copper (Cu) carriers was also examined using two carriers includi…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.33.38
Research ArticleThe Effect of Compaction Levels and Amendments on Physical and Hydraulic Properties of Silty Clay Soil
Aya Majeed Abdulsalam, Mohammed Ali Abood
Soil compaction is among the most important physical soil properties that can affect seed germination and field establishment, and its effects can be reduced by using soil amendments. To achieve this goal, silt clay soil samples were taken and analyzed. The ex…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.75.82- Research Article
Effect of Soil Amendments and Antitranspirants on the Growth and Yield of Peanut (Arachis hypogaea L.)
Riyam Mezher Abd, Jamal Naser Abdulrahman, Riyadh Jabbar Mansour Al-Maliki
This study was conducted to evaluate the effect of soil amendments and anti-transpirants on the growth and yield of peanut (Arachis hypogaea L.) under the climatic conditions of Wasit Governorate, Iraq, during the 2024 growing season. The experiment was arrang…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.57.64 
Research ArticleEffect of Fulvic Acid in Increasing the Resistance of Wheat Plants Triticum Aestivum L. To Saline Stress
Dunya Sabeeh Mohammed, Waqeed Mahdi Hadif, Izyanti Ibrahim
This study was conducted in the agricultural season of the year 2021-2022 in order to assess the effect of fulvic acid in increasing the ability of the wheat plants to withstand salt stress. The fulvic acid factor included the use of six concentrations (0, 2,…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.231.236
Research ArticleIsolation and Identification of a Local Bacterial Isolates from Soil Producing Chitinase and Optimization of its Production
Reem A. Abdullah, Ziad T. Sedrah
Nine pure isolates were recovered from various soils, with only three identified as Bacillus sp based on culture and morphological characterisation. The isolates utilized as producers of chitinase enzyme. The highest activity (5.85 U/ml) of the enzyme was achi…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.220.230
Research ArticleAssessment of Susceptibility of Seven Sweet Pepper Cultivars to Chili Leaf Curl Virus Infection under Plastic House Conditions
Suadad A. Ibrahim, Layla J. Sabr
This study aimed to evaluate the impact of Chili leaf curl virus (ChiLCV) on various growth parameters of seven sweet pepper cultivars grown under plastic house conditions. The evaluation was conducted 85 days after planting and the tested cultivars included K…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.113.122
Research ArticleImpact of Microbially Enriched Vermicompost on Soil Health and Vegetable Yield Under Greenhouse Conditions in Iraq
Dumooa F. Al-Hameedawi1 Saraa M. Harbi2 Kawther hussein Dikain3 Zahraa Sadoon Hadi4 Rand Kamil Abbas5 Maryam Mansoor Mathkoor6 Mustafa Mudhafar, Qais R. Lahhob
The deterioration of soil and loss of nutrients requires the implementation of sustainable farming methods. This research assesses the effectiveness of microbially enhanced vermicompost (MEV) in enhancing soil quality and tomato production in a greenhouse sett…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.196.202
Research ArticleStudy of the Effect of Encapsulating Materials on the Stability of Bifidobacterium Bifidum during Spray Drying: FT-IR, TGA, and Electron Microscopy Analysis
Asaad Shamil Atiya¹, Abdulridha Ati Jaafar², Mustafa Adnan Idan³
The encapsulation of probiotic bacteria is a promising method for the maintenance of bacteria viability during processing, storage, and gastrointestinal transit. Potential of gum Arabic and buffalo milk whey as carrier for and encapsulated Bifidobacterium bifi…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.48.56
Research ArticleAntibacterial Activity of Alkaloids, Phenols Extracts, Estimation of Active Compounds and Profile of Bioactive Compounds by HPLC Method of Rosmarinus officinalis
Ekhlass Mashhad Solaq, Roaa M.H. Shoker
Rosmarinus officinalis is being used in folk medicine due to rich of bioactive secondary metabolisms such as alkaloids, phenols, flavonoids, glycoside, tannins, and saponins which have antibacterial activity especially with developing the drug-resistant bacter…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.123.131- Research Article
The Effect of Foliar Application with Glycine and Proline on the Hormonal Content and Vegetative Growth Traits of Grape Saplings
Hussain N.R. AL-Karawi, Thaer R. Awad
The study was conducted to investigate the impact of the amino acids Glycine and Proline on the content of grape seedlings in certain plant hormones and vegetative growth characteristics. The experiment was arranged in a factorial experiment (3×3) trail…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.132.141 - Research Article
The Role of Organic Fertilizer in Vegetative Growth Indicators and Some Bioactive Compounds of Two Hybrids of Broccoli
Marwa Abdel Rasoul Howeidi, Ali Ibadi Manea, Mohammed J.H. AL-Shareefi
This study aims to assess the influence of organic fertilizer on the growth parameters of two types of hybrids and certain bioactive compounds. The experimental design was split plot as randomized complete block design (RCBD), where three replications were tak…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.39.47