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Hill, M

Horwath, W.R

Hoheisel, G.A

Huggins, D.R

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Authors

Davenport, J.R

Hoheisel, G.A

DeVetter, L.W

Davis, A.G

Huggins, D.R

Reganold, J.P

Hopkins, B

Blair, T

Hill, M

Ransom, C

Coyotl, A

Murch, J

Khalsa, S.S

Horwath, W.R

Topics

Nutrient Management of Horticultural Crops

Organic Amendments, Cover Crops, and Soil Health

Nutrient Cycling in Regenerative Agriculture

Type

Oral

Poster

Year

2021

2013

2023

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Filter results4 paper(s) found.
1. Does Post-harvest Nitrogen Application Affect Blueberry Yield or Cold Hardiness? In central Washington, nitrogen (N) management in blueberries typically consists of all N being applied prior to harvest. For early cultivars, such as Duke, this means all fertilizer is applied before the end of June, leaving a long period of growth with no supplemental N. To evaluate the potential for splitting N fertilizer applications into pre- and post-harvest timings, we conducted an experiment in a randomized complete block design with four replicates on a commercial ‘Duke’... J.R. Davenport, G.A. Hoheisel, L.W. Devetter Download paper
2. Soil Health and Ecological Resilience on the Palouse Healthy soil is critical for global food security and other essential ecosystem services but is threatened by processes of soil degradation, with at least 33% of global croplands estimated to be moderately or highly degraded. Current soil health assessments provide insight into soil functional performance but often lack diagnostic criteria that assess management effects on soil function over time. We integrate soil health assessments with ecological resilience theory to better understand management... A.G. Davis, D.R. Huggins, J.P. Reganold
3. Phosphorus and Organic Acid Bonding Enhances Uptake Efficiency in Crop Plants Phosphorus (P) fertilizer is essential for crop production, but reductions are warranted to conserve resources and minimize environmental impacts. Several lab, glasshouse, growth chamber, and field studies have been performed over the past five years with a new P fertilizer (Carbond P; CBP; Land View Fertilizer, Rupert, ID, USA) in calcareous, low OM soil. This presentation will be a review of that data. Studies comparing CBP to ammonium polyphosphate (APP) applied to soil show season-long increases... B. Hopkins, T. Blair, M. Hill, C. Ransom Download paper
4. Soil Greenhouse Gas Dynamics in Response to Dairy Manure Compost in an Almond Orchard Application of dairy manure compost in soils under almond production may confer benefits such as increased carbon sequestration, improved crop nutrient use efficiency, and reduction of greenhouse gas emissions. Elucidating the mechanisms of greenhouse gas emissions and mitigation is a primary concern in the management of agricultural soils and it is directly linked to nutrient management. Presently, agricultural soils account for 11.2% of U.S. greenhouse gas emissions. Of particular concern is... A. Coyotl, J. Murch, S.S. Khalsa, W.R. Horwath Download paper

Filter results4 paper(s) found.

1. Does Post-harvest Nitrogen Application Affect Blueberry Yield or Cold Hardiness?

In central Washington, nitrogen (N) management in blueberries typically consists of all N being applied prior to harvest. For early cultivars, such as Duke, this means all fertilizer is applied before the end of June, leaving a long period of growth with no supplemental N. To evaluate the potential for splitting N fertilizer applications into pre- and post-harvest timings, we conducted an experiment in a randomized complete block design with four replicates on a commercial ‘Duke’... J.R. Davenport, G.A. Hoheisel, L.W. Devetter

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2. Soil Health and Ecological Resilience on the Palouse

Healthy soil is critical for global food security and other essential ecosystem services but is threatened by processes of soil degradation, with at least 33% of global croplands estimated to be moderately or highly degraded. Current soil health assessments provide insight into soil functional performance but often lack diagnostic criteria that assess management effects on soil function over time. We integrate soil health assessments with ecological resilience theory to better understand management... A.G. Davis, D.R. Huggins, J.P. Reganold

3. Phosphorus and Organic Acid Bonding Enhances Uptake Efficiency in Crop Plants

Phosphorus (P) fertilizer is essential for crop production, but reductions are warranted to conserve resources and minimize environmental impacts. Several lab, glasshouse, growth chamber, and field studies have been performed over the past five years with a new P fertilizer (Carbond P; CBP; Land View Fertilizer, Rupert, ID, USA) in calcareous, low OM soil. This presentation will be a review of that data. Studies comparing CBP to ammonium polyphosphate (APP) applied to soil show season-long increases... B. Hopkins, T. Blair, M. Hill, C. Ransom

Download paper

4. Soil Greenhouse Gas Dynamics in Response to Dairy Manure Compost in an Almond Orchard

Application of dairy manure compost in soils under almond production may confer benefits such as increased carbon sequestration, improved crop nutrient use efficiency, and reduction of greenhouse gas emissions. Elucidating the mechanisms of greenhouse gas emissions and mitigation is a primary concern in the management of agricultural soils and it is directly linked to nutrient management. Presently, agricultural soils account for 11.2% of U.S. greenhouse gas emissions. Of particular concern is... A. Coyotl, J. Murch, S.S. Khalsa, W.R. Horwath

Download paper