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Articles 1 - 18 of 18
Full-Text Articles in Life Sciences
Effects Of Nutrient Solution Strength, Pgpb, And Mycorrhizal Inoculation On Growth,Yield, And Quality Of Strawberry, Masoud Haghshenas, Sander H. Van Delden, Mohammad Javad Nazarideljou
Effects Of Nutrient Solution Strength, Pgpb, And Mycorrhizal Inoculation On Growth,Yield, And Quality Of Strawberry, Masoud Haghshenas, Sander H. Van Delden, Mohammad Javad Nazarideljou
Turkish Journal of Agriculture and Forestry
Strawberry (Fragaria × ananassa Duch) cultivation is not without difficulty since its root environment is sensitive to many biotic and abiotic stresses. In addition, production is often phosphate limited, even at relatively high phosphorus levels, as the high fruit yields greatly exceed the capacity of the phosphorus supply by the root system. Arbuscular mycorrhizal fungi (AMF), plant growth promoting bacteria (PGPB), and combinations of both are known to mitigate stress and enhance nutrient uptake, particularly phosphorus. Therefore, we studied the effects of AMF (Glomus mosseae, and Glomus intraradices), PGPB (Azospirillum lipoferum DSM1691, and Pseudomonas fluorescens DSM 50090), and their combinations …
Percolation-Modeling Comparison Between The Conductivities Of Zinc-Graphene Quantum Dot Nanocomposite And Graphite During Extracellular Electron Transfer In Microbial Fuel Cell Electrodes, Jamme Omar A. Biscocho, Ralph Calvin D. Almazan, Francis M. Emralino, Michelle T. Manglicmot
Percolation-Modeling Comparison Between The Conductivities Of Zinc-Graphene Quantum Dot Nanocomposite And Graphite During Extracellular Electron Transfer In Microbial Fuel Cell Electrodes, Jamme Omar A. Biscocho, Ralph Calvin D. Almazan, Francis M. Emralino, Michelle T. Manglicmot
Sinaya: A Philippine Journal for Senior High School Teachers and Students
While promising as an energy production alternative through its sustainability and wastewater treatment utility, a microbial fuel cell is not widely used due to its low power output and high cost. The development of advanced electrode materials is currently being pursued to solve this problem. A zinc-graphene quantum dot nanocomposite was modeled using percolation theory as a prospective advanced electrode material. During extracellular electron transfer, the electrical conductivity properties of the material were studied through cellular percolation models, percolation probability functions, and electrical conductivity curves. These models were compared against those of the conventional graphite electrodes and the leading graphene …
Activation Of Water Used In The Preparation Of Wheat Grain For Varietal Milling, Suvankul Ravshanov, Ismoil Isabaev
Activation Of Water Used In The Preparation Of Wheat Grain For Varietal Milling, Suvankul Ravshanov, Ismoil Isabaev
CHEMISTRY AND CHEMICAL ENGINEERING
The purpose of the study is to change the properties of water in order to achieve the optimum impact on wheat grain in preparation for variety milling. The results of influence on the properties of drinking water by acoustic waves in the frequency range of 10-1000 Hz for 1 minute were determined. It is established that the optimal range of exposure is the interval of 80-100 Hz. At the same time water activation is achieved, leading to changes in its properties, such as specific water resistance, electric conductivity, content of dissolved salts, which positively affects the technological indicator - the …
Properties And Environmental Impacts Of Sustainable Electrically Conductive Composites Of Carbonized Pulp Fibers And Recycled Polyamide 12, Chinmoyee Das
Dissertations, Master's Theses and Master's Reports
Electrically conductive composites are polymer composites filled with electrically conductive filler. Electrically conductive composites can be implemented in the development of lightweight electrically conductive components for the automotive industry. Traditional electrically conductive composites incorporate synthetic carbon-based fillers that have good properties but are very expensive and highly energy intensive, creating the need for a sustainable and cost-effective replacement. This study explores the effectiveness of biocarbon fibers developed from Douglas fir pulp fibers as a potential electrically conductive filler in recycled polyamide (PA) 12 composites.
Biocarbon fibers were developed from pulp by carbonization of the feedstock at 1000° C in an …
Soil Properties Limiting Vegetation Establishment Along Roadsides, Shad D. Mills, Martha Mamo, Sabrina J. Ruis, Humberto Blanco-Canqui, Walter Schacht, Tala Awada, Xu Li, Pamela Sutton
Soil Properties Limiting Vegetation Establishment Along Roadsides, Shad D. Mills, Martha Mamo, Sabrina J. Ruis, Humberto Blanco-Canqui, Walter Schacht, Tala Awada, Xu Li, Pamela Sutton
Department of Agronomy and Horticulture: Faculty Publications
Roadside vegetation provides a multitude of ecosystem services, including pollutant remediation, runoff reduction, wildlife habitat, and aesthetic scenery. Establishment of permanent vegetation along paved roads after construction can be challenging, particularly within 1 m of the pavement. Adverse soil conditions could be one of the leading factors limiting roadside vegetation growth. In this study, we assessed soil physical and chemical properties along a transect perpendicular to the road at six microtopographic positions (road edge, shoulder, side slope, ditch, backslope, and field edge) along two highway segments near Beaver Crossing and Sargent, NE. At the Beaver Crossing site, Na concentration was …
Gradient Analysis Of Saline Groundwater Dynamics Along Spatial Transects In The Chaco, Albrecht F. Glatzle, L. Reimer, G. Roth, J. Cobo Nuñez
Gradient Analysis Of Saline Groundwater Dynamics Along Spatial Transects In The Chaco, Albrecht F. Glatzle, L. Reimer, G. Roth, J. Cobo Nuñez
IGC Proceedings (1997-2023)
No abstract provided.
Identifying And Characterizing Salt-Tolerant Alfalfa (Medicago Sativa Subsp Falcata Germplasm, Katelin E. Frerichs, Lan Xu
Identifying And Characterizing Salt-Tolerant Alfalfa (Medicago Sativa Subsp Falcata Germplasm, Katelin E. Frerichs, Lan Xu
Natural Resource Management Faculty Publications
Soil salinity limits plant growth and crop production. More than 20% of cultivated land worldwide is affected by salinity. The situation is becoming more severe due to shifts in precipitation and evaporation patterns and improper irrigation. There is an urgent need to develop salt-tolerant, economically valuable plants to minimize the loss of and to sustain agricultural production. Alfalfa is one of the most extensively cultivated forage crops. Some yellow-flowered alfalfa (Medicago sativa subsp. falcata) have exhibited morphological and physiological drought tolerance. Since soil salinity is associated with physiological drought, it is reasonable to expect that these drought tolerant falcata populations …
Determination Of Soil Nutrient Status In Vuralia Turcica Populations Growing At Different Locations In The Central Anatolia Region Of Turkey, Di̇lek Tekdal, Burçi̇n Çingay, Mehmet Seli̇m Çeti̇ner
Determination Of Soil Nutrient Status In Vuralia Turcica Populations Growing At Different Locations In The Central Anatolia Region Of Turkey, Di̇lek Tekdal, Burçi̇n Çingay, Mehmet Seli̇m Çeti̇ner
Turkish Journal of Botany
This study is an overview of the importance of soil nutrients for the maintenance of Vuralia turcica, which is an endemic in Turkey due to its natural habitats. Electrical conductivity, pH, and mineral element content (macroelements: nitrogen, phosphorus, potassium, calcium, magnesium, and sodium, and microelements: boron, cadmium, copper, iron, manganese, nickel, lead, and zinc) were analyzed in 21 soil samples taken at 30?60 m depth at 21 points from 8 different locations where V. turcica was growing to determine nutrient content, which is important for soil fertility and controls the crop yield. According to pH analysis, all samples were strongly …
Ecological Gradient Analyses Of Plant Associations In The Thandiani Forestsof The Western Himalayas, Pakistan, Waqas Khan, Shujaul Mulk Khan, Habib Ahmad, Aamir Shakeel, Sue Page
Ecological Gradient Analyses Of Plant Associations In The Thandiani Forestsof The Western Himalayas, Pakistan, Waqas Khan, Shujaul Mulk Khan, Habib Ahmad, Aamir Shakeel, Sue Page
Turkish Journal of Botany
In the summers of 2012 and 2013, vegetation of Thandiani in the Western Himalayas of Pakistan was surveyed and quantified. We took evidence from relationships between 252 species and 11 measured environmental factors as well as changes in the associations' structure among 50 analysed stations with 1500 m2 plots. We analysed how the plant associations differ and develop under the influence of their respective ecological gradients. Preliminary results showed that the family Pinaceae was the most abundant family with a family importance value (FIV) of 1892.4, followed by Rosaceae with FIV = 1478.2. Rosaceae, represented by 20 species, was the …
Soil Chemical Responses To Fire Seasonality And Frequency In A Texas Grassland, Domingo M. Jariel Jr., R. James Ansley, Betty A. Kramp, David L. Jones
Soil Chemical Responses To Fire Seasonality And Frequency In A Texas Grassland, Domingo M. Jariel Jr., R. James Ansley, Betty A. Kramp, David L. Jones
The Prairie Naturalist
On a clay-loam mixed grassland dominated by honey mesquite (Prosopis glandulosa Torr.) in northern Texas, we quantified soil pH, soil organic carbon (OC), electrical conductivity (EC), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), sodium (Na), zinc (Zn), iron (Fe), manganese (Mn) and copper (Cu) in response to various effects of summer and winter fire treatments from 1991–1996. We conducted summer fire between August and September, and winter fire between January and March. Treatments that included summer fires increased soil pH, EC, Na, and Cu and temporarily decreased soil OC and Mn (P ≤ 0.05). The winter fire treatment …
Locating The Variability Of Soil Water Holding Capacity And Understanding Its Effects On Deficit Irrigation And Cotton Lint Yield, Heath Adam Duncan
Locating The Variability Of Soil Water Holding Capacity And Understanding Its Effects On Deficit Irrigation And Cotton Lint Yield, Heath Adam Duncan
Masters Theses
Precision irrigation equipment such as variable-rate center pivots is readily available to Tennessee growers and producers; however, little research exists describing its application to cotton grown in Tennessee. In order to optimize the use of variable-rate irrigation equipment and water resources, two experiments were performed to determine (1) whether or not ground-penetrating radar (GPR) and electrical conductivity (EC) measurements can be used to delineate variable-rate irrigation zones and (2) examine the response of cotton lint yield to varying rates and duration of irrigation.
GPR and EC measurements were recorded, validated using soil cores, and used to identify the subsurface variability …
Relations Between Electrical Conductivity, Somatic Cell Count, California Mastitis Test And Some Quality Parameters In The Diagnosis Of Subclinical Mastitis In Dairy Cows, Güven Kaşikçi, Ömer Çeti̇n, Enver Bariş Bi̇ngöl, Mehmet Can Gündüz
Relations Between Electrical Conductivity, Somatic Cell Count, California Mastitis Test And Some Quality Parameters In The Diagnosis Of Subclinical Mastitis In Dairy Cows, Güven Kaşikçi, Ömer Çeti̇n, Enver Bariş Bi̇ngöl, Mehmet Can Gündüz
Turkish Journal of Veterinary & Animal Sciences
This study was conducted to determine the effectiveness of the electrical conductivity (EC) method on the diagnosis of subclinical mastitis in dairy cows comparing with somatic cell count (SCC) and California mastitis test (CMT), and also to investigate the effect of these values on the amount of total viable bacteria, density, freezing point, and mineral substances. A total of 386 milk samples collected from quarters of 188 cows at 10 different farms were used as materials. Of the samples, 258 (66.85%) were CMT (+), 85 (22.02%) were CMT (++), and 43 (11.13%) were CMT (+++). The mean EC and SCC …
Conducting Polymer-Carbon Nanotubes Composites, May Tahhan, N. Barisci, Gordon G. Wallace
Conducting Polymer-Carbon Nanotubes Composites, May Tahhan, N. Barisci, Gordon G. Wallace
Gordon Wallace
During the course of this work, three different approaches to the formation of conducting polymer/carbon nanotube (CP/CNT) composites were investigated. The first approach involved the preparation of CNT dispersions using Poly methoxy aniline-5-sulfonic acid (PMAS) as a stabilizer. The second approach investigated involved the use of CNT as the dopant in the electropolymerization of CPs. The third approach involved the electrochemical deposition of a thin polymer film onto the surface of CNT paper. These CNT/CP composites were characterized to determine capacitance, conductivity and mechanical strength.
Conducting Polymer-Carbon Nanotubes Composites, May Tahhan, N. Barisci, Gordon G. Wallace
Conducting Polymer-Carbon Nanotubes Composites, May Tahhan, N. Barisci, Gordon G. Wallace
Faculty of Science - Papers (Archive)
During the course of this work, three different approaches to the formation of conducting polymer/carbon nanotube (CP/CNT) composites were investigated. The first approach involved the preparation of CNT dispersions using Poly methoxy aniline-5-sulfonic acid (PMAS) as a stabilizer. The second approach investigated involved the use of CNT as the dopant in the electropolymerization of CPs. The third approach involved the electrochemical deposition of a thin polymer film onto the surface of CNT paper. These CNT/CP composites were characterized to determine capacitance, conductivity and mechanical strength.
Water Salinity And Crop Yield, Robert Hill, Richard T. Koenig
Water Salinity And Crop Yield, Robert Hill, Richard T. Koenig
All Archived Publications
No abstract provided.
Imaging Of Local Thermal And Electrical Conductivity With Scanning Force Microscopy, M. Maywald, R. J. Pylkki, L. J. Balk
Imaging Of Local Thermal And Electrical Conductivity With Scanning Force Microscopy, M. Maywald, R. J. Pylkki, L. J. Balk
Scanning Microscopy
The evaluation of thermal and electrical properties has been demonstrated using a scanning force microscope under ambient air condition. For the first time, the investigation of thermal conductivity on a chemical vapor deposited (CVD) grown diamond surface has been performed with a lateral resolution below 200 nm. Depending on the growing parameters, structures consisting of lines of different thicknesses and spacings are visible. The determination of the electrical structure has been carried out with a resolution of 2 nm using the contact current mode (CCM) showing similar structures. The thermal images exhibit a high thermal conductivity mostly on the diamond …
G77-328 Irrigation Water Quality Criteria, Gary W. Hergert, Delno Knudsen
G77-328 Irrigation Water Quality Criteria, Gary W. Hergert, Delno Knudsen
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide is intended to provide guidelines to help understand and interpret chemical water quality test results.
All well and stream waters contain dissolved minerals. The amounts and kinds of minerals vary from one location to another and may vary with time. When irrigation water is applied, the mineral salts are left in the soil after the crop has used the water. Most of these mineral salts are beneficial to crop growth and soil condition, but in some cases they may be harmful. Irrigation water quality problems may be caused by (1) total mineral salts accumulating so that crops no …
Artificial Parthenogenesis In Rana Pipiens, Frank A. Lippi Jr.
Artificial Parthenogenesis In Rana Pipiens, Frank A. Lippi Jr.
Biology Honors Papers
This 39 page thesis provides a history of artificial parthenogenetic experiments and examines the technique by using frogs' eggs.