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- Bulk density (1)
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Articles 1 - 13 of 13
Full-Text Articles in Life Sciences
Long-Term Changes In Soil Surface Properties As Affected By Management Practices In A Wheat-Soybean, Double-Crop System, Machaela L. Morrison, Kristofor R. Brye University Of Arkansas
Long-Term Changes In Soil Surface Properties As Affected By Management Practices In A Wheat-Soybean, Double-Crop System, Machaela L. Morrison, Kristofor R. Brye University Of Arkansas
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Long-term agricultural sustainability and productivity are controlled by the integrative effects of different management practices on the soil. Many Arkansas producers use the double-crop system to grow soybeans [Glycine max (L.) Merr] and wheat (Triticum aestivum L.). The objective of this study was to evaluate the effects of agricultural management practices, including residue level, tillage, irrigation, burning, and soil depth on the change in various soil properties from 2010 to 2020 in a long-term, wheat-soybean, double-crop system on a silt-loam soil (Glossaquic Fraglossudalfs) in eastern Arkansas. Soil nutrients tended to accumulate over time, the most in the top 10 cm, …
The Role Of Peer Irrigators On The Choice And Intensity Of Use Of Irrigation Techniques, Noah Hayward, Kent Kovacs
The Role Of Peer Irrigators On The Choice And Intensity Of Use Of Irrigation Techniques, Noah Hayward, Kent Kovacs
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
The use and the proportion of farmland that uses prominent irrigation practices in Arkansas were evaluated. A bivariate sample selection model evaluated the determinants of the share of irrigated land in a farm that uses each practice. In addition, the relationship between the irrigation practices a peer uses and the use and intensity of five common irrigation practices was evaluated. If a peer of an Arkansas farmer used center pivot irrigation, this increased the probability that the farmer used center pivot irrigation by 66 percentage points. A peer that used pivot irrigation decreased the proportion of irrigated land that used …
Exploring How Maternal Phosphorus Status Affects Calf Growth And Performance, Elizabeth Lafferty, Beth Kegley, Brittni Littlejohn, Jeremy Powell
Exploring How Maternal Phosphorus Status Affects Calf Growth And Performance, Elizabeth Lafferty, Beth Kegley, Brittni Littlejohn, Jeremy Powell
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Phosphorus is an important component of bodily functions and is critical for adequate growth and development. This experiment evaluated the effect of maternal phosphorus intake on the growth and health of the calves. Treatments were 1) a free-choice mineral containing no supplemental P or 2) a free-choice mineral with 4% supplemental phosphorus. Primiparous, or pregnant for the first time, crossbred Angus beef cows (n = 36) were stratified by body weight and pregnancy status (bred by artificial insemination or natural service) then assigned to pasture groups (4 groups, 2/treatment, 9 heifers/group). These bred heifers had been receiving these same dietary …
Baseline Sensitivity To Demethylation Inhibitors Fungicides In Cercospora Spp. And Corynespora Spp. In Arkansas Soybeans, Evan Buckner, Alejandro Rojas
Baseline Sensitivity To Demethylation Inhibitors Fungicides In Cercospora Spp. And Corynespora Spp. In Arkansas Soybeans, Evan Buckner, Alejandro Rojas
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Cercospora spp. and Corynespora spp. are two common foliar fungal pathogens in Arkansas and other soybean-producing areas. Two primary diseases caused by Cercospora spp. are Cercospora Leaf Blight (CLB, caused mainly by C. kikuchii) and Frogeye Leaf Spot (C. sojina). Over time, many fungicides used to combat these diseases have become ineffective as the pathogens have developed a resistance to them. The class of the fungicide in question is Triazoles [Demethylation Inhibitors (DMI)–FRAC 3]. Fifteen isolates consisting of Corynespora cassiicola, Cercospora sojina, and Cercospora flagellaris were tested to determine baseline sensitivities using serial dilutions (0, 0.01, 1, 10, 50 mg/L) …
The Effect Of Whey Protein Supplementation At Breakfast On Tryptophan Levels, Food Intake, And Mood In Postmenopausal Women In A 16-Week Randomized Controlled Trial, Danielle L. Lamont, Jamie I. Baum
The Effect Of Whey Protein Supplementation At Breakfast On Tryptophan Levels, Food Intake, And Mood In Postmenopausal Women In A 16-Week Randomized Controlled Trial, Danielle L. Lamont, Jamie I. Baum
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Whey protein isolate supplementation has been recognized as having potential for regulating appetite, thereby potentially improving mood and food intake. The objectives of this project were to 1) analyze the effects of high-quality whey protein intake on overall diet and 2) identify and examine a correlation between tryptophan levels and mood regulation. This research was conducted using a randomized experimental design. A total of 13 postmenopausal women (12+ months after last reported menstrual cycle) were recruited and allocated to one of two dietary intervention (DI) groups: 1) control (maintain current lifestyle; CON; n = 6), and 2) whey protein isolate …
Effects Of A Low Crude Protein Diet With And Without Spirulina Platensis Inclusion On White Blood Cell Profiles In Broilers, Heather Glenn, Garrett J. Mullenix, Gisela F. Erf
Effects Of A Low Crude Protein Diet With And Without Spirulina Platensis Inclusion On White Blood Cell Profiles In Broilers, Heather Glenn, Garrett J. Mullenix, Gisela F. Erf
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Spirulina microalgae is an alternative protein source under consideration for feed formulation in commercial broiler production. The purpose of this study was to determine the effects of a low crude protein (LCP) diet and a LCP diet formulated with 100 g/kg Spirulina (LCP-SP) on blood cell measurements in broilers. One-day-old Ross 708 male broilers were assigned to three dietary treatments: a standard crude protein (SCP), the LCP, or the LCP-SP diet, with five pens/treatment. When the chickens were 37-days old, blood samples were obtained from 2 birds/pen. Each blood sample was used to determine 1) the concentrations of white blood …
Willingness-To-Pay For Halal And Branded Poultry In Northern Mozambique, Alison J. Creasey, L. Lanier Nalley
Willingness-To-Pay For Halal And Branded Poultry In Northern Mozambique, Alison J. Creasey, L. Lanier Nalley
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
While price typically drives consumers’ food-purchasing decisions in low-income countries, religious attributes associated with food production and corporate branding could influence buying patterns. In Mozambique, more than 46% of people were living below the poverty line of ($0.31 USD) per day in 2018. That being said, in the Nampula Province (the location of this study), which is the second poorest province in the country, over 25% of the population is Muslim and may be willing-to-pay (WTP) a premium for Halal meat products to uphold Islamic beliefs. Like many parts of sub-Saharan Africa, poultry is the fastest-growing source of protein. Since …
Letter From The Dean, Deacue Fields
Letter From The Dean, Deacue Fields
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Instructions For Authors, Discovery Editors
Instructions For Authors, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 22 2021, Several Authors
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 22 2021, Several Authors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Letter From The Faculty Editor, Beth Kegley
Letter From The Faculty Editor, Beth Kegley
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Featured Faculty Mentor And Student Explore The Dynamics Of This Research Relationship, Alejandro Rojas, Evan Buckner
Featured Faculty Mentor And Student Explore The Dynamics Of This Research Relationship, Alejandro Rojas, Evan Buckner
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Contents, Discovery Editors
Contents, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.