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Effect Of Dormant ‘Midiron’ Bermudagrass Colorant Applications On Clothing Blemishing, J. Hoyle, Daniele L. Mcfadden Jul 2017

Effect Of Dormant ‘Midiron’ Bermudagrass Colorant Applications On Clothing Blemishing, J. Hoyle, Daniele L. Mcfadden

Kansas Agricultural Experiment Station Research Reports

Minimal research exists on potential clothing blemishing when athletes contact turfgrass applied with colorants. Field trials were initiated February 16, 2017, and conducted to test the effect of turfgrass colorant applications on clothing blemishing if an athlete is to come in contact with the playing surface. Turfgrass colorants will adhere to turfgrass leaf blades and do not blemish clothing. However, tested turfgrass pigments did result in significant blemishing of clothing.


Native Turfgrass Tolerance To Indaziflam Applications, J. Hoyle Jul 2017

Native Turfgrass Tolerance To Indaziflam Applications, J. Hoyle

Kansas Agricultural Experiment Station Research Reports

Multiple research trials were conducted from 2014 to 2016 in the Manhattan, KS, area to determine the use of indaziflam in native turfgrass systems. Results indicated that evaluated species are tolerant to indaziflam applications throughout the year.


Estimating Transpiration From Turfgrass Using Stomatal Conductance Values Derived From Infrared Thermometry, Kenton W. Peterson, D. Bremer, J. M. Blonquist Jr. Jul 2017

Estimating Transpiration From Turfgrass Using Stomatal Conductance Values Derived From Infrared Thermometry, Kenton W. Peterson, D. Bremer, J. M. Blonquist Jr.

Kansas Agricultural Experiment Station Research Reports

Infrared thermometry provides accurate measurements of plant canopy temperature, which, along with basic weather variables, allows estimation of canopy stomatal conductance to water vapor flux (gc) and transpiration. Using this method we compared modeled estimates of transpiration (CONDT) with evapotranspiration (ET) measurements from nearby microlysimeters (LYSET) in tall fescue (Schedonorus arundinaceus Schreb.) turfgrass. Results indicated transpiration may be reliably estimated via calculation of gc in turfgrass.


Measurement Of Evapotranspiration In Turfgrass: Recommended Techniques And Adjustment Coefficients, Kenton W. Peterson, D. Bremer, Kira B. Shonkwiler, J. M. Ham Jul 2017

Measurement Of Evapotranspiration In Turfgrass: Recommended Techniques And Adjustment Coefficients, Kenton W. Peterson, D. Bremer, Kira B. Shonkwiler, J. M. Ham

Kansas Agricultural Experiment Station Research Reports

Evapotranspiration (ET) from turfgrass can be measured directly using lysimeters (LYS), estimated from weather data using models, or approximated using atmometers. Evapotranspiration measurements from LYS were compared with ET estimates from four variations of the American Society of Civil Engineers (ASCE) standardized ET equation including the use of: 1) hourly steps of measured net radiation (Rn) (ASCEHM); 2) hourly steps of Rn calculated from global irradiance (ASCEHC); 3) daily steps of measured Rn (ASCEDM); and 4) daily steps of Rn calculated from global irradiance (ASCEDC); ET from …


Development Of Cold Hardy, Large Patch Resistant Zoysiagrass Cultivars For The Transition Zone, Mingying Xiang, J. Fry, M. Kennelly Jul 2017

Development Of Cold Hardy, Large Patch Resistant Zoysiagrass Cultivars For The Transition Zone, Mingying Xiang, J. Fry, M. Kennelly

Kansas Agricultural Experiment Station Research Reports

A Z. japonica genotype TAES 5645 which exhibited resistance to large patch in preliminary studies conducted by our collaborators at Texas A&M University was used as a breeding parent there and crossed with 22 cold hardy zoysiagrasses, resulting in 985 progeny. These progeny were evaluated for cold hardiness and agronomic traits (establishment rate, overall quality, spring greenup, leaf texture, and genetic color) in Manhattan, KS; West Lafayette, IN; and Dallas, TX; from 2012 to 2014. This report focuses on the Manhattan, KS, results. From this work, 60 progeny were identified for further evaluation in larger plots. In fall 2016, ‘Meyer’ …


Nitrous Oxide Emissions And Carbon Sequestration In Turfgrass: Effects Of Irrigation And Nitrogen Fertilization (Year 2), R. Braun, D. Bremer Jul 2017

Nitrous Oxide Emissions And Carbon Sequestration In Turfgrass: Effects Of Irrigation And Nitrogen Fertilization (Year 2), R. Braun, D. Bremer

Kansas Agricultural Experiment Station Research Reports

This study was conducted from 2013–2016 to determine how irrigation and N fertilization may be managed to reduce N2O emissions and enhance carbon sequestration. In this study, annual nitrous oxide (N2O) emissions were greatest in urea and the least in unfertilized (no N) among treatments. During summer, the lower irrigation treatment resulted in less N2O emitted. All fertilizer and irrigation treatments maintained acceptable quality and high levels of percent green cover; however, the controlled-release fertilizer resulted in more consistent turf quality and green cover compared to urea and unfertilized. Urea fertilizer had higher peak …


Evaluating Zoysiagrass-Tall Fescue Mixtures In Kansas, Mingying Xiang, J. Fry, M. Kennelly Jul 2017

Evaluating Zoysiagrass-Tall Fescue Mixtures In Kansas, Mingying Xiang, J. Fry, M. Kennelly

Kansas Agricultural Experiment Station Research Reports

Water conservation is increasingly important when selecting turfgrasses. Zoysiagrass (Zoysia japonica), a C4 grass, is more drought resistant than C3 grasses. However, there is some resistance to the use of zoysiagrass in lawns and golf courses due to its extended dormant period when turf is brown. The objective of this study was to evaluate mowing height, tall fescue seeding rate and time for establishment of a mixed stand with seeded zoysiagrass. Seeding zoysiagrass and tall fescue together in June generally resulted in a less uniform mixture than seeding zoysiagrass in June and then seeding tall fescue in September. …


Use Of Pyrimisulfan And Penoxsulam In Turfgrass Systems, J. Hoyle Jul 2017

Use Of Pyrimisulfan And Penoxsulam In Turfgrass Systems, J. Hoyle

Kansas Agricultural Experiment Station Research Reports

Pyrimisulfan + penoxsulam applications in ‘Meyer’ zoysiagrass and buffalograss resulted in excellent large crabgrass control and no turfgrass injury. Applications also do not have any negative influence on tested ornamental species.


Impact Of Zoysiagrass And Tall Fescue Seed Mixtures On Brown Patch Severity, Mingying Xiang, J. Fry, M. Kennelly Jul 2017

Impact Of Zoysiagrass And Tall Fescue Seed Mixtures On Brown Patch Severity, Mingying Xiang, J. Fry, M. Kennelly

Kansas Agricultural Experiment Station Research Reports

Earlier research has demonstrated that polystands of zoysiagrass and tall fescue can be established successfully, with the potential to provide a high-quality turfgrass stand with reduced inputs. Our objective was to determine whether mixing zoysiagrass with tall fescue will reduce brown patch severity while maintaining overall acceptable quality. Studies were established at the Rocky Ford Turfgrass Research Center in Manhattan, KS. In the split-plot design, natural infection by Rhizoctonia solani or a fungicide-treated control was the whole-plot treatment factor and species (tall fescue monostand and the zoysiagrass/tall fescue mixture) were subplots. During July and August 2016, when hot, humid weather …


Influence Of Tall Fescue Baseball Infield Mowing Height On Ground Ball Speed, J. Hoyle, Gage M. Knudson Jul 2017

Influence Of Tall Fescue Baseball Infield Mowing Height On Ground Ball Speed, J. Hoyle, Gage M. Knudson

Kansas Agricultural Experiment Station Research Reports

Athletic field conditions have been shown to influence playability. Results of ball-roll speed studies can be used to predict success of infield hits. Field trials were conducted at Rocky Ford Turfgrass Research Center, Manhattan, KS, to determine the influence of tall fescue baseball infield mowing height on ground ball speed and batter on-base success. Mowing heights of 1, 2, and 3 inches resulted in 1.77, 2.08, and 1.88 s ground ball times, respectively.


The Effect Of Human Insect Repellents On Perennial Ryegrass (Lolium Perenne) Growth And Recovery, J. Hoyle, Peyton E. South Jul 2017

The Effect Of Human Insect Repellents On Perennial Ryegrass (Lolium Perenne) Growth And Recovery, J. Hoyle, Peyton E. South

Kansas Agricultural Experiment Station Research Reports

Turfgrass damage has been observed from misapplications of human insect repellents. Minimal research has been conducted to determine the cause of the damage. Greenhouse research trials were initiated in November 2016 to survey various human insect repellents on turfgrass growth and recovery. Insect repellents resulted in a wide range of damage. No common trend was observed, although the research trial shows possible repellents to be used around turfgrass that will minimize turfgrass injury.


Response Of Seven Woody Ornamentals To Turfgrass Herbicide Applications Of Arylex, Penoxsulam, And Pyrimisulfan, J. Hoyle Jul 2017

Response Of Seven Woody Ornamentals To Turfgrass Herbicide Applications Of Arylex, Penoxsulam, And Pyrimisulfan, J. Hoyle

Kansas Agricultural Experiment Station Research Reports

Continued testing of turf-applied herbicides are being conducted to ensure off-target plant injury does not occur in the landscape. Results indicate high herbicide safety on select landscape ornamentals with new herbicides used to manage weeds in turf.


2012 National Turfgrass Evaluation Program Tall Fescue Test: 2016 Data, L. Parsons, Michael J. Shelton, M. Kennelly, J. Griffin, J. Hoyle Jul 2017

2012 National Turfgrass Evaluation Program Tall Fescue Test: 2016 Data, L. Parsons, Michael J. Shelton, M. Kennelly, J. Griffin, J. Hoyle

Kansas Agricultural Experiment Station Research Reports

Research efforts to improve cultivar quality include selecting for stress tolerance and disease resistance as well as finer leaf texture, a rich green color, and better sward density. Several cultivars included in the 2012 National Turfgrass Evaluation Program Tall Fescue Test performed well and showed good brown patch resistance in south central Kansas during the 2016 growing season.


2013 National Turfgrass Evaluation Program Bermudagrass Test: 2016 Data, L. Parsons, Michael J. Shelton, J. Griffin, J. Hoyle Jul 2017

2013 National Turfgrass Evaluation Program Bermudagrass Test: 2016 Data, L. Parsons, Michael J. Shelton, J. Griffin, J. Hoyle

Kansas Agricultural Experiment Station Research Reports

Kansas represents the northernmost region in the central United States where bermudagrass can be successfully grown as a perennial turfgrass. Historically, few cultivars that have both acceptable quality and adequate cold tolerance have been available to local growers. Because new introductions are continually being selected for improved hardiness and quality, both seeded and vegetative types need regular evaluation to determine their long-range suitability for use in Kansas.


Performance And Recovery Of Turfgrasses Subjected To Drought And Traffic Stresses, R. Braun, D. Bremer, J. Hoyle, N. Bloedow Jul 2017

Performance And Recovery Of Turfgrasses Subjected To Drought And Traffic Stresses, R. Braun, D. Bremer, J. Hoyle, N. Bloedow

Kansas Agricultural Experiment Station Research Reports

This study is an effort to determine effects of drought and traffic in turfgrasses. During a 41-day summer drought in 2015 and 2016, warm-season (C4) grasses were more affected by traffic than cool-season (C3) grasses when percent green cover and turf quality were measured. This was because the non-trafficked plots in C4 grasses maintained higher percent green cover and turf quality throughout the drought due to better drought-stress tolerance than the C3 grasses. Regardless of traffic treatment or mowing height, C4 grasses maintained higher percent green cover and visual turf quality than C3 grasses during drought and recovery periods. There …


Agricultural Bio-Stimulant Application To Enhance Phosphorus Availability In Grain Sorghum, A. Obour Jun 2017

Agricultural Bio-Stimulant Application To Enhance Phosphorus Availability In Grain Sorghum, A. Obour

Kansas Agricultural Experiment Station Research Reports

This study was conducted to determine the effectiveness of AgZyme and SuperHume (both products of Ag Concepts Corp) application on phosphorus (P) uptake and utilization efficiency in grain sorghum. Treatments were a control, 30 lb P2O5/a, 20 oz/a AgZyme, 20 oz/a AgZyme + 30 lb P2O5/a, 20 oz/a AgZyme + 30 lb P2O5/a + 6 qt/a SuperHume, which were arranged in a randomized complete block design with four replications. Preliminary results in 2016 showed grain sorghum aboveground biomass, grain moisture content, and test weight were not affected by …


Long-Term Tillage And Nitrogen Fertilization Effects On Soil Surface Chemistry, A. Obour, J. D. Holman Jun 2017

Long-Term Tillage And Nitrogen Fertilization Effects On Soil Surface Chemistry, A. Obour, J. D. Holman

Kansas Agricultural Experiment Station Research Reports

Long-term crop management practices can affect nutrient cycling and availability to crops. This study examined the long-term effects of nitrogen (N) fertilizer application (N rates of 0, 20, 40, and 60 lb N/a) and tillage intensity (conventional tillage (CT), reduced tillage (RT), and no-tillage (NT)) on soil phosphorus (P), micronutrients, and soil acidity in a dryland winter wheat (Triticum aestivum L.)–sorghum (Sorghum bicolor L.)–fallow cropping system. Results showed soil organic matter (SOM), iron (Fe), and zinc (Zn) concentrations were greater under NT compared to CT or RT. Similarly, NT ( 32 ppm) increased P accumulation in the upper …


Corn Grain Yield Trends From 2012 To 2016: A 26-Year Long-Term Experiment, J. Rivera-Zayas, Charles Rice Jun 2017

Corn Grain Yield Trends From 2012 To 2016: A 26-Year Long-Term Experiment, J. Rivera-Zayas, Charles Rice

Kansas Agricultural Experiment Station Research Reports

Long-term research trials provide an understanding of long-term effects on crop production. This long-term research studied the effect of conventional tillage (CT) and no-tillage (NT) systems. Factors of this 22-year study of corn (Zea mays L.) production also included the application of nitrogen (N) in the forms of ammonium nitrate and manure at rates of 150 lb/N/a. Corn grain yield trends during 2012 to 2016 were affected by the interaction between N source and year (P < 0.05). The interaction between tillage practices and N source and the overall interaction between the last 5 years did not yield performance (P > 0.05). Under the studied conditions the 75 lb/N/a as N fertilizer or manure achieved high corn yields.


Long-Term Nitrogen And Phosphorus Fertilization Of Irrigated Grain Sorghum, A. Schlegel, H. D. Bond Jun 2017

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

Kansas Agricultural Experiment Station Research Reports

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 2016, N applied alone increased yields 71 bu/a, whereas N and P applied together increased yields up to 93 bu/a. Averaged across the past 10 years, N and P fertilization increased sorghum yields up to 77 bu/a. Application of 80 lb/a N (with P) was sufficient to produce 89% of maximum yield in 2016 which is slightly less than the 10-yr average. Application of potassium (K) has had no effect on sorghum yield throughout the study …


Palmer Amaranth (Amaranthus Palmeri) Suppression With Half Rates Of Dicamba And Atrazine With Increasing Sorghum (Sorghum Bicolor) Density And Nitrogen Rate, I. B. Cuvaca, R. Currie, A. J. Foster Jun 2017

Palmer Amaranth (Amaranthus Palmeri) Suppression With Half Rates Of Dicamba And Atrazine With Increasing Sorghum (Sorghum Bicolor) Density And Nitrogen Rate, I. B. Cuvaca, R. Currie, A. J. Foster

Kansas Agricultural Experiment Station Research Reports

Palmer amaranth (PA) competition can result in severe yield loss in grain sorghum. Increasing sorghum density and nutrient supply could promote early/rapid canopy closure and therefore reduce the amount of light that could otherwise penetrate the canopy and promote PA growth in sorghum. A study was conducted at the Southwest Research-Extension Center near Garden City, KS, to determine if PA could be suppressed with dicamba and atrazine applied as PRE at half rates combined with increasing sorghum density (60,000, 90,000, and 120,000 seeds/a), and nitrogen rate (0, 100, 200 lb/a). Preliminary results indicate that increasing plant density and nitrogen rate …


Impact Of Cover Crops And Phosphorus Fertilizer Management On Nutrient Cycling In No-Tillage Corn-Soybean Rotation, R. E. Carver, N. O. Nelson, D. S. Abel, K. Roozeboom, G. J. Kluitenberg, P. J. Tomlinson, J. R. Williams Jun 2017

Impact Of Cover Crops And Phosphorus Fertilizer Management On Nutrient Cycling In No-Tillage Corn-Soybean Rotation, R. E. Carver, N. O. Nelson, D. S. Abel, K. Roozeboom, G. J. Kluitenberg, P. J. Tomlinson, J. R. Williams

Kansas Agricultural Experiment Station Research Reports

The objective of this study was to quantify the effects of cover crops and different fertilizer management techniques on the amount of nutrients being removed and recycled in the soil system. This study was conducted at Ashland Bottoms, KS, from 2014-2016. A 2 × 3 factorial design with three replicates was utilized in this study. The fertilizer management treatments included a control of 0 lb/a P2O5, along with fall broadcast and spring injected applications of P2O5 based on a build and maintain recommendation system. Results show that total uptake of K2O …


Kansas Fertilizer Research 2017 Jun 2017

Kansas Fertilizer Research 2017

Kansas Agricultural Experiment Station Research Reports

Reports on fertilizer and related topics from Kansas State University.


Nitrogen And Phosphorus Application Effects On Pearl Millet Forage Yield And Nutritive Value, D. D. Serba, A. Obour Jun 2017

Nitrogen And Phosphorus Application Effects On Pearl Millet Forage Yield And Nutritive Value, D. D. Serba, A. Obour

Kansas Agricultural Experiment Station Research Reports

There is limited information on the nitrogen (N) and phosphorus (P) fertilizer requirement of pearl millet forage in dryland systems. Determination of optimum N and P rates for pearl millet forage production in dryland environments of the Great Plains will have economic advantage for farmers and ranchers growing pearl millet for forage. A field experiment was conducted in 2016 at the Agricultural Research Center-Hays, KS, to investigate N and P fertilizer application effects on forage yield and nutritive value of pearl millet. Factorial combinations of five levels of N (0, 30, 60, 90, and 120 lb/a) and three levels of …


Biochar And Nitrogen Effects On Winter Wheat Growth, T. E. Zee, N. O. Nelson, G. Newdigger Jun 2017

Biochar And Nitrogen Effects On Winter Wheat Growth, T. E. Zee, N. O. Nelson, G. Newdigger

Kansas Agricultural Experiment Station Research Reports

Biochar, a co-product of thermochemical bioenergy production, may be a valuable soil amendment, but little is known about its potential long-term effects on plant growth and soil fertility. In order to gain more information, this experiment was performed to see if the addition of biochar, in comparison to lime and fertilizer treatments, has the potential to return key nutrients back to the soil or increase crop yield. A field study to investigate the effects of biochar on plant growth was initiated in 2011 near St. John, KS. Treatments included biochar applied at 16.6 ton/a (biochar), lime and annual applications of …


Long-Term Nitrogen And Phosphorus Fertilization Of Irrigated Corn, A. Schlegel, H. D. Bond Jun 2017

Long-Term Nitrogen And Phosphorus Fertilization Of Irrigated Corn, A. Schlegel, H. D. Bond

Kansas Agricultural Experiment Station Research Reports

Long-term research shows that phosphorus (P) and nitrogen (N) fertilizer must be applied to optimize production of irrigated corn in western Kansas. In 2016, N applied alone increased yields 85 bu/a, whereas P applied alone increased yields only 12 bu/a. Nitrogen and P applied together increased yields up to 164 bu/a. This is 20 bu/a greater than the 10-year average, where N and P fertilization increased corn yields up to 144 bu/a. Application of 120 lb/a N (with highest P rate) produced about 94% of maximum yield in 2016, which is similar to the 10-year average. Application of 80 instead …


Interaction Of Seeding And Nitrogen Rate On Grain Sorghum Yield In Southwest Kansas, A. J. Foster, A. Schlegel, J. D. Holman, I. A. Ciampitti, C. Thompson, D. Ruiz Diaz Jun 2017

Interaction Of Seeding And Nitrogen Rate On Grain Sorghum Yield In Southwest Kansas, A. J. Foster, A. Schlegel, J. D. Holman, I. A. Ciampitti, C. Thompson, D. Ruiz Diaz

Kansas Agricultural Experiment Station Research Reports

This study compared drilled planted sorghum at four seeding rates to planted sorghum at three different nitrogen (N) fertility levels at two locations in southwest Kansas (Garden City and Tribune). At the Garden City location, no difference was observed in yield among the drilled seeded sorghum populations greater than 27,000 seeds/a compared to the standard planted sorghum (sorghum planted at 27,000 seeds/a with a planter at 30 in.-row spacing). At Tribune, there was no difference in yield between the drilled sorghum and the standard planted sorghum (sorghum planted at 40,000 seeds/a with a planter at 30 in.-row spacing) regardless of …


Productivity Of A Triticale And Crimson Clover Winter Cover Crop For Dairies, K. Olagaray, C. Takiya, M. Scheffel, T. Brown, J. S. Stevenson, D. H. Min, B. Bradford Jan 2017

Productivity Of A Triticale And Crimson Clover Winter Cover Crop For Dairies, K. Olagaray, C. Takiya, M. Scheffel, T. Brown, J. S. Stevenson, D. H. Min, B. Bradford

Kansas Agricultural Experiment Station Research Reports

The potential for a winter cover crop to align with agronomic objectives and to support milk production was evaluated at the Kansas State University Dairy Teaching and Research Center, Manhattan, KS. August planting of a triticale and crimson clover blend following corn silage harvest resulted in production of more than 3.5 tons of dry matter prior to subsequent corn planting. After ensiling, the impact of triticale/crimson clover silage (TCS) on milk production was evaluated in 48 mid- to late-lactation Holstein cows. Cows were blocked by parity (1 and 2+) and milk production, then randomly assigned within block to treatment sequence …


Development Of A Berry Processing Score For Sorghum Silage And Assessment Of Processing Effects On Sorghum Silage Starch Digestibility, J. R. Johnson, J. P. Goeser, Michael Brouk Jan 2017

Development Of A Berry Processing Score For Sorghum Silage And Assessment Of Processing Effects On Sorghum Silage Starch Digestibility, J. R. Johnson, J. P. Goeser, Michael Brouk

Kansas Agricultural Experiment Station Research Reports

The objectives of this study were to develop a berry processing score (BPS) for sorghum silage, similar to the kernel processing score currently used for corn silage, and to evaluate the effects of processing on starch digestibility. Sorghum silage samples were collected from commercial farms in Kansas and randomly assigned to 1 of 4 processing levels differing in roll gap spacing: unprocessed (UNP), 1.5 (1.5P), 1.0 (1.0P), or 0.5 (0.5P) mm. Differences in BPS and starch digestibility were found–as the roll gap decreased, both BPS and starch digestibility increased. Thus, by processing sorghum silage during harvest and measuring the extent …


Effects Of Growing-Season Prescribed Burning On Vigor Of Sericea Lespedeza In The Kansas Flint Hills: I. Suppression Of Seed Production And Canopy Dominance, J. A. Alexander, W. H. Fick, J. Lemmon, G. A. Gatson, G. W. Preedy, K C. Olson Jan 2017

Effects Of Growing-Season Prescribed Burning On Vigor Of Sericea Lespedeza In The Kansas Flint Hills: I. Suppression Of Seed Production And Canopy Dominance, J. A. Alexander, W. H. Fick, J. Lemmon, G. A. Gatson, G. W. Preedy, K C. Olson

Kansas Agricultural Experiment Station Research Reports

Sericea lespedeza (Lespedeza cuneata) is a highly fecund noxious weed in Kansas and surrounding states. Individual plants are capable of producing greater than 1,000 seeds annually. Vigorous seed production allows sericea lespedeza to rapidly infiltrate native and cultivated grasslands; seed can be transported great distances via farm machinery and the alimentary canal of wild and domestic herbivores. In Kansas alone, sericea lespedeza infests more than 700 square miles of pasture, primarily in the Flint Hills region. The resulting damage to native habitats for wildlife and pasture quality for domestic herbivores has been devastating.
The predominant grazing management practice …


Including Legumes In Bermudagrass Pastures, J. L. Moyer, L. W. Lomas Jan 2017

Including Legumes In Bermudagrass Pastures, J. L. Moyer, L. W. Lomas

Kansas Agricultural Experiment Station Research Reports

Use of legumes in bermudagrass pastures did not affect summer cow gains in 2016. Forage availability was also similar where ladino clover was used in the Legume system compared with where Nitrogen (N) alone was used. Estimated forage crude protein (CP) was greater for the Legume than the Nitrogen system in early summer, but was similar by mid-summer.