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Articles 1 - 30 of 91
Full-Text Articles in Life Sciences
The Effect Of Two Different Harvesting Methods On The Yield Of 'Topbunch' And 'Hi-Crop' Collards (Brassica Oleracea (L)) When Grown In A Wiregrass Tunnel House, Veronica E. Walton, Raymon Shange, Melissa Johnson, Edward Sparks, Victor Khan, James E. Currington, Ramble Ankumah, Nathaniel Ellison, George X. Hunter Jr., Jeffery L. Moore
The Effect Of Two Different Harvesting Methods On The Yield Of 'Topbunch' And 'Hi-Crop' Collards (Brassica Oleracea (L)) When Grown In A Wiregrass Tunnel House, Veronica E. Walton, Raymon Shange, Melissa Johnson, Edward Sparks, Victor Khan, James E. Currington, Ramble Ankumah, Nathaniel Ellison, George X. Hunter Jr., Jeffery L. Moore
Professional Agricultural Workers Journal
A study was conducted to determine if 100% or 50% harvesting of collard leaves was a suitable recommendation for Tunnel House producers. The experiment was conducted as a split-split plot design with varieties as the main plots, harvesting 100% or 50% of leaves as the sub-plots, and days after transplanting as the subplots. All treatments were replicated three times, drip irrigated, and fertilized according to soil test recommendations. The results showed significant interactions between varieties and method of harvest, for leaf numbers and weight. Conversely, the varieties showed significant differences for yield but not leaf numbers. Both varieties showed significant …
Perma/Culture: Imagining Alternatives In An Age Of Crisis By Molly Wallace And David Carruthers, Bryant Scott
Perma/Culture: Imagining Alternatives In An Age Of Crisis By Molly Wallace And David Carruthers, Bryant Scott
The Goose
Review of Molly Wallace and David Carruthers' Perma/Culture: Imagining Alternatives in an Age of Crisis.
The Effect Of Two Planting Dates And Methods On Snap Bean (Phaseolus Vulgaris) Production In A Tunnel House, Edward Sparks, Victor Khan, Ramble Ankumah, James E. Currington, Nathaniel Ellison, George X. Hunter Jr., Jeffery Moore
The Effect Of Two Planting Dates And Methods On Snap Bean (Phaseolus Vulgaris) Production In A Tunnel House, Edward Sparks, Victor Khan, Ramble Ankumah, James E. Currington, Nathaniel Ellison, George X. Hunter Jr., Jeffery Moore
Professional Agricultural Workers Journal
The study was conducted to evaluate the impact of two planting dates and methods on snap bean yields in a tunnel house. The main plots included planting dates March 17 and 31, 2016 for first and second plantings. The sub-plots consisted of planting Method 1 where one seed per hill was planted every 4” apart, and planting Method 2 where three seeds per hill were planted every 12” apart; each treatment combination was replicated four times. The results of the study showed that it took 55 days for the snap beans to be ready for harvest for both planting dates. …
Ripeness Attributes Of Arkansas-Grown Peaches And Nectarines At Harvest And During Postharvest Storage, Mary C. Siebenmorgen, Renee T. Threlfall, Margaret Worthington
Ripeness Attributes Of Arkansas-Grown Peaches And Nectarines At Harvest And During Postharvest Storage, Mary C. Siebenmorgen, Renee T. Threlfall, Margaret Worthington
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Since peaches and nectarines are a valued fresh-market crop worldwide, evaluating postharvest potential helps determine feasibility for commercial markets. The ripeness attributes of 10 peach and nectarine genotypes were evaluated at harvest (day 0) and after 7 and 14 d storage at 4° C. The fruit was hand harvested at tree ripeness (ripened on the tree) and commercial ripeness (ripened during storage). The attributes of the tree-ripened fruit and commercially-ripened fruit varied at harvest and included chlorophyll (0.04-0.86 abs), peach weight (132-264 g), soluble solids (7.23-12.57%), pH (3.18-4.66), titratable acidity (0.16-1.21%), and flesh firmness (6.92-35.72 N). In general, tree-ripened fruit …
Contents, Discovery Editors
Contents, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
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.
High Yielding Soybean: Genetic Gain And Nitrogen Limitation, O. A. Ortez, F. Salvagiotti, J. M. Enrico, E. A. Adee, I. A. Ciampitti
High Yielding Soybean: Genetic Gain And Nitrogen Limitation, O. A. Ortez, F. Salvagiotti, J. M. Enrico, E. A. Adee, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
The United States and Argentina account for more than 50% of the global soybean production. Closing yield gaps (actual on-farm yield vs. genetic yield potential) would require an improvement in the use of the available resources. Overall, 50-60% of soybean nitrogen (N) demand is usually met by the biological nitrogen fixation (BNF) process. A scientific knowledge gap still exists related to the ability of the BNF process to satisfy soybean N demand at varying yield levels. The overall objective of this project is to study the contribution of N via utilization of varying N strategies under historical and modern soybean …
Timing And Positioning Of Simulated Hail Damage Effects On Wheat Yield In Kansas: 2015–2016 And 2016–2017 Growing Seasons, R. P. Lollato, A. De Oliveira Silva, R. E. Maeoka, G. P. Bavia, L. Bonassi, B. R. Jaenisch
Timing And Positioning Of Simulated Hail Damage Effects On Wheat Yield In Kansas: 2015–2016 And 2016–2017 Growing Seasons, R. P. Lollato, A. De Oliveira Silva, R. E. Maeoka, G. P. Bavia, L. Bonassi, B. R. Jaenisch
Kansas Agricultural Experiment Station Research Reports
Hail events often decrease wheat yields in Kansas; however, estimates of yield loss due to hail event timing and position relative to the flag leaf are only available for older varieties. Our objectives were to quantify wheat yield losses as affected by timing of hail event relative to the crop development and positioning of the damage relative to the flag leaf. A total of 14 hail damage treatments including seven different timings during the growing season (boot, anthesis, watery ripe, milk, soft dough, hard dough, and ripe) and two different positioning relative to the flag leaf (above or below) were …
Long-Term Nitrogen And Phosphorus Fertilization Of Irrigated Grain Sorghum, A. Schlegel, H. D. Bond
Long-Term Nitrogen And Phosphorus Fertilization Of Irrigated Grain Sorghum, A. Schlegel, H. D. Bond
Kansas Agricultural Experiment Station Research Reports
This study was initiated in 1961 to determine responses of continuous grain sorghum grown under flood irrigation to N, P, and K fertilization. The study is conducted on a Ulysses silt loam soil with an inherently high K content. The irrigation system was changed from flood to sprinkler in 2001.
Nitrogen, Phosphorus, And Potassium Fertilization For Newly Established Tall Fescue, D. W. Sweeney, J. L. Moyer, J. K. Farney
Nitrogen, Phosphorus, And Potassium Fertilization For Newly Established Tall Fescue, D. W. Sweeney, J. L. Moyer, J. K. Farney
Kansas Agricultural Experiment Station Research Reports
Tall fescue is the major cool-season grass in southeastern Kansas. Perennial grass crops, as with annual row crops, rely on proper fertilization for optimum production; however, meadows and pastures are often under-fertilized and produce low quantities of low-quality forage. Even when new stands are established, this is often true. The objective of this study was to determine whether N, P, and K fertilization improves yields during the early years of a stand.
Best Management Systems To Intensify Soybean Production, G. R. Balboa, I. A. Ciampitti
Best Management Systems To Intensify Soybean Production, G. R. Balboa, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
The aim of this study was to evaluate different management systems to close the yield gap in soybean production. A soybean experiment was established in Scandia, KS, evaluating five management systems under both rainfed and irrigated conditions. For the 2017 season, dryland and irrigated average yields were similar (63–65 bu/a) due to herbicide injury on the irrigated phase. In both water scenarios, intensification (high input) increased yields compared with common practice (low input) systems. Under irrigation, a consistent response to a balanced nutrition program was documented.
Plant Population And Fungicide Treatment Reduce Winter Wheat Yield Gap In Kansas, B. R. Jaenisch, R. P. Lollato
Plant Population And Fungicide Treatment Reduce Winter Wheat Yield Gap In Kansas, B. R. Jaenisch, R. P. Lollato
Kansas Agricultural Experiment Station Research Reports
Despite the large winter wheat yield gap in Kansas, limited research is available on integrated agronomic practices to increase grain yield. Our objective was to quantify the contribution of individual and combined management practices to reduce wheat yield gap. An incomplete factorial treatment structure established in a randomized complete block design was conducted in three locations in Kansas during 2016–2017 to evaluate the impacts of 14 treatments on yield and grain protein concentration of the modern wheat variety ‘Everest.’ We individually added six treatments to a low-input standard control or removed from a high-input intensive control, which received all treatments. …
Southwest Research-Extension Center Field Day 2018, R. Gillen
Southwest Research-Extension Center Field Day 2018, R. Gillen
Kansas Agricultural Experiment Station Research Reports
Kansas agricultural research from the Southwest Research-Extension Center.
Electrical Resistivity Tomography Of Claypan Soils In Southeastern Kansas, M. A. Mathis Ii, S. E. Tucker-Kulesza, G. F. Sassenrath
Electrical Resistivity Tomography Of Claypan Soils In Southeastern Kansas, M. A. Mathis Ii, S. E. Tucker-Kulesza, G. F. Sassenrath
Kansas Agricultural Experiment Station Research Reports
Claypan soils cover approximately 10 million acres across several states in the central United States. The soils are characterized by a highly impermeable clay layer within the profile that impedes water flow and root growth. While some claypan soils can be productive, they must be carefully managed to avoid reductions to crop productivity due to root restrictions, water, and nutrient limitations. Clay soils are usually resistant to erosion but may exacerbate erosion of the silt-loam topsoil.
Soil production potential is the capacity of soil to produce at a given level (yield per acre). The productive capacity is tied to soil …
2017 Kansas Summer Annual Forage Hay And Silage Variety Trial, J. D. Holman, A. Obour, A. Esser, J. Lingenfelser, S. Maxwell, T. Roberts, G. F. Sassenrath
2017 Kansas Summer Annual Forage Hay And Silage Variety Trial, J. D. Holman, A. Obour, A. Esser, J. Lingenfelser, S. Maxwell, T. Roberts, G. F. Sassenrath
Kansas Agricultural Experiment Station Research Reports
The 2017 summer annual forage variety trials were conducted across Kansas near Garden City, Hays, Mound Valley, and Scandia. All sites evaluated included hay and silage entries. Companies were able to enter varieties into any possible combinations of research sites, so not all sites had all varieties. Across the sites, a total of 61 hay varieties and 66 silage varieties were evaluated.
The objectives of the Kansas Summer Annual Forage Variety Trial are to evaluate the performance of released and experimental varieties, determine where these varieties are best adapted, and increase the visibility of summer annual forages in Kansas. Breeders, …
Wheat Variety Response To Seeding Rate In Kansas During The 2015–2016 And 2016– 2017 Growing Seasons, R. P. Lollato, G. Zhang, B. R. Jaenisch, R. Maeoka, L. Bonassi, A. K. Fritz
Wheat Variety Response To Seeding Rate In Kansas During The 2015–2016 And 2016– 2017 Growing Seasons, R. P. Lollato, G. Zhang, B. R. Jaenisch, R. Maeoka, L. Bonassi, A. K. Fritz
Kansas Agricultural Experiment Station Research Reports
Plant density is among the major factors determining a crop’s ability to capture resources such as water, nutrients, and solar radiation; therefore, different wheat varieties might require different seeding densities to maximize yield. The objective of this project was to better understand the response of different wheat varieties to seeding rate. Two field experiments were conducted during 2015–2016 and repeated during 2016–2017, evaluating seven wheat varieties subjected to five different seeding rates (0.6, 0.95, 1.3, 1.65, and 2.0 million seeds/a). Crop was managed for a 70 bu/a yield goal and pests were controlled using commercially available pesticides. Final stand and …
Occasional Tillage In A Wheat-Sorghum-Fallow Rotation, A. Schlegel, J. D. Holman
Occasional Tillage In A Wheat-Sorghum-Fallow Rotation, A. Schlegel, J. D. Holman
Kansas Agricultural Experiment Station Research Reports
Beginning in 2012, research was conducted in Garden City and Tribune, KS, to determine the effect of a single tillage operation every 3 years on grain yields in a wheat-sorghum-fallow (WSF) rotation. Grain yields of wheat and grain sorghum were not affected by a single tillage operation every 3 years in a WSF rotation. Grain yield varied greatly by year from 2014 to 2017. Wheat yields ranged across years from mid-20s to 80 bu/a at Tribune and about 10 (hail damage) to near 60 bu/a at Garden City. Grain sorghum yields ranged from less than 60 to greater than 140 …
Split Applications Of Acuron, Halex Gt, Resicore, Balance Flexx, And Armezon Pro For Weed Control In Irrigated Corn, R. S. Currie, P. W. Geier
Split Applications Of Acuron, Halex Gt, Resicore, Balance Flexx, And Armezon Pro For Weed Control In Irrigated Corn, R. S. Currie, P. W. Geier
Kansas Agricultural Experiment Station Research Reports
Control of kochia, green foxtail, quinoa, and Palmer amaranth was excellent and did not differ among treatments. Common sunflower control was slightly less effective with Acuron (S-metolachlor + atrazine + mesotrione + bicyclopyrone) + atrazine applied PRE compared to other treatments early in the season but later in the season no differences occurred. Crabgrass control was excellent regardless of treatment early in the season, and remained high with all herbicides except Balance Flexx (isoxaflutole) + atrazine PRE followed by Diflexx (dicamba) + atrazine and glyphosate POST, which provided less than 89% control. All herbicide treatments resulted in grain yields that …
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 19 2018, Several Authors
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 19 2018, Several Authors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
New For Discovery: Scholarworks@Uark, Discovery Editors
New For Discovery: Scholarworks@Uark, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Agricultural Information Needs And Food Access In The Stann Creek District Of Belize, Sam E. Harris, Donna L. Graham
Agricultural Information Needs And Food Access In The Stann Creek District Of Belize, Sam E. Harris, Donna L. Graham
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
The purpose of this study was to describe agricultural information sources available to farmers and to describe food access and availability for the people of Dangriga, Stann Creek, Belize. This study used descriptive survey research methods with convenience sampling of the general public (n=22) and of farmers (n = 38) in the summer of 2017. Farmers use a variety of agricultural information sources with the extension service cited most often, followed by friends and fellow farmers. Weather, lack of information, pests, and inadequate access to capital were of primary concern for farmers. Face-to-face meetings were used most often by extension …
Tillage Study For Corn And Soybeans: Comparing Vertical, Deep, And No-Tillage, E. A. Adee
Tillage Study For Corn And Soybeans: Comparing Vertical, Deep, And No-Tillage, E. A. Adee
Kansas Agricultural Experiment Station Research Reports
Trends from a tillage study conducted since 2011 are beginning to show that corn yields are greater when there is an occasional deep tillage. The yield of soybeans have not been affected significantly by tillage systems ranging from no-till to conventional tillage every year.
A Message From The Department Head Of Horticulture And Food Science, Wayne Mackey
A Message From The Department Head Of Horticulture And Food Science, Wayne Mackey
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Characterization Of Short-Grain Rice Cultivars Grown In Japan, California And Arkansas, Michiyo Nishiwaki, Eric Lii, Andy Mauromoustakos, Ya-Jane Wang
Characterization Of Short-Grain Rice Cultivars Grown In Japan, California And Arkansas, Michiyo Nishiwaki, Eric Lii, Andy Mauromoustakos, Ya-Jane Wang
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Arkansas and California are the two leading rice-producing states in the U.S. Arkansas predominantly long- and medium-grain rice and California primarily medium- and short-grain rice. Although short-grain rice accounts for less than 2 % of U.S. rice production, the demand for short-grain rice is rising because of increasing popularity of sushi and sake. Because of its premium price and different applications, short-grain rice may open up new opportunities for rice farmers in Arkansas. The objective of this study was to characterize the physical, physicochemical and texture properties of rice cultivars grown in Arkansas versus in Japan and California. Three short-grain …
Effects Of Nitrogen In Soybean Seed Quality Definition During Seed-Filling Period, S. Tamagno, E. A. Adee, I. A. Ciampitti
Effects Of Nitrogen In Soybean Seed Quality Definition During Seed-Filling Period, S. Tamagno, E. A. Adee, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
During the seed filling period (SFP), parallel to the seed changes, translocation of assimilates and nutrients takes place from different plant organs to the seed in order to provide sufficient supply for the seed storage components (i.e., starch, oil, and protein) that ultimately will determine the seed quality. There are two processes that define the final seed weight in any crop: 1) the amount of dry mass deposited per unit of time (rate) and 2) the duration of this process from beginning of seed formation to physiological maturity. As seed number is defined, any source limitation during the SFP can …
Soil Health Profile In Claypan Soils, C. J. Hsiao, G. F. Sassenrath, C. Rice, G. Hettiarachchi, L. Zeglin
Soil Health Profile In Claypan Soils, C. J. Hsiao, G. F. Sassenrath, C. Rice, G. Hettiarachchi, L. Zeglin
Kansas Agricultural Experiment Station Research Reports
Healthy soil is the foundation of a sustainable agronomic production system. Microorganisms include bacteria (such as actinomycetes), fungi, and protozoa. Soil microorganisms, or microbes, exist in large numbers in soils and are critical for decomposition of organic residues and nutrient recycling. Soils with ample and diverse microbial populations can provide more essential nutrients for crop growth and development. Soil microbial properties are considered one of the major indicators of soil health.
Soil microbial properties can be measured by the activity and the composition of micro-organism populations. Phospholipid fatty acids (PLFA) are the primary components of cell membranes, they can be …
Weather Information For Garden City, 2017, J. Elliott
Weather Information For Garden City, 2017, J. Elliott
Kansas Agricultural Experiment Station Research Reports
Summary of weather for research conducted at the Garden City field location.
Large-Scale Dryland Cropping Systems, A. Schlegel, L. Haag
Large-Scale Dryland Cropping Systems, A. Schlegel, L. Haag
Kansas Agricultural Experiment Station Research Reports
The change from conventional tillage to no-till cropping systems has allowed for greater intensification of cropping in semi-arid regions. In the central High Plains, wheat-fallow (1 crop in 2 years) has been a popular cropping system for many decades. This system is being replaced by more intensive wheat-summer crop-fallow rotations (2 crops in 3 years). There has also been increased interest in further intensifying the cropping systems by growing 3 crops in 4 years or continuous cropping. The objective of the study was to identify whether more intensive cropping systems can enhance and stabilize production in rainfed cropping systems to …
Diflexx Duo Compared To Capreno, Halex Gt, Armezon, Outlook, Status, Degree Xtra, And Bicep Ii Magnum For Weed Control In Irrigated Corn, R. S. Currie, P. W. Geier
Diflexx Duo Compared To Capreno, Halex Gt, Armezon, Outlook, Status, Degree Xtra, And Bicep Ii Magnum For Weed Control In Irrigated Corn, R. S. Currie, P. W. Geier
Kansas Agricultural Experiment Station Research Reports
Control of kochia, quinoa, and green foxtail was complete with all herbicides at 78 days after treatment (DAT). Palmer amaranth, common sunflower, and crabgrass was 97% at 8 DAT. By 78 DAT, common sunflower control was complete with all herbicides. Crabgrass control at 78 DAT was excellent except when Diflexx Duo (dicamba + tembotrione) at 24 oz/a + atrazine was mixed with glyphosate or Liberty. All herbicide-treated corn yielded 111 to 126 bu/a more grain than the untreated controls. The various additions to the premixes improved weed control to the point that no difference occurred among them for yield.