Articles
1,018 open-access articles · page 3 of 51
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 ArticlePick Your Own Oranges, Agrotourism Recommendations in Karo Regency, Indonesia
Rahmanta, Indra Wahyudi, Elisabet Siahaan
Customers’ decisions to visit Karo Regency’s agritourism and purchase pick your own citrus fruits are influenced by the calibre of goods and services offered to them. This study investigates the impact of product quality on consumer decisions to vi…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.211.219
Research ArticleEffect 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 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 ArticleAssessment of Heavy Metal Accumulation and Microbial Shifts in Iraqi Soils Irrigated with Wastewater Implications for Food Safety
Laila S. Abu Hadal1 Muhammad Abdul-Razzaq Ali Al-Haidary2 Dumooa F. Al-Hameedawi3 Isam Nghaimesh Taeb, Qais R. Lahhob
Climate change and the upstream dams construction question induce severe shortages of water in Iraq, thus forcing farmers to rely on the irradiation of the untreated wastewater. This practice though it provides essential nutrients to the plants introduces mate…
30 Jun 2026DOI 10.17582/journal.pjar/2026/39.2.187.195
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 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 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 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
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 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 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 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 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 ArticleCombined Effect of Nano-silica and Plant Growth-Promoting Rhizobacteria (PGPR) on the Physical and Mechanical Properties of Soil
Bilal M.K. Almashhadani, Mustafa Qais Hamid, Noor Al-Silmawy, Diaa F. Hassan
Soil physical degradation such as compaction, reduced porosity, and high resistance to root penetration remains a major constraint for sustainable crop production in clay soils. Advances in nanotechnology and plant growth-promoting rhizobacteria (PGPR) highlig…
7 Apr 2026DOI 10.17582/journal.pjar/2026/39.1.119.126
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 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 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 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