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East Central Kansas Experiment Field

The research program at the East Central Kansas Experiment Field is designed to keep area crop producers abreast of technological advances in agronomic agriculture. Specific objectives are to 1) identify top performing varieties and hybrids of wheat, corn, soybean, and grain sorghum; 2) establish the amount of tillage and crop residue cover needed for optimum crop production; 3...

Tillage Study for Corn and Soybean: Comparing Vertical, Deep, and No-Tillage

A tillage study comparing no-tillage, shallow tillage, and deep tillage in alternate or every year for corn and soybeans in annual rotation was conducted at Kansas River Valley Experiment Field for five years. The influence of tillage system on corn yield appears to be increasing with time, soybean yields appear to perform equally well with any of the systems. As the study...

Kansas River Valley Experiment Field

The Kansas River Valley Experiment Field was established to study management and effective use of irrigation resources for crop production in the Kansas River Valley (KRV). The Paramore Unit consists of 80 acres located 3.5 miles east of Silver Lake on U.S. Highway 24, then 1 mile south of Kiro, and 1.5 miles east on 17th street. The Rossville Unit consists of 80 acres located 1...

Timing of Strobilurin Fungicide for Control of Top Dieback in Corn

Significant yield losses can result from top dieback (TDB) in dent corn, which is caused by infection by the fungus, Colletotrichum graminicola, causing anthracnose. Research is limited on the effectiveness of fungicide application because of the unpredictable nature of the disease. Three field studies were established to assess the timing of fungicide application on foliar...

Kansas River Valley Experiment Field

The Kansas River Valley Experiment Field was established to study management and effective use of irrigation resources for crop production in the Kansas River Valley (KRV). The Paramore Unit consists of 80 acres located 3.5 miles east of Silver Lake on U.S. Highway 24, then 1 mile south of Kiro, and 1.5 miles east on 17th street. The Rossville Unit consists of 80 acres located 1...

Interaction Between Seed Treatment and Variety on Sudden Death Syndrome Symptoms and Soybean Yield

Sudden Death Syndrome (SDS) is a soybean disease that perennially limits yields in the Kansas River Valley (KRV). The presence of soybean cyst nematode (SCN) and saturated soils has been implicated in contributing to the severity of the disease. Selecting varieties with some degree of tolerance to SDS has been the primary cultural practice to reduce yield loss to SDS. Another...

East Central Kansas Experiment Field

The research program at the East Central Kansas Experiment Field is designed to keep area crop producers abreast of technological advances in agronomic agriculture. Specific objectives are to (1) identify top performing varieties and hybrids of wheat, corn, soybean, and grain sorghum; (2) establish the amount of tillage and crop residue cover needed for optimum crop production...

Tillage Study for Corn and Soybeans: Comparing Vertical, Deep, and No-till

The need for tillage in corn and soybean production in the Kansas River Valley continues to be debated. The soils of the Kansas River Valley are highly variable, with much of the soil sandy to silty loam in texture. These soils tend to be relatively low in organic matter (< 2%) and susceptible to wind erosion. Although typically well drained, these soils can develop compaction...

Soybean Sudden Death Syndrome Influenced by Macronutrient Fertility on Irrigated Soybeans in a Corn/Soybean Rotation

The effects of nitrogen (N), phosphorus (P), and potassium (K) fertilization on a corn/ soybean cropping sequence were evaluated from 1983 to 2016, with corn planted in odd years. There was a negative relationship between the P rate applied during the corn years and the severity of sudden death syndrome (SDS) in 2014 and 2016 soybean.

Sudden Death Syndrome and Soybean Planting Date

The effect of planting date on severity of sudden death syndrome (SDS) and yield was evaluated for the second year in two studies at the Kansas River Valley experiment fields in 2016. One study was established to promote SDS and the other to minimize SDS. In both studies the severity of SDS was greatest with the earlier planting dates. The yield was greatest with the earlier...

Timing of Strobilurin Fungicide for Control of Top Dieback in Corn

Significant yield losses can result from top dieback (TDB) in dent corn (Zea mays), which is caused by infection by the fungus causing anthracnose (Colletotrichum graminicola). Research is limited on the effectiveness of fungicide application because of the unpredictable nature of the disease. Two field studies were established to assess the timing of fungicide application on TDB...

Soybean: Genetic Gain × Fertilizer Nitrogen Interaction

Institute (INTA), Argentina; Pioneer; and the Fluid Fertilizer Foundation. Authors O. Ortez, F. Salvagiotti, Eric Adee, J. Enrico, and I. A. Ciampitti This Soybean article is available in Kansas

Planting Date by Maturity Group in Kansas: 2016 Season and Three-Year Summary

I. A. Ciampitti, O. Ortez, D. E. Shoup, Eric Adee, J. Kimball, Gretchen Sassenrath, and G. Cramer This Soybean article is available in Kansas Agricultural Experiment Station Research Reports: http

Sudden Death Syndrome and Soybean Planting Date

The effect of soybean planting date on the severity of sudden death syndrome (SDS) and yield were evaluated in two studies at the Kansas River Valley Experiment Field in 2015. One study was established to promote SDS and the other to minimize SDS. In both studies the severity of SDS was greatest with the earlier planting dates, except for the more tolerant variety. The yield was...

Soybean: Evaluation of Inoculation

A soybean crop can obtain up to 50 to 75% of its nitrogen (N) requirements from the air when the biological fixation is effectively established (Pedersen, 2007). The overall objective of this project was to quantify the response to inoculation for soybean in a field without previous history of this crop. Following this rationale, a field study was conducted during the 2015...

Corn Yield Response to Plant Populations

Corn hybrid development with a focus on drought tolerance has emerged in recent years, and producers have questions about their yield performance across a range of plant populations. A three-year study was conducted to determine the yield of corn hybrids across several plant populations. Corn hybrids responded differently across three different yield environments in 2013, 2014...

Response of Drought-Tolerant Hybrids to Environmental Yield Potential

conclusive. Creative Commons License This work is licensed under a Creative Commons Attribution 4.0 License. Authors T. Newell, K. Roozeboom, I. A. Ciampitti, Eric Adee, G. Cramer, J. D. Holman, and A

Balanced Nutrition and Crop Production Practices for Closing Sorghum Yield Gaps

, Eric Adee, J. Kimball, P. V. Vara Prasad, and I. A. Ciampitti This East Central Kansas Experiment Field article is available in Kansas Agricultural Experiment Station Research Reports: http

Grain Sorghum Response to Water Supply and Environment

. J. Kluitenberg, K. Roozeboom, G. Cramer, Eric Adee, A. Schlegel, J. D. Holman, and I. A. Ciampitti Thi s Kansas River Valley Experiment Field article is available in Kansas Agricultural Experiment