Proceedings :: Western Nutrient Management Conference

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Zerihun, D

Zabinski, C

Zakeri, H

Seely, C.J

Shimabuku, R

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Authors

Hopkins, B.G

Kobza, S.J

Seely, C.J

Deenik, J

Fukuda, S

Hamasaki, R

Shimabuku, R

Uchida, R

Jones, C

Miller, P

Tallman, S

Housman, M

Zabinski, C

Burgess, M

O'Dea, J

Bekkerman, A

Sanchez, C.A

Zerihun, D

Topics

Fertilizer Evaluations

General

Type

Poster

Oral

Year

2021

2007

2015

2023

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Filter results4 paper(s) found.
1. Enhanced Efficiency Phosphorus Fertilizers Phosphorus (P) is essential for plants. However, first-year phosphorus fertilizer uptake by plants is low, resulting in economic and environmental impacts. Developments with P Enhanced Efficiency Fertilizer (EEF) sources show improved uptake efficiency and increased yield and/or crop quality, while reducing environmental risk. Research with EEFs (including organic acids, maleic itaconic copolymer, and struvite) all show these improvements, especially when: 1) soil test P concentrations are low,... B. Hopkins, S.J. Kobza, C. Seely
2. Soil Testing to Improve Phosphorus Management on Intensive Vegetable Farms in Hawaii According to a recent survey of soil samples sent to the Agricultural Diagnostic Service Center (ADSC) at the University of Hawaii between October 2002 and September 2003, a majority of the samples showed soil test P (STP) levels in the high or excessive categories. Despite high soil test P, many farmers in Hawaii continue to apply P fertilizers. We began a project to evaluate soil P status on a range of vegetable farms throughout the state, to determine crop response to P fertilizers on soils... J. Deenik, S. Fukuda, R. Hamasaki, R. Shimabuku, R. Uchida Download paper
3. Cover Cropping in the Semi-arid West: Effects of Termination Timing, Species, and Mixtures on Nitrogen Uptake, Yield, Soil Quality, and Economic Return Summer fallow still dominates some areas of the northern Great Plains (NGP), providing an opportunity to grow a partial season cover crop for increased soil health or nutrient availability. Over 12 years of research on single species cover crops in semi-arid Montana have revealed the benefits of early termination and multiple cover crop cycles on N availability, subsequent crop yield, soil health, and economic return. Due to high N fixation, pea cover crops have fairly consistently increased subsequent... C. Jones, P. Miller, S. Tallman, M. Housman, C. Zabinski, M. Burgess, J. O'dea, A. Bekkerman Download paper
4. Optimizing Fertigation for High Value Crops In irrigated farming systems, soluble and mobile fertilizers, such as sources of nitrogen, are often applied to crops through fertigation. Fertigation presents both opportunities and challenges. Potential opportunities include better synchronization of nutrient availability with crop demand through the growing season and potential energy savings. Challenges include the need for additional investment on infrastructure for nutrient injection into the irrigation conveyance and distribution system,... C.A. Sanchez, D. Zerihun Download paper

Filter results4 paper(s) found.

1. Enhanced Efficiency Phosphorus Fertilizers

Phosphorus (P) is essential for plants. However, first-year phosphorus fertilizer uptake by plants is low, resulting in economic and environmental impacts. Developments with P Enhanced Efficiency Fertilizer (EEF) sources show improved uptake efficiency and increased yield and/or crop quality, while reducing environmental risk. Research with EEFs (including organic acids, maleic itaconic copolymer, and struvite) all show these improvements, especially when: 1) soil test P concentrations are low,... B. Hopkins, S.J. Kobza, C. Seely

2. Soil Testing to Improve Phosphorus Management on Intensive Vegetable Farms in Hawaii

According to a recent survey of soil samples sent to the Agricultural Diagnostic Service Center (ADSC) at the University of Hawaii between October 2002 and September 2003, a majority of the samples showed soil test P (STP) levels in the high or excessive categories. Despite high soil test P, many farmers in Hawaii continue to apply P fertilizers. We began a project to evaluate soil P status on a range of vegetable farms throughout the state, to determine crop response to P fertilizers on soils... J. Deenik, S. Fukuda, R. Hamasaki, R. Shimabuku, R. Uchida

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3. Cover Cropping in the Semi-arid West: Effects of Termination Timing, Species, and Mixtures on Nitrogen Uptake, Yield, Soil Quality, and Economic Return

Summer fallow still dominates some areas of the northern Great Plains (NGP), providing an opportunity to grow a partial season cover crop for increased soil health or nutrient availability. Over 12 years of research on single species cover crops in semi-arid Montana have revealed the benefits of early termination and multiple cover crop cycles on N availability, subsequent crop yield, soil health, and economic return. Due to high N fixation, pea cover crops have fairly consistently increased subsequent... C. Jones, P. Miller, S. Tallman, M. Housman, C. Zabinski, M. Burgess, J. O'dea, A. Bekkerman

Download paper

4. Optimizing Fertigation for High Value Crops

In irrigated farming systems, soluble and mobile fertilizers, such as sources of nitrogen, are often applied to crops through fertigation. Fertigation presents both opportunities and challenges. Potential opportunities include better synchronization of nutrient availability with crop demand through the growing season and potential energy savings. Challenges include the need for additional investment on infrastructure for nutrient injection into the irrigation conveyance and distribution system,... C.A. Sanchez, D. Zerihun

Download paper