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Full-Text Articles in Life Sciences

Wheat And Grain Sorghum In Four-Year Rotations, A. Schlegel, J. D. Holman, C. Thompson Jan 2016

Wheat And Grain Sorghum In Four-Year Rotations, A. Schlegel, J. D. Holman, C. Thompson

Kansas Agricultural Experiment Station Research Reports

Research on 4-year crop rotations with wheat and grain sorghum was initiated at the Southwest Research-Extension Center near Tribune, Kansas, in 1996. Rotations were wheat-wheat-sorghum-fallow (WWSF), wheat-sorghum-sorghum-fallow (WSSF), and continuous wheat (WW). Soil water at wheat planting averaged about 9 in. following sorghum, which is about 3 in. more than the average for the second wheat crop in a WWSF rotation. Soil water at sorghum planting was only about 1 in. less for the second sorghum crop compared with sorghum following wheat. Grain yield of recrop wheat averaged about 80% of the yield of wheat following sorghum. Grain yield of …


Alternative Cropping Systems With Limited Irrigation, A. Schlegel Jan 2016

Alternative Cropping Systems With Limited Irrigation, A. Schlegel

Kansas Agricultural Experiment Station Research Reports

A limited irrigation study involving six cropping systems was initiated at the Southwest Research-Extension Center near Tribune, KS, in 2012. The cropping systems were two annual systems (continuous corn [C-C] and continuous grain sorghum [GS-GS]) and four 2-year systems (corn-sorghum [C-GS]), corn-sunflower [C-SF], corn-winter wheat [C-W], and corn-wheat/double sunflower [C-W/SF]). In 2015, corn yields were lower following corn than other crops while wheat and grain sorghum yields were similar for all rotations. This tended to agree with the 3-year average yields except for average sorghum yields being higher following corn than sorghum. Sunflowers were destroyed by rodents and no yields …


Wheat Stubble Height On Subsequent Corn And Grain Sorghum Crops, A. Schlegel Jan 2016

Wheat Stubble Height On Subsequent Corn And Grain Sorghum Crops, A. Schlegel

Kansas Agricultural Experiment Station Research Reports

A field study initiated in 2006 was designed to evaluate the effects of three wheat stubble heights on subsequent grain yields of corn and grain sorghum. Corn and sorghum yields in 2015 were greater than the long-term average. When averaged from 2007 through 2015, corn grain yields were 10 bu/a greater when planted into either high or strip-cut stubble than into low-cut stubble. Average grain sorghum yields were 6 bu/a greater in high-cut stubble than low-cut stubble. Similarly, water use efficiency was greater for high or strip-cut stubble for corn and high-cut stubble for grain sorghum. Harvesting wheat shorter than …


Weed Control And Crop Injury With Single Or Sequential Herbicide Applications In Grain Sorghum, R. Currie, P. Geier Jan 2016

Weed Control And Crop Injury With Single Or Sequential Herbicide Applications In Grain Sorghum, R. Currie, P. Geier

Kansas Agricultural Experiment Station Research Reports

The preemergence application of Dual II Magnum (S-metolachlor) improved the over­all weed control compared to single postemergence treatments. Excessive rainfall after preemergence application compromised all treatments, producing abnormally low weed control.


Weed Control With Single Or Sequential Herbicide Applications In Acetolactase Synthase-Tolerant Grain Sorghum, R. Currie, P. Geier Jan 2016

Weed Control With Single Or Sequential Herbicide Applications In Acetolactase Synthase-Tolerant Grain Sorghum, R. Currie, P. Geier

Kansas Agricultural Experiment Station Research Reports

Palmer amaranth control was best when Resolve (rimsulfuron) plus Harmony GT (thifensulfuron) and Abundit Extra (glyphosate) were applied 15 days preplant fol­lowed by Zest (nicosulfuron) and atrazine postemergence, or by Zest plus atrazine alone postemergence. Palmer amaranth control was less than 80% with all other herbicide treatments. Preemergence herbicides alone provided less than 60% green foxtail control at 53 days after postemergence applications, and Zest plus atrazine alone postemergence controlled green foxtail 70%. Sequential applications of preemergence and postemer­gence herbicides were needed to provide the best green foxtail control. The relatively low weed control provided by these treatments may be …


Preemergence Weed Control With Fultime Nxt And Competitive Standards In Grain Sorghum, R. Currie, P. Geier Jan 2016

Preemergence Weed Control With Fultime Nxt And Competitive Standards In Grain Sorghum, R. Currie, P. Geier

Kansas Agricultural Experiment Station Research Reports

At 71 days after treatment, FulTime NXT (acetochlor + atrazine) at 2.5 or 3.0 qt/a and Lumax EZ (S-metolachlor + atrazine + mesotrione) at 2.0 qt/a were the only treatments to control Palmer amaranth at 90% or more. All treatments provided similar velvetleaf control. Green foxtail control was 75 to 83% with all rates of FulTime NXT or Lumax EZ. Sorghum receiving FulTime NXT at 2.5 or 3.0 qt/a or Lumax EZ yielded significantly more than the control treatments.


Evaluating The Effectiveness Of Iron Chelates In Managing Iron Deficiency Chlorosis In Grain Sorghum, A. Obour, A. Schlegel, R. Perumal, D. Ruiz Diaz Jan 2016

Evaluating The Effectiveness Of Iron Chelates In Managing Iron Deficiency Chlorosis In Grain Sorghum, A. Obour, A. Schlegel, R. Perumal, D. Ruiz Diaz

Kansas Agricultural Experiment Station Research Reports

Grain sorghum production in alkaline or calcareous soils is frequently affected by iron (Fe) chlorosis. Soil conditions such as high pH, high free calcium carbonate (lime), and low organic matter favor development of Fe deficiency chlorosis (IDC), which can delay crop maturity and reduce yields. Field experiments were conducted in the summer of 2014 and 2015 to determine the effectiveness of Fe chelate application in alleviating IDC in grain sorghum. Treatments were four Fe chelate application rates (0, 3, 6, and 9 lb product/a) applied either in-furrow with the seed at the time of planting or 2 weeks after planting …


Grain Sorghum Response To Band Applied Zinc Fertilizer, A. Tonon Rosa, N. O. Nelson, D. Ruiz Diaz Jan 2016

Grain Sorghum Response To Band Applied Zinc Fertilizer, A. Tonon Rosa, N. O. Nelson, D. Ruiz Diaz

Kansas Agricultural Experiment Station Research Reports

Zinc (Zn) is one of the micronutrients found to be deficient in Kansas. The objective of this study was to evaluate the response of grain sorghum to Zn fertilization using strip trials. The experiment was set up in Manhattan, KS, in 2015. The experimental design consisted of two strips, one with Zn fertilizer and the other without, with five replications. Zn fertilizer was applied as starter in combination with ammonium polyphosphate at the rate of 0.5 lb Zn/a. Plant tissue samples were collected to determine Zn content. Grain yield was recorded by combine equipped with yield monitor. No significant differences …


Fallow Replacement Crop (Cover Crops, Annual Forages, And Short-Season Grain Crops) Effects On Wheat And Grain Sorghum Yields, J. D. Holman, T. Roberts, S. Maxwell Jan 2016

Fallow Replacement Crop (Cover Crops, Annual Forages, And Short-Season Grain Crops) Effects On Wheat And Grain Sorghum Yields, J. D. Holman, T. Roberts, S. Maxwell

Kansas Agricultural Experiment Station Research Reports

Producers are interested in growing cover crops and reducing fallow. Growing a crop during the fallow period would increase profitability if crop benefits exceeded expenses. Benefits of growing a cover crop were shown in high rainfall areas, but limited informa­tion is available on growing cover crops in place of fallow in the semiarid Great Plains. A study was done from 2007–2016 that evaluated cover crops, annual forages, and short season grain crops grown in place of fallow. In the first experiment (2007-2012) the rotation was no-till wheat-fallow, and in the second experiment (2012-2016) the rotation was no-till wheat-grain sorghum-fallow. This …


Wheat Stubble Height On Subsequent Corn And Grain Sorghum Crops, A. Schlegel Jan 2015

Wheat Stubble Height On Subsequent Corn And Grain Sorghum Crops, A. Schlegel

Kansas Agricultural Experiment Station Research Reports

A field study initiated in 2006 was designed to evaluate the effects of three wheat stubble heights on subsequent grain yields of corn and grain sorghum. Corn yields in 2014 were similar to the long-term average, while sorghum yields were greater than the long-term average. Taller cut stubble in 2014 increased biomass production of corn and yield for grain sorghum. When averaged across 2007 through 2014, corn grain yields were 9 bu/a greater when planted into either tall or strip-cut stubble than into low-cut stubble. Average grain sorghum yields were not significantly affected by wheat stubble height. Water use efficiency …


Weed Control And Crop Tolerance In Inzen Grain Sorghum With Zest Tank Mixtures, R. Currie, P. Geier Jan 2015

Weed Control And Crop Tolerance In Inzen Grain Sorghum With Zest Tank Mixtures, R. Currie, P. Geier

Kansas Agricultural Experiment Station Research Reports

Although preemergence applications of Cinch ATZ provided excellent green foxtail control, it did not provide commercially acceptable levels of Palmer amaranth or crabgrass control. All postemergence tank mixes of Zest raised the level of control achieved by the preemergence applications of Cinch ATZ to excellent levels for these species. With the exception of the Huskie tank mix, which provided excellent Palmer amaranth control, all other postemergence programs provided only adequate control of Palmer amaranth, crabgrass, or green foxtail. Weed pressure of these species was extreme. Under conditions of extreme weed pressure, a foundation treatment of Cinch ATZ followed by a …


Evaluating The Effectiveness Of Iron Chelates In Managing Iron Deficiency Chlorosis In Grain Sorghum, A. Obour, R. Perumal Jan 2015

Evaluating The Effectiveness Of Iron Chelates In Managing Iron Deficiency Chlorosis In Grain Sorghum, A. Obour, R. Perumal

Kansas Agricultural Experiment Station Research Reports

Grain sorghum production in alkaline or calcareous soils is frequently affected by iron (Fe) chlorosis. Soil conditions such as high pH, high free calcium carbonate (lime), and low organic matter favor development of iron deficiency chlorosis (IDC), which can delay crop maturity and reduce yields. Two field experiments were conducted in the summer of 2014 to determine the effectiveness of Fe chelate application in alleviating IDC in grain sorghum. Treatments in the first study were four Fe chelate application rates (0, 3, 6, and 9 lb/a) applied either in-furrow with the seed at the time of planting or 2 weeks …


Nitrogen And Phosphorus Fertilization Of Irrigated Grain Sorghum, A. Schlegel, H. D. Bond Jan 2015

Nitrogen And Phosphorus Fertilization Of Irrigated Grain Sorghum, A. Schlegel, H. D. Bond

Kansas Agricultural Experiment Station Research Reports

(Abstract only. Link to: http://newprairiepress.org/kaesrr/vol1/iss3/6/) Article is nearly identical to
Long-Term Nitrogen and Phosphorus Fertilization of Irrigated Grain Sorghum, previously published in Kansas Fertilizer Research 2015, included in this PDF.

Long-term research shows that phosphorus (P) and nitrogen (N) fertilizer must be applied to optimize production of irrigated grain sorghum in western Kansas. In 2014, N applied alone increased yields 49 bu/a, whereas N and P applied together increased yields up to 81 bu/a. Averaged across the past 10 years, N and P fertilization increased sorghum yields up to 73 bu/a. Application of 40 lb/a N (with P) was …


1989 Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. P. Coffey, J. L. Moyer, D. W. Sweeney, G. V. Granade, T. Walter, K. W. Kelley Jan 1989

1989 Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. P. Coffey, J. L. Moyer, D. W. Sweeney, G. V. Granade, T. Walter, K. W. Kelley

Kansas Agricultural Experiment Station Research Reports

Research on beef cattle and crops at Southeast Kansas Branch Station.


1988 Agricultural Research, Southeast Kansas Branch Station, K. P. Coffey, J. L. Moyer, L. W. Lomas, D. W. Sweeney, G. V. Granade, T. Walter, K. W. Kelley Jan 1988

1988 Agricultural Research, Southeast Kansas Branch Station, K. P. Coffey, J. L. Moyer, L. W. Lomas, D. W. Sweeney, G. V. Granade, T. Walter, K. W. Kelley

Kansas Agricultural Experiment Station Research Reports

Research on beef cattle, crops, and related topics at Southeast Kansas Branch Station.


1987 Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. W. Kelley, J. L. Moyer, D. W. Sweeney Jan 1987

1987 Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. W. Kelley, J. L. Moyer, D. W. Sweeney

Kansas Agricultural Experiment Station Research Reports

Research on beef cattle and crops at Southeast Kansas Branch Station.


1986 Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. W. Kelley, G. M. Paulsen, J. L. Moyer, D. W. Sweeney Jan 1986

1986 Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. W. Kelley, G. M. Paulsen, J. L. Moyer, D. W. Sweeney

Kansas Agricultural Experiment Station Research Reports

Research on crops, beef cattle, and related topics at the Southeast Kansas Branch Station.


1985 Report Of Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. W. Kelley, G. V. Granade, J. L. Moyer, D. W. Sweeney Jan 1985

1985 Report Of Agricultural Research, Southeast Kansas Branch Station, L. W. Lomas, K. W. Kelley, G. V. Granade, J. L. Moyer, D. W. Sweeney

Kansas Agricultural Experiment Station Research Reports

Through annual research reports, the Southeast Kansas Branch Experiment Station attempts to keep the area's consumers and producers of agricultural products informed on the Station's research accomplishments. In serving the area, we conduct research at fields located at Parsons, site of the headquarters; at Mound Valley, the original location of the Branch Station; and at Columbus, which has been in the Kansas State University research system for over 60 years. This report for 1984 covers five areas of research emphasis: Beef Cattle, Crops, Forages, Soil and Water Management, and Crop Varietal Development. We sincerely hope that it will be useful …


1984 Report Of Agricultural Research, Southeast Kansas Branch Station, R. W. Dougherty, K. W. Kelley, L. W. Lomas, J. L. Moyer, D. W. Sweeney Jan 1984

1984 Report Of Agricultural Research, Southeast Kansas Branch Station, R. W. Dougherty, K. W. Kelley, L. W. Lomas, J. L. Moyer, D. W. Sweeney

Kansas Agricultural Experiment Station Research Reports

Through annual research reports the Southeast Kansas Branch Experiment Station attempts to keep the area's consumers and producers of agricultural products informed on the Station's research accomplishments. In serving the area, we conduct research at fields located at Parsons, site of headquarters; at Mound Valley, the original. location of the Branch Station; and at Columbus, which has been in the Kansas State University research system for over 60 years. This report for 1983 covers five areas of research emphasis: Beef Cattle, Crops, Forages, Soil and Water Management, and Crop Varietal Development. We sincerely hope that it will be useful to …


1983 Report Of Agricultural Research, Southeast Kansas Branch Station, K. W. Kelley, J. L. Moyer, L. W. Lomas Jan 1983

1983 Report Of Agricultural Research, Southeast Kansas Branch Station, K. W. Kelley, J. L. Moyer, L. W. Lomas

Kansas Agricultural Experiment Station Research Reports

Through annual research reports the Southeast Kansas Branch Experiment Station attempts to keep the area's consumers and producers of agricultural products informed on the Station's research accomplishments. In serving the area, we conduct research at fields located at Parsons, site of headquarters; at Mound Valley, the original location of the Branch Station; and at Columbus, which has been in the Kansas State University research system for 60 years. This report for 1982 covers three areas of research emphasis: Crops, Forages, and Beef Cattle. We sincerely hope that it will be useful to area producers and consumers, industry cooperators, Extension personnel …


1982 Report Of Agricultural Research, Southeast Kansas Branch Station, R. E. Lamond, J. L. Moyer, K. W. Kelley, L. W. Lomas Jan 1982

1982 Report Of Agricultural Research, Southeast Kansas Branch Station, R. E. Lamond, J. L. Moyer, K. W. Kelley, L. W. Lomas

Kansas Agricultural Experiment Station Research Reports

Through annual research reports the Southeast Kansas Branch Experiment Station attempts to keep the area's consumers and producers of agricultural products informed on the Station's research accomplishments. In serving the area, we conduct research at fields located at Parsons, site of the headquarters; at Mound Valley, the original location of the Branch Station; and at Columbus, which has been in the Kansas State University research system for nearly 60 years. This report for 1981 covers four areas of research emphasis: Soil and Water Management, Forages, Crops, and Beef Cattle. We sincerely hope that it will be useful to area producers …


1981 Report Of Agricultural Research, Southeast Kansas Branch Station, K. W. Kelley, L. W. Lomas, J. L. Moyer, R. E. Lamond Jan 1981

1981 Report Of Agricultural Research, Southeast Kansas Branch Station, K. W. Kelley, L. W. Lomas, J. L. Moyer, R. E. Lamond

Kansas Agricultural Experiment Station Research Reports

This annual research report is to inform area farmers of what is being attempted and accomplished at the Southeast Kansas Branch Experiment Station to serve the area. During 1980 the Station headquarters was moved from Mound Valley to Parsons, the location of one of the units of the Station since 1967. Effort at the Mound Valley location continues without reduction. The third unit of the Station is near Columbus. This report covers four areas of research emphasis: crops, forages, beef cattle, and soil and water management. The information is intended for producers, industry cooperators, and other interested persons.


1979 Research Results Southeast Kansas Branch Agricultural Experiment Station, K. W. Kelley, R. J. Johnson, L. W. Lomas, J. L. Moyer, R. E. Lamond Jan 1980

1979 Research Results Southeast Kansas Branch Agricultural Experiment Station, K. W. Kelley, R. J. Johnson, L. W. Lomas, J. L. Moyer, R. E. Lamond

Kansas Agricultural Experiment Station Research Reports

Southeast Kansas Experiment Station is in its 30th year of operation. The emphasis has changed over this period to reflect changes in agricultural emphases of the area. The professional research staff consists of four scientists, each with a broad area of research responsibility. Together they emphasize improvement in crop production, forage production, beef cattle production and soil and water management.


Plant And Soil Science Research Results 1978-79, Southeastern Kansas Branch, K. W. Kelley, R. J. Johnson Jan 1979

Plant And Soil Science Research Results 1978-79, Southeastern Kansas Branch, K. W. Kelley, R. J. Johnson

Kansas Agricultural Experiment Station Research Reports

Crop research in Southeast Kansas, Mound Valley.