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Hopkins, B

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Stapley, S

Hopkins, B

Webb, B

Hopkins, B

Ellsworth, J

Barben, S

Nichols, B

Jolley, V

Hopkins, B

Stephens, S

Shiffler, A

Webb, B

Hopkins, B

Ellsworth, J

Jolley, V

Callahan, R

Hopkins, B

Taysom, T

Shiffler, A

Stephens, S

Hopkins, B

Buxton, E

Jolley, V

Christensen, R

Webb, B

Hopkins, B

LeMonte, J

Taysom, T

Jolley, V

Hopkins, B

Webb, B

Marcroft, K

Christenson, R

Jolley, V

Webb, B

Hopkins, B

Pletsch, M

Cook, D

Vickery, M

Jolley, V

Hopkins, B

Webb, B

Hill, M

Ransom, C

Hopkins, B

Ransom, C

Hopkins, B

leMonte, J

Summerhays, J

Jolley, V

Hopkins, B

Blair, T

Hill, M

Ransom, C

Hopkins, B

Ransom, C

Taysom, T

LeMonte, J

Hopkins, B

Sutton, L

Ransom, C

Blair, T

Moody, J

Manning, K

Bergsten, S

Carroll, A

Lindsey, C

Baker, J

Hopkins, B

Hansen, N

Blair, T

Ransom, C

Hosford, P

Svedin, J

Sutton, L

Winchester, A

Manning, K

Hopkins, T

Hopkins, B

Buss, J

Gish, J

Hopkins, B

Stark, J

Hopkins, B

Black, B

Neville, B

Ewell, C

Geary, B

Hopkins, B

Fernelius, K

Pryor, M

Hopkins, B

Fernelius, K

Madsen, M

Russell, K

Roundy, B

Hopkins, B

Ransom, C

Ruth, M

Blair, T

Sutton, L

Bradshaw, D

Campbell, K

Hopkins, B

Blair, T

Selman, J

Ransom, C

Hopkins, T

Hopkins, B

Svedin, J

Ransom, C

Buss, J

Blair, T

Campbell, C

Hansen, N

Hopkins, B

Evans, S

Campbell, E

Campbell, A

Rivera, L

Cobos, D

Hopkins, B

Hansen, N

Svedin, J

Hansen, N

Kerry, R

Christensen, R

Hopkins, B

Shipp, E

Hopkins, T

Hopkins, B

Russell, K

Hopkins, A

Hansen, N

Hopkins, B

Bartholomew, S

Hopkins, T

Hopkins, B

Carlock, E

Weigel, A

Searle, T

Hopkins, T

Williams, J

Hopkins, B

Fahning, S

Searle, T

Weigel, A

Buck, R

Hopkins, T

Hopkins, B

Fisher, J

Woolley, E

Svedin, J

Hopkins, B

Hopkins, A

Campbell, C

Hopkins, B

Hansen, N

Norris, A

Hopkins, B

Stapley, S

Buss, J

Hopkins, B

Valencia, M

Nelson, S

Hopkins, B

Woolley, R

Svedin, J

Woolley, E

Hopkins, B

Woolley, E

Searle, T

Hopkins, T

Williams, J

Hopkins, B

Cole, D

Woolley, R

Buck, R

Hopkins, B

Seely , C

Hopkins, B

Ioannou, J.D

Hopkins, B

Flint, E.A

Yost, M

Hopkins, B

Topics

Crop Nutrient Management

Environmental and Agricultural Nutrient Management

Type

Poster

Oral

Year

2021

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2023

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Authors

Filter results7 paper(s) found.
1. Minimizing Nitrogen Inputs While Optimizing Verdure and Growth of Kentucky Bluegrass with Polymer Coated Urea Nitrogen (N) fertilizer increases turfgrass verdure but also increases maintenance costs due primary to mowing. A two-year fertilization study was initiated April 2014 at two established Kentucky bluegrass sites with sand and loamy sand constructed field soils in Provo, UT. A grower’s standard practice (GSP) of urea split applied monthly was compared to blend of uncoated and polymer coated urea (PCU). The PCU was applied in 1, 2, or 3 split applications. The dual application applied at 50,... J. Buss, J. Gish, B. Hopkins Download paper
2. Nitrogen Nutrition Impact on Incidence of Rhizoctonia Infection of Agrostis Stolonifera Creeping bentgrass (Agrostis stolonifera L.) is tolerant of short mowing and high traffic, but these conditions increase pathogen susceptibility. A prevalent disease on bentgrass golf course greens and tee boxes is Brown Patch (Rhizoctoniasolani). One potential component of integrated pathogen management is correct nitrogen (N) fertilization. Bentgrass was grown in a chamber hydroponically at deficient, optimum, and excessive levels of N (2.5, 10, and 80 mM; equivalent to 6.9, 27.5, and 220... B. Hopkins, B. Black, B. Neville, C. Ewell, B. Geary Download paper
3. Summarization of 471 Field Comparisons of Avail® Phosphorus (P) is a commonly deficient essential nutrient required for crop production. Economic, environmental, and conservation issues have motivated significant efforts to enhance fertilizer efficiency. AVAIL® is a specialty fertilizer product with claims of enhancing P use efficiency to potentially increase crop yield and quality. There have been at least 471 field comparisons to evaluate the effectiveness of AVAIL with a wide variety of crops. The objective of this summarization... B. Hopkins, K. Fernelius, M. Pryor Download paper
4. Effects of Post-fire Soil Hydrophobicity on Inorganic Soil Nitrogen and Sulfur Cycling Fire plays an important role in many native ecosystems, and its suppression has increased woody encroachment across the globe. Restoring native herbaceous communities following fire in encroached systems is often challenging. Post-fire soil hydrophobicity is one factor that may further limit site restoration by limiting soil moisture, which may in turn affect soil nutrient dynamics. We conducted a field study in a burned pinion-juniper woodland to understand the effects of post- fire soil hydrophobicity... B. Hopkins, K. Fernelius, M. Madsen, K. Russell, B. Roundy Download paper
5. Comparing Nutrient Availability in Low Fertility Soils Using Ion Exchange Resin Capsules and Plant Bioavailability Under Greenhouse Conditions Commonly used soil resin analysis procedures have generally been developed to determine nutrient levels in agriculture soils. The purpose of the resin capsule procedure is to determine the amount of nutrient that correlates to that which is plant available. Desert soils contain lower levels of nutrients than agricultural soils, thus the validity of using resin capsules for desert soils is uncertain. In a previous incubation study it was determined that ion exchange resin capsules can be used as... B. Webb, B. Hopkins, M. Pletsch, D. Cook, M. Vickery, V. Jolley Download paper
6. Optical Sensing for Nitrogen Management Although nitrogen (N) nutrition is as or more important than other nutrients, it has been largely ignored by those applying variable rate fertilizer (VRF) due to its loss potential for VRF applications that occur many weeks prior to crop need. Applications of N are best applied as close to crop uptake as possible in order to avoid leaching, denitrification, and other losses. Spatial variability for crop N need is often considerable due to differences in yield potential and, to a lesser degree,... B. Hopkins, S. Stephens, A. Shiffler Download paper
7. A Single Nutrient Source Hydroponic Solution: pH Buffering MES (2-[N-morpholino]ethanesulfonic acid) is a biological buffer that can be used to stabilize pH in a hydroponic system. It can, however, be toxic to plants, including soybeans. Hydroponic systems are efficient for studying plant nutrition. It is often desirable to adjust individual nutrients for unique species’ needs and/or to create multiple nutrient deficiencies within the same study. However, this is challenging to do with traditional solutions as nutrients are generally... J.D. Ioannou, B. Hopkins Download paper

Filter results7 paper(s) found.

1. Minimizing Nitrogen Inputs While Optimizing Verdure and Growth of Kentucky Bluegrass with Polymer Coated Urea

Nitrogen (N) fertilizer increases turfgrass verdure but also increases maintenance costs due primary to mowing. A two-year fertilization study was initiated April 2014 at two established Kentucky bluegrass sites with sand and loamy sand constructed field soils in Provo, UT. A grower’s standard practice (GSP) of urea split applied monthly was compared to blend of uncoated and polymer coated urea (PCU). The PCU was applied in 1, 2, or 3 split applications. The dual application applied at 50,... J. Buss, J. Gish, B. Hopkins

Download paper

2. Nitrogen Nutrition Impact on Incidence of Rhizoctonia Infection of Agrostis Stolonifera

Creeping bentgrass (Agrostis stolonifera L.) is tolerant of short mowing and high traffic, but these conditions increase pathogen susceptibility. A prevalent disease on bentgrass golf course greens and tee boxes is Brown Patch (Rhizoctoniasolani). One potential component of integrated pathogen management is correct nitrogen (N) fertilization. Bentgrass was grown in a chamber hydroponically at deficient, optimum, and excessive levels of N (2.5, 10, and 80 mM; equivalent to 6.9, 27.5, and 220... B. Hopkins, B. Black, B. Neville, C. Ewell, B. Geary

Download paper

3. Summarization of 471 Field Comparisons of Avail®

Phosphorus (P) is a commonly deficient essential nutrient required for crop production. Economic, environmental, and conservation issues have motivated significant efforts to enhance fertilizer efficiency. AVAIL® is a specialty fertilizer product with claims of enhancing P use efficiency to potentially increase crop yield and quality. There have been at least 471 field comparisons to evaluate the effectiveness of AVAIL with a wide variety of crops. The objective of this summarization... B. Hopkins, K. Fernelius, M. Pryor

Download paper

4. Effects of Post-fire Soil Hydrophobicity on Inorganic Soil Nitrogen and Sulfur Cycling

Fire plays an important role in many native ecosystems, and its suppression has increased woody encroachment across the globe. Restoring native herbaceous communities following fire in encroached systems is often challenging. Post-fire soil hydrophobicity is one factor that may further limit site restoration by limiting soil moisture, which may in turn affect soil nutrient dynamics. We conducted a field study in a burned pinion-juniper woodland to understand the effects of post- fire soil hydrophobicity... B. Hopkins, K. Fernelius, M. Madsen, K. Russell, B. Roundy

Download paper

5. Comparing Nutrient Availability in Low Fertility Soils Using Ion Exchange Resin Capsules and Plant Bioavailability Under Greenhouse Conditions

Commonly used soil resin analysis procedures have generally been developed to determine nutrient levels in agriculture soils. The purpose of the resin capsule procedure is to determine the amount of nutrient that correlates to that which is plant available. Desert soils contain lower levels of nutrients than agricultural soils, thus the validity of using resin capsules for desert soils is uncertain. In a previous incubation study it was determined that ion exchange resin capsules can be used as... B. Webb, B. Hopkins, M. Pletsch, D. Cook, M. Vickery, V. Jolley

Download paper

6. Optical Sensing for Nitrogen Management

Although nitrogen (N) nutrition is as or more important than other nutrients, it has been largely ignored by those applying variable rate fertilizer (VRF) due to its loss potential for VRF applications that occur many weeks prior to crop need. Applications of N are best applied as close to crop uptake as possible in order to avoid leaching, denitrification, and other losses. Spatial variability for crop N need is often considerable due to differences in yield potential and, to a lesser degree,... B. Hopkins, S. Stephens, A. Shiffler

Download paper

7. A Single Nutrient Source Hydroponic Solution: pH Buffering

MES (2-[N-morpholino]ethanesulfonic acid) is a biological buffer that can be used to stabilize pH in a hydroponic system. It can, however, be toxic to plants, including soybeans. Hydroponic systems are efficient for studying plant nutrition. It is often desirable to adjust individual nutrients for unique species’ needs and/or to create multiple nutrient deficiencies within the same study. However, this is challenging to do with traditional solutions as nutrients are generally... J.D. Ioannou, B. Hopkins

Download paper