American Journal of Agricultural Research

  • The Impact of Elevated CO2 and High Temperature on the Nutritional Quality of Fruits- A Short Review

    The Impact of Elevated CO2 and High Temperature on the Nutritional Quality of Fruits – A Short Review Himali N. Balasooriya1, Kithsiri B. Dassanayake1,2, Said Ajlouni1* 1School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3010 Australia; 2Department of Infrastructure Engineering, Faculty of Engineering. The University of Melbourne, Parkville, VIC 3010 Australia. Fruits are essential components of modern diet. Fruit nutrients provide important benefits to human in various ways for better health. Phytochemicals…

  • Use of natural products for weed management in high-value crops: An Overview

    Use of natural products for weed management in high-value crops: An Overview Rupinder Saini* and Sukhbir Singh Department of Plant and Soil Science, Texas Tech University, Lubbock, TX, USA Over the last five decades, weed management systems have relied primarily on synthetic herbicides. Due to the concerns over the potential impact of chemicals on human health and the environment, efforts are being made to reduce the heavy reliance on synthetic herbicides. To reduce synthetic herbicides, use of natural products such…

  • Contribution of Cover Crops and Reduced Tillage Systems for Weed Management in Organic Vegetable Production

    Contribution of Cover Crops and Reduced Tillage Systems for Weed Management in Organic Vegetable Production Rupinder Saini* and Sukhbir Singh Department of Plant and Soil Science, Texas Tech University, Lubbock, Texas, USA In recent years, organic vegetable production systems have become an increasingly important segment of agriculture; and weed control is a principal concern for organic vegetable growers. In the absence of herbicides, tillage and cultivation are the most commonly used tools by vegetable growers for managing weeds in organic…

  • Field performance of Solid Manures and their Slurries on Growth, Yield and Quality of Potato in Old Brahmaputra Floodplain Soils

    Field performance of Solid Manures and their Slurries on Growth, Yield and Quality of Potato in Old Brahmaputra Floodplain Soils Sultana Bilkis1.2, Md. Rafiqul Islam1*, M. Jahiruddin1, M. Mazibur Rahman1, Hasina Afroz1 1Department of Soil Science, Bangladesh Agricultural University, Mymensingh, Bangladesh 2Sylhet Agricultural University, Sylhet 3100, Bangladesh Continuous use of chemical fertilizers declines crop yield and deteriorates soil fertility. For sustenance of crop productivity and soil fertility integration of chemical fertilizers with manures is a timely approach. An experiment was,…

  • Response of Growth and Yield of Potato to Neb-26 as a Source of Nitrogen

    Response of Growth and Yield of Potato to Neb-26 as a Source of Nitrogen Mst. Tazmin Akhter1, Md. Rafiqul Islam1*, M. Rafiqul Islam1, Muhammad Tahir Shehzad2 and Abu Bakkar Siddique2 1Department of Soil Science, Bangladesh Agricultural University, Mymensingh, Bangladesh 2Global Centre for Environmental Remediation, The University of Newcastle, Callaghan NSW 2308, Australia. This Urea is a vital source of nitrogen (N) to be supplied for plants but most of it is lost through processes including volatilization, denitrification, leaching and run-off….

  • Efficacy of Deep Placement of Nitrogen Fertilizers on N Use Efficiency and Yield of Boro Rice (cv. BRRI Dhan29)

    Efficacy of Deep Placement of Nitrogen Fertilizers on N Use Efficiency and Yield of Boro Rice (cv. BRRI Dhan29) Shorna Shaha1, Md. Rafiqul Islam1*, M. Jahiruddin1, Mst. Tazmin Akhter1 and Abu Bakkar Siddique2 1Department of Soil Science, Bangladesh Agricultural University, Mymensingh, Bangladesh; 2Global Centre for Environmental Remediation, The University of Newcastle, Callaghan NSW 2308, Australia. The efficiency of nitrogen (N) fertilizers in rice culture is low due to their losses in different ways. An experiment was, therefore, conducted at the…

  • Impact of application of rock phosphate (RP) inoculated with phosphate solubilizing fungi (PSF) as a fertilizer on total nitrogen (TN), total organic carbon (TOC) and microbial count (MC) in clay soil

    Impact of application of rock phosphate (RP) inoculated with phosphate solubilizing fungi (PSF) as a fertilizer on total nitrogen (TN), total organic carbon (TOC) and microbial count (MC) in clay soil Hefnawy M. A., Gharieb M. M., Omima A. Eissa, Asmaa M. A. Ammar* Botany Dept. Faculty of Science, Menoufia University, Egypt. In this study the effect of four treatments of phosphate fertilizers (NS, RP, SP & RP inoculated with PSF (A. niger & A. fumigatus) using three doses (RD,…

  • Assessing Vegetable Growth and Yield Response to Graywater Irrigation

    Assessing Vegetable Growth and Yield Response to Graywater Irrigation Shalamu Abudu, Zhuping Sheng, Girisha Ganjegunte Texas AgriLife Research Center at El Paso, 1380 A&M Circle, El Paso, TX 79927 The impacts of graywater irrigation on soil properties and vegetable yields were assessed through a three-year field experiment for Bell Pepper, Chile, and Tomato in El Paso, Texas in the United States. Two irrigation treatments including freshwater (well water and sand filter effluent) and graywater (laundry water) with three replications were…

  • The Effect of N,N-Diethyl-3-methylbenzamide (DEET) on the Germination of Raphanus sativus (Radish Plants)

    The Effect of N,N-Diethyl-3-methylbenzamide (DEET) on the Germination of Raphanus sativus (Radish Plants) Caimin Xi1 and James T. Zacharia2 1Adlai Stevenson High School, Illinois, 60069, USA 2Dar es Salaam University College of Education, P. O. Box 2329, Dar es Salaam, Tanzania DEET is one of the major chemical constituents of bug repellant with an estimated global use of 7 million liters in 2016. While there has been research concerning the health safety of bug repellent, research concerning its environmental impact…

  • Natural resource modelling: accounting for gillnet size selectivity in dynamic deterrence model

    Natural resource modelling: accounting for gillnet size selectivity in dynamic deterrence model Sana Abusin Qatar University Social & Economic Survey Research Institute (SESRI) This paper applied the two times dynamic deterrence model (DDM) and relax the assumption of perfect size selectivity in gillnet in order to specify factors that determine violation rate. The method of comparative statics is employed to derive analytical results on the sensitivity of optimal violation to a number of key factors of high relevance to compliance…