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Grain Test Weight Deception, Carl J. Bern, Thomas J. Brumm 2016 Iowa State University

Grain Test Weight Deception, Carl J. Bern, Thomas J. Brumm

Carl J. Bern

Test weight is used as an indicator of general grain quality and is a measure of grain bulk density. Test weight, but not overall grain weight, normally increases during drying. Erroneous calculations using test weights can incorrectly infer that drying systems that increase test weight also increase the number of bushels that can be sold. This bulletin explains the use of test weight in the grain industry, how it can be used to determine grain value, and why some calculations involving test weight can be deceptive.


Atlantis Program Allows Eu, Us Students To Focus On Biorenewable Resources, Howell Medders, Andrew Proctor, Lawrence A. Johnson, Ronald L. Madl, D. Raj Raman 2016 University of Arkansas

Atlantis Program Allows Eu, Us Students To Focus On Biorenewable Resources, Howell Medders, Andrew Proctor, Lawrence A. Johnson, Ronald L. Madl, D. Raj Raman

Lawrence A. Johnson

EU-US Atlantis is an umbrella program for a variety of inno­ vative educational opportunities for students and faculty to study and conduct research abroad and for curriculum development. The Integral Valorization of Bio-Production (IVBP) program, funded for 2008-2012, provides financial assistance for US students to study in Europe and for EU students to study in the United States.


European Food-Safety Concerns: From Farm To Market, D. Burden, Lawrence A. Johnson 2016 Iowa State University

European Food-Safety Concerns: From Farm To Market, D. Burden, Lawrence A. Johnson

Lawrence A. Johnson

In May of this year, 14 students from Iowa State University (ISU) had the opportunity to visit England and Scotland to examine food-safety issues, with emphasis on increasing the exposure to and understanding of European food-safety concerns, farming practices,the regulatory environment,research activities, and consumer attitudes.


Seminar In India Well Attended, Lawrence A. Johnson 2016 Iowa State University

Seminar In India Well Attended, Lawrence A. Johnson

Lawrence A. Johnson

The India Section of the AOCS held a one­ day seminar February 21 on "Emerging Technologies in the Oils and Fats Industry." Approximately 70 industry, government, and academic professionals from across India were in attendance, as were AOCS Vice President Larry Johnson, Executive Vice President Jean Wills,and Membership Director Kathy Atchley.


Ag Decision Maker: Combine Ownership Or Custom Hire, William M. Edwards, H. Mark Hanna 2016 Iowa State University

Ag Decision Maker: Combine Ownership Or Custom Hire, William M. Edwards, H. Mark Hanna

william edwards

Includes advantages and disadvantages of custom hiring and information on estimating costs; includes worksheets.


New Curriculum: Soil & Water Science And Weather & Climate Science, Natalie Carroll 2016 Purdue University

New Curriculum: Soil & Water Science And Weather & Climate Science, Natalie Carroll

Purdue P-12 Networking Summit & Poster Session

Natalie will present an overview the content of two new (2015) curricula designed for youth in grades 3 through 12. Soil and Water Science; Weather and Climate Science. Three booklets are included in each curriculum. Level 1, for youth in grades 3-5, introduces basic terms and concepts. Level 2 activities, for youth in grades 6-8, help youth put the basic concepts into action to understand more advanced concepts and interactions. Level 3 manuals delve more deeply into important concepts and helps prepare youth to be well informed and for advanced studies at college or university.

  • Level 3 Soil & Water Science ...


A Targeted Conservation Approach For Improving Environmental Quality: Multiple Benefits And Expanded Opportunities, Lisa A. Schulte, Heidi Asbjornsen, Ryan Atwell, Chad E. Hart, Matthew J. Helmers, Thomas M. Isenhart, Randy Kolka, Matthew Z. Liebman, Jeri Neal, Matthew E. O'Neal, Silvia Secchi, Richard C. Schultz, Janette R. Thompson, Mark D. Tomer, John C. Tyndall 2016 Iowa State University

A Targeted Conservation Approach For Improving Environmental Quality: Multiple Benefits And Expanded Opportunities, Lisa A. Schulte, Heidi Asbjornsen, Ryan Atwell, Chad E. Hart, Matthew J. Helmers, Thomas M. Isenhart, Randy Kolka, Matthew Z. Liebman, Jeri Neal, Matthew E. O'Neal, Silvia Secchi, Richard C. Schultz, Janette R. Thompson, Mark D. Tomer, John C. Tyndall

Chad Hart

Find out how targeted conservation practices can have the most impact on environmental quality while causing only a small change in overall agricultural production. Environmental benefits are discussed related to clean air and water, productive soils, diverse wildlife and plant habitat, and biological controls for crop protection.


A Brief History Of Corn: Looking Back To Move Forward, Jon Derek Pruitt 2016 University of Nebraska-Lincoln

A Brief History Of Corn: Looking Back To Move Forward, Jon Derek Pruitt

Doctoral Documents from Doctor of Plant Health Program

Maize was domesticated from teosinte in Mexico some 7,000 to 10,000 years ago and quickly spread through the Americas. It has become one of the most important crops at a local and global level. Two types, Northern Flint corn and Southern Dent corns provided the basis of the genetic background of modern maize hybrids. The development of hybrids, first double-cross and later single-cross hybrids, along with a transition to high input farming provided huge yield increases, which have continued to improve with improving technology.

Increase in maize production also caused a rise in Western corn Rootworm (Diabrotica virgifera ...


Evaluation Of Fungicide Efficacy Against Cercospora Sojina And Selection For Qoi-Fungicide Resistance In Soybean, Alicia Mercedes Cochran 2016 University of Tennessee - Knoxville

Evaluation Of Fungicide Efficacy Against Cercospora Sojina And Selection For Qoi-Fungicide Resistance In Soybean, Alicia Mercedes Cochran

Masters Theses

Frogeye leaf spot (FLS) of soybean is caused by Cercospora sojina. In 2010, resistance to the quinone outside inhibitor (QoI) fungicides was reported. Since then, evaluating FLS for QoI-resistance has been of particular interest in Tennessee and other soybean-producing states. In order to determine alternative fungicide options, fungicides with solo and combination mode of action were tested in 2013-2014. The objectives were,1) to evaluate fungicide efficacy for disease control and yield protection, and 2) evaluate selection pressure for QoI-resistance. Treatments included the following fungicide groups: QoI, DMI, MBC, Chlorothalonil, QoI+DMI, SDHI+QoI, SDHI+QoI+DMI, and DMI+MBC ...


Improved Microplate Fluorometric Soil Enzyme Assay For Β-Glucosidase Detection, Emily C. Hoehn 2016 University of Nebraska-Lincoln

Improved Microplate Fluorometric Soil Enzyme Assay For Β-Glucosidase Detection, Emily C. Hoehn

Dissertations & Theses in Natural Resources

Soil microbes produce extracellular enzymes responsible for degrading complex organic compounds to release energy and nutrients. Measurement of soil enzymes can be considered an indicator of soil health and microbial community composition because of its sensitivity to agricultural and management practices. Fluorescence enzyme assays tend to be more sensitive than spectrophotometric (ie. colorimetric) assays and a 96-well plate has the potential capacity for high-throughput use. Development of a newly modified enzyme assay using fluorometric (4-methylumbelliferone), automated pipetting system and sonication, as well as a reduction in replicates allows for a higher sample throughput rate suitable for service laboratory use. The ...


Gamma Sigma Delta, Nebraska Chapter Newsletter, Issue #52 Spring 2016, 2016 University of Nebraska - Lincoln

Gamma Sigma Delta, Nebraska Chapter Newsletter, Issue #52 Spring 2016

Gamma Sigma Delta, Nebraska Chapter, Newsletters

President’s Message — Dana W. R. Boden, President, Nebraska Chapter

GAMMA SIGMA DELTA NEW MEMBERS

2015 Gamma Sigma Delta Awards
Award of Merit for Service, Recipient: Steven Waller
Award of Merit for Service, Recipient: Paul Hay
Excellence in Research Award, Recipient: Andrea Cupp
Excellence in Teaching Award, Recipient: Merlyn Nielsen
Excellence in Extension Award, Recipient: Cheryl Burkhart-Kriesel
Lauren Skrabal –Outstanding Undergraduate
Kevin Sargent –Outstanding Graduate Student
Hillary Fischer -Arthur von Bergen Memorial Award
Elizabeth Carreiro –Outstanding Undergraduate Finalist

In Memoriam:
Charles Robert Fenster, 96, of Gering
Walter Thaine Bagley, 88, of Lincoln

Gamma Sigma Delta Committees 2016


Student Perspectives On A New Online Biomass Production Module For Fundamentals Of Biorenewable Resources And Technology, Darren H. Jarboe, D. Raj Raman, Thomas J. Brumm, Robert A. Martin, Scott McLeod 2016 Iowa State University

Student Perspectives On A New Online Biomass Production Module For Fundamentals Of Biorenewable Resources And Technology, Darren H. Jarboe, D. Raj Raman, Thomas J. Brumm, Robert A. Martin, Scott Mcleod

Agricultural and Biosystems Engineering Publications

In 2007, a Virtual Education Center for Biorenewable Resources was initiated that offered three online courses, one being Biorenewable Resources and Tech¬nology (BRT) 501 – Fundamentals of BRT. The objective was to assess student perceptions on two delivery methods, course assessments, module material, and student learning. Twenty students completed the survey of qualitative aspects of student experiences in BRT 501. The biomass production module brought non-farm students closer to the knowledge level of farm students as demonstrated by students’ self-assessed knowl¬edge and their BRT 501 assessment scores. Students desired a stronger connection with the course instructor and peers, whether ...


Differential Impacts Of Online Delivery Methods On Student Learning: A Case Study In Biorenewables, Darren H. Jarboe, D. Raj Raman, Thomas J. Brumm, Robert Martin, Scott McLeod 2016 Iowa State University

Differential Impacts Of Online Delivery Methods On Student Learning: A Case Study In Biorenewables, Darren H. Jarboe, D. Raj Raman, Thomas J. Brumm, Robert Martin, Scott Mcleod

Agricultural and Biosystems Engineering Publications

In 2007, a Virtual Education Center for Biorenewable Resources was initiated that offered three distance education courses, one being Biorenewable Resources and Technology (BRT) 501 – Fundamentals of Biorenewable Resources and Technology, the subject of this study. The primary objective was to determine if course delivery method (video lecture format and the other in menu-driven auto-tutorial presentations (MDAP) deliv¬ered via Flash format), student major (agricultural and non-agricultural), and gender influence online student learning in BRT 501. We found that BRT 501 student performance was not significantly impacted by module delivery method. Students with agricultural majors were outperformed by students with ...


Contemplative Practice In Sustainable Food & Farming, Sarah Berquist 2016 University of Massachusetts Amherst

Contemplative Practice In Sustainable Food & Farming, Sarah Berquist

Sustainability Education Resources

PowerPoint presentation at the Institute of Teaching Excellence and Faculty Development at UMass Amherst. Offers contemplative practices applied in the Sustainable Food and Farming program including yoga; breathwork; reflective writing and dialogue; stories and poetry; and exploring personal values.


Ans 490-A: The Use Of Positive Reinforcement Training For A Filly To Accept Husbandry Practices, McKenzie Shaffer, Meredith Puls, Nikki Ferwerda, Anna Johnson 2016 Iowa State University

Ans 490-A: The Use Of Positive Reinforcement Training For A Filly To Accept Husbandry Practices, Mckenzie Shaffer, Meredith Puls, Nikki Ferwerda, Anna Johnson

Animal Industry Report

Training and or retraining have an impact on the horses’ physical and psychological well-being. Training can either use positive- (PRT) or negative (NRT) reinforcement. The objective of this experiment was to determine the efficacy of using a clicker with positive reinforcement training on a filly to accept basic husbandry tasks over a 5 week period. One thoroughbred filly was used. One treatment, a PRT schedule, was used. A total of five consecutive weeks, with two 20-minute sessions were conducted. A training session included 10 tasks, with three attempts per task. Positive reinforcement training was defined as the horse successfully completing ...


Measuring Public Agricultural Research And Extension And Estimating Their Impacts On Agricultural Productivity: New Insights From Us Evidence, Yu Jin, Wallace E. Huffman 2016 Iowa State University

Measuring Public Agricultural Research And Extension And Estimating Their Impacts On Agricultural Productivity: New Insights From Us Evidence, Yu Jin, Wallace E. Huffman

Agricultural Policy Review

In order to feed the growing population of the world, expected to reach 9.6 billion people—a 29 percent increase over 2013—by 2050 without causing immense environmental damage and hunger, society must increase agricultural productivity. Investing further in public agricultural research and extension will help alleviate this problem. Developed countries, like the United States, have been a leader in this area for most of the twentieth century. For example, US public agricultural research grew rapidly from 1960–1980, but slowed considerably from 1980–1995, showed negative growth from 1995–1998, then flattened by 2010.


Using A Pen Pal Program To Assess Student Learning Through Culture And School Gardens, Samantha Kae Green 2016 Iowa State University

Using A Pen Pal Program To Assess Student Learning Through Culture And School Gardens, Samantha Kae Green

Graduate Theses and Dissertations

Youth at two schools (St. John, USVI and West Liberty, IA) participated in the I Grow Culture Pen Pal Program. The purpose of the 9-week program was to evaluate middle school student's increase in knowledge and confidence related to communicating local gardening, cultural understanding and sustainability. The collaborating schools were specifically chosen because they each meet the criteria of having a garden for middle school students to integrate English and science into their agriculture curriculum. The objectives of this program were to increase awareness of garden sustainability, understand place-based gardening and environmental sciences, while establishing a garden-based distance cultural ...


An Evaluation Of The Techniques And Strategies For Recruiting African-Americans By 1862 Land-Grant Universities, Rashawn P. Franklin 2016 University of Kentucky

An Evaluation Of The Techniques And Strategies For Recruiting African-Americans By 1862 Land-Grant Universities, Rashawn P. Franklin

Theses and Dissertations--Community and Leadership Development

As post-secondary education becomes more important for the American citizen to generate wealth, universities are struggling to retain and graduate African-Americans, the third-most represented demographic in the country, especially at predominately white colleges and universities. The Colleges of Agriculture at these particular institutions are struggling to even get Black students to apply, let alone graduate. One of the major issues is the disconnect between the African-American community and the idea of post-secondary education in the agricultural field. One way that disconnect can be combatted is new techniques and strategies in recruiting African-Americans. This study identifies three themes based on interviews ...


Perception, Opportunity, Empowerment, And Policy: Women's Influence In Kentucky Agriculture, Courtney Lacy Jenkins 2016 University of Kentucky

Perception, Opportunity, Empowerment, And Policy: Women's Influence In Kentucky Agriculture, Courtney Lacy Jenkins

Theses and Dissertations--Community and Leadership Development

The number of women farmers in the United States is increasing at a substantial rate. Women are fulfilling various roles on the farm and stepping into formal leadership positions in the agricultural community. This study surveys the perception of women reputational leaders in Kentucky agriculture among traditional agricultural leaders, the opportunities available to women in agriculture, the sources empowering women to serve in leadership capacities in agriculture, and how women reputational leaders influence agriculture and agricultural policy in Kentucky. The research revealed that the dynamic of Kentucky agriculture is shifting. Women have made significant strides in agriculture as farmers and ...


Work Life Balance For Agricultural Educators In Kentucky, Kendra Horn Rowland 2016 University of Kentucky

Work Life Balance For Agricultural Educators In Kentucky, Kendra Horn Rowland

Theses and Dissertations--Community and Leadership Development

Research indicates that Kentucky agricultural educators are overworked and experience job related stress. Balancing work and home can be a struggle and stress induces burnout and teacher attrition. Shortages in the agriculture classroom could result in loss of agricultural education programs and negatively affect the profession. The purpose of this study was to 1) describe the demographics of Kentucky high school agricultural educators; 2) describe the work and home life balance for Kentucky agricultural educators; 3) determine the level of job satisfaction among Kentucky agricultural educators; 4) determine the perceived busiest time of the school year for Kentucky agricultural educators ...


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