Articles
1,018 open-access articles · page 3 of 51
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 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 ArticleSustainable Fertilization with Palm Residues, Organic Sulfur and Garlic Extract and its Effect on the Growth, Yield, and Chemical Characteristics of Bunching Onion
Elaf Hamza Wali, Yasamen Fadhil Salloom
This study was conducted to investigate the impact of fertilization with palm residues (0, 20, and 30 tons ha-¹), organic sulfur (0, 300, and 600 kg ha-¹), and foliar spraying with garlic extract (0 and 6 mL L-¹) on selected vegetative traits, y…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.83.94- Research Article
Effect of Organic Fertilization and Foliar Nutrient Sprays on Enhancing Vegetative Growth and Chemical Attributes of Local Sweet Lemon Saplings
Zainab Musa Jaffar, Salah Hassan Jabbar AL-Hchami
The study evaluated the effects of soil application of spent mushroom substrate at rates of 0, 1, and 2 kg sapling-1, foliar spraying with potassium sulfate at 0 and 3 g L-1, and foliar application of amino acids at three concentrations (0, 2, and 4 milliliter…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.95.104 
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 ArticleThe Impact of Various Equipment, Processing Speeds and Plant Residues on Some Mechanical, Physical Traits of The Soil and The Productivity of Yellow Corn
Khalid Zemam Amer, Sara Ali Muter
A field study was carried out to assess how different equipment operating speeds and plant residues affect certain soil mechanical and physical characteristics, as well as yellow maize output. The experiment included three distinct types of ploughs including a…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.203.210
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 Article
Improving the Growth Yield Components and Quality Characteristics of Bread Wheat (Triticum aestivum L.) using Foliar Spraying with NPK Fertilizers
Ehab Jabbar Aldabbagh, Ali Razzaq Aljanabi, Dheeaa Salih alrawi, Jasim Mohammed Saleh
The experiment was carried out at the Center for Biotechnology and Environment / University of Fallujah, during 2023-2024 season to study the effect of balance NPK concentrations on growth, yield and quality of some wheat cultivars. A split block arrangement a…
29 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.16.25 
Research ArticleAssessment of Water and Soil Conservation Schemes in the Arid Zone of Taadmit (Djelfa, Algeria)
Fatima Zohra Benrekia, Abdelkrim Benaradj, Boutkhil Morsli
Serious environmental issues, such as soil erosion, diminishing water quality and quantity, and biodiversity loss, are present in the Djelfa region of Algeria. The aim of this research was to determine and evaluate the present state of different methods and ap…
29 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.01.15- Research Article
Response of Eight Soft Wheat (Triticum aestivum L.) Cultivars to Different Planting Dates
Yarub Samer Ahmed Alnuimy, Omar Ahmed Fathi Al-Rubaie, Azhar Idrees Thanoun Khattab, Sarah Mohammed Ali Al-Jubouri, Wadhah Thabit Abed Al-Dahi, Ali M. Saadi
An experiment was conducted in Mosul District, Nineveh Governorate, during the 2024/2025 agricultural season. The experiment aimed to evaluate eight wheat cultivars (Abaa 95, Buhuth 22, Buhuth 10, Adana 99, Baghdad 1, Sham 7, Rashid, Babil 113). The cultivars…
29 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.26.32 
Research ArticleGermination and Growth Parameters of Rice (Oryza sativa L.) Germplasms under Salt Stress Conditions
Rashiduzzaman Emran, Abdul Hakim, Farhana Afroz Joty, Pinki Akter, Md. Mim Obaidullah, M. Ataur Rahman et al.
Over fifty percent of the global population depends on rice (Oryza sativa L.) as a primary food source. Rice is grown on 161 million hectares worldwide, yielding an annual production of 678.7 million tons. Salinity is a significant abiotic determinant due to i…
9 Apr 2026DOI 10.17582/journal.pjar/2026/39.1.215.224
Research ArticleDiagnosis and In-Vitro Management of Leaf Blackening Disease: An Emerging Threat to Cotton Crop
Mushahid Sattar, Safdar Ali, Fahad Hussain G Mohammed Yar, Saba Farooq, Muhammad Ahmad Zeshan, Muhammad Usman Ghani et al.
Cotton (Gossypium hirsutum L.) belongs to Malvaceae family that is cultivated as a source of fiber for raw material of textile industries. Cotton leaf blackening (Sooty mould) is causing huge losses mainly in cotton growing areas of Punjab, Pakistan and a very…
9 Apr 2026DOI 10.17582/journal.pjar/2026/39.1.242.248
Research ArticlePhenotypic and Genotypic Characterization of Streptomyces qinglanensis Isolated from Local Soil Samples
Abdulridha Ati Jaafar, Fadhil Neamah Al- Kanany, Mustafa Adnan Idan, Mohammed Sabeeh Majeed
A bacterial strain was isolated and characterized from the soil of the Tigris River. Morphological characteristics and biochemical tests revealed that the bacterium affiliate to the Streptomyces spp., due to the nature of white colonies, filamentous in appeara…
9 Apr 2026DOI 10.17582/journal.pjar/2026/39.1.234.241- Research Article
Agricultural Education and Youth Empowerment for Sustainable Farming: Evidence from Domestic and International Students in China
Haihua Ying, Asim Zubair, Lihong Gong
Agricultural education is widely recognized as a key driver of youth empowerment, sustainable farming, and rural development. This study investigates the perceptions of domestic and international students in China regarding the role of agricultural education i…
9 Apr 2026DOI 10.17582/journal.pjar/2026/39.1.225.233 
Research ArticleComparison of Organic and Chemical Soil Amendments in Semi-Arid Barley Cultivation: A Comprehensive Analysis of Soil Dynamics and Yield Responses
Abderrazak Mabrouki, Fatima Hiouani, Abdelouahad Ouali, Djamila Madani
In semi-arid regions, sustainable soil management practices are essential for counteracting soil degradation and maintaining crop productivity. This study evaluated the efficacy of organic amendments compared to chemical fertilization to improve soil propertie…
7 Apr 2026DOI 10.17582/journal.pjar/2026/39.1.167.178
Research ArticleDetection of Nano Plastic Particles Produced by Gram Negative Plastic Degrading Bacteria Isolated from Galleria mellonella Larvae and Soil Samples in Mosul City: A Sustainable Approach to Plastic Waste Management
Zhara Tareq Abdul Hameed Baqqal, Essra Ghanim Hazim Alsammak
Plastic production increased dramatically, affecting both human and animal health when plastic waste aggregate in the environment, due to the hardness of polymers and non-solubility in water, natural deterioration of plastic is very slow, where bacteria play v…
7 Apr 2026DOI 10.17582/journal.pjar/2026/39.1.137.145
Research ArticleAgroforestry and Local Wisdom for Sustainable Food Security: A Sembalun Bumbung Case Study
Sumitro, Risma Ade Aryati, Kormil Saputra
Indigenous communities play a crucial role in preserving cultural heritage, collective identity, and local wisdom passed through generations. However, modernization, climate change, and migration of younger generations pose challenges to the continuity of trad…
7 Apr 2026DOI 10.17582/journal.pjar/2026/39.1.187.202
Research ArticleEffect of Several Thiamine Spray Concentrations on the Growth and Yield of Genetic Structures of Sunflower Helianthus annuus L.
Ahmed Hasan Fadhil
The experiment was carried out at one of the agricultural fields in Baghdad Governorate, Spring growing season for 2024 to study the effects of sunflower genetic structure, levels of thiamine (B₁ vitamine) foliar spray and their interaction on growth and yield…
7 Apr 2026DOI 10.17582/journal.pjar/2026/39.1.127.136
Research ArticleAnalysis of Market Structure, Behavior, and Performance in Developing a Cocoa Bean Supply Chain Model in Southeast Sulawesi
Wa Ode Al Zarliani, Ahfandi Ahmad
Farmers are often in a weak bargaining position within the cocoa marketing system, resulting in low cocoa commodity prices at the farm level. This study examines the structure, behavior, and performance of the cocoa supply chain market in Southeast Sulawesi, a…
7 Apr 2026DOI 10.17582/journal.pjar/2026/39.1.146.158
Research ArticleOptimizing Motor Power and Peripheral Speed for Enhanced Energy Efficiency in Barley Hammer Milling
Ali Jabary Shannon, Assad Yousif Khudher, Ali Abass Almaid, Ali Khairallh Daher
Electricity is a scarce resource in many production regions, leading to energy waste in concentrated feed mills due to the underutilization of motor power. This research aims to reduce electrical energy consumption and improve productivity in barley milling a…
7 Apr 2026DOI 10.17582/journal.pjar/2026/39.1.159.166