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N Management with Cover Crops

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Authors

Adeyemi, O

Armstrong, S

Battaglia, M

Bielenberg, H

Bly, A

Burdine, K

Clark, J

Fernandez, F.G

Hunter, D

Jahanzad, E

Keshavarz-Afshar, R

Luo, Y

Mercier, K

Rahhal, A

Ritchey, E

Sadeghpour, A

Sanyal, D

Sharma, V

Smith, S

Teutsch, C

Vanzant, E

Wayment, J

Wolthuizen, J

Topics

N Management with Cover Crops

Type

Poster

Year

2020

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Filter results6 paper(s) found.
1. Cover crops nutrients uptake did not cause yield loss in corn Bare soils are susceptible to erosion and nutrient loss. Cover crops and residues provide physical protection against erosion and nutrient loss, and improve nutrient cycling as well as biodiversity. We hypothesized that cover crops store available nutrients from the soil in the fall and release them the next spring for the next cash crop, minimizing potential nutrients loss with no adverse effect on cash crop yield. A four site-year study throughout South Dakota was conducted to com...
2. Applying N to legume-containing summer annual forage mixtures Summer annual forages are costly to implement but can provide quality grazing when cool-season perennial forages are less productive. Increasing botanical diversity may increase system productivity, thereby improving economic efficiency. However, there is debate as to whether annual legumes supply associated grasses with fixed N, leading to uncertainty regarding N application rates to legume containing summer annual forage mixtures. This experiment supplied three summer annual forage treatmen... K. Mercier, C. Teutsch, S. Smith, E. Ritchey, K. Burdine, E. Vanzant Download paper
3. Can Cover Crops Help to Improve Soil Health While Having a Positive Effect on Corn Grain Yield? Cover crops have recently gained attention in the U.S. Mid-west because of their potential to increase soil organic matter and improve overall soil health. There is some concern however, that cover crops may negatively impact corn grain yield. This study was conducted to determine the effects that different cover crop mixtures have on soil health measurements and corn grain yield at increasing nitrogen rates. Cover crops were planted in the fall as a dominantly grass mixture, domina...
4. Can Kura Clover and Winter Rye Covers Mitigate Nitrate Leaching In Irrigated Sands? Cover crops are gaining more popularity as a mitigation tool to prevent nitrate (NO3--N) leaching from the corn (Zea mays L.) and soybean [Glycine max (L.) merr.] fields of Minnesota. Leaching of NO3--N is not only a monetary loss for growers, but also results in groundwater contamination. Winter rye (Secale cereale), a commonly grown cover crop in Minnesota and kura clover (Trifolium ambiguum), a l...
5. CORN YIELD AND NITROGEN USE EFFICIENCY RESPONSE TO WHEAT COVER CROP AND SPLIT NITROGEN APPLICATION Corn (Zea mays L.) grain is a major commodity crop in Illinois and its production largely relies on timely application of nitrogen (N) fertilizers. Currently, growers in Illinois and other neighboring states in the U.S. Midwest use the maximum return to N (MRTN) decision support system to predict corn N requirements. However, the current tool does not factor in implications of integrating cover crops into the rotation, which has recently gained attention among growers due to sev... R. Keshavarz-afshar, E. Jahanzad, M. Battaglia, Y. Luo, A. Sadeghpour, O. Adeyemi Download paper
6. Precision planting impacts on winter cereal rye growth, nutrient uptake, spring soil temperature, and adoption cost Growing winter cereal rye (Secale cereale) (WCR) has been identified as an effective in-field practice to reduce nitrate-N and phosphorus (P) losses to Upper Mississippi River Basin (UMRB), USA. In the Midwestern USA, growers are reluctant to plant WCR especially prior to corn (Zea mays L.) due to N immobilization and establishment issues. Precision planting of WCR or “Skipping the corn row” (STCR) can minimize some issues associated with WCR ahead of corn while ...

Filter results6 paper(s) found.

1. Cover crops nutrients uptake did not cause yield loss in corn

Bare soils are susceptible to erosion and nutrient loss. Cover crops and residues provide physical protection against erosion and nutrient loss, and improve nutrient cycling as well as biodiversity. We hypothesized that cover crops store available nutrients from the soil in the fall and release them the next spring for the next cash crop, minimizing potential nutrients loss with no adverse effect on cash crop yield. A four site-year study throughout South Dakota was conducted to com...

2. Applying N to legume-containing summer annual forage mixtures

Summer annual forages are costly to implement but can provide quality grazing when cool-season perennial forages are less productive. Increasing botanical diversity may increase system productivity, thereby improving economic efficiency. However, there is debate as to whether annual legumes supply associated grasses with fixed N, leading to uncertainty regarding N application rates to legume containing summer annual forage mixtures. This experiment supplied three summer annual forage treatmen... K. Mercier, C. Teutsch, S. Smith, E. Ritchey, K. Burdine, E. Vanzant

Download paper

3. Can Cover Crops Help to Improve Soil Health While Having a Positive Effect on Corn Grain Yield?

Cover crops have recently gained attention in the U.S. Mid-west because of their potential to increase soil organic matter and improve overall soil health. There is some concern however, that cover crops may negatively impact corn grain yield. This study was conducted to determine the effects that different cover crop mixtures have on soil health measurements and corn grain yield at increasing nitrogen rates. Cover crops were planted in the fall as a dominantly grass mixture, domina...

4. Can Kura Clover and Winter Rye Covers Mitigate Nitrate Leaching In Irrigated Sands?

Cover crops are gaining more popularity as a mitigation tool to prevent nitrate (NO3--N) leaching from the corn (Zea mays L.) and soybean [Glycine max (L.) merr.] fields of Minnesota. Leaching of NO3--N is not only a monetary loss for growers, but also results in groundwater contamination. Winter rye (Secale cereale), a commonly grown cover crop in Minnesota and kura clover (Trifolium ambiguum), a l...

5. CORN YIELD AND NITROGEN USE EFFICIENCY RESPONSE TO WHEAT COVER CROP AND SPLIT NITROGEN APPLICATION

Corn (Zea mays L.) grain is a major commodity crop in Illinois and its production largely relies on timely application of nitrogen (N) fertilizers. Currently, growers in Illinois and other neighboring states in the U.S. Midwest use the maximum return to N (MRTN) decision support system to predict corn N requirements. However, the current tool does not factor in implications of integrating cover crops into the rotation, which has recently gained attention among growers due to sev... R. Keshavarz-afshar, E. Jahanzad, M. Battaglia, Y. Luo, A. Sadeghpour, O. Adeyemi

Download paper

6. Precision planting impacts on winter cereal rye growth, nutrient uptake, spring soil temperature, and adoption cost

Growing winter cereal rye (Secale cereale) (WCR) has been identified as an effective in-field practice to reduce nitrate-N and phosphorus (P) losses to Upper Mississippi River Basin (UMRB), USA. In the Midwestern USA, growers are reluctant to plant WCR especially prior to corn (Zea mays L.) due to N immobilization and establishment issues. Precision planting of WCR or “Skipping the corn row” (STCR) can minimize some issues associated with WCR ahead of corn while ...