| |
| DOI: | 10.2136/sssaj2005.0248 |
|---|
| Web URL(s): | https://acsess.onlinelibrary.wiley.com/doi/10.2136/sssaj2005.0248
Last checked: 02/28/2024
Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2136/sssaj2005.0248
Last checked: 02/28/2024
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
|---|
| Publication Type:
| Refereed |
|---|
| Author(s): | Nelson, M. A.;
Griffith, S. M.;
Steiner, J. J. |
|---|
| Author Affiliation: | United States Department of Agriculture - Agricultural Research Service, National Forage Seed Production Research Center, Corvallis, Oregon |
|---|
| Title: | Tillage effects on nitrogen dynamics and grass seed crop production in western Oregon, USA |
|---|
| Section: | Soil & water management & conservation
Other records with the "Soil & water management & conservation" Section
|
|---|
| Source: | Soil Science Society of America Journal. Vol. 70, No. 3, May/June 2006, p. 825-831. |
|---|
| Publishing Information: | Madison, WI: Soil Science Society of America |
|---|
| # of Pages: | 7 |
|---|
| Keywords: | TIC Keywords: Nitrogen; Nitrogen fertility; Soil fertility; Tillage; Festuca arundinacea; Fine fescues; Seed yield; Nitrogen uptake; Mineralization; Seed production
|
|---|
| Geographic Terms: | Western Oregon |
|---|
| Abstract/Contents: | "Understanding N soil fertility in grass seed crops will lead to improved fertilizer practices and preserve water quality in Willamette Valley, Oregon. This study determined the effects of conventional tillage (CT) and no tillage (NT) on N dynamics and grass seed crop growth and seed yield on moderately well-drained (MWD) and a well-drained (WD) soils either in tall fescue (Festuca arundinacea Schreb.) or fine fescue (F. rubra L.) production. Temporal changes in soil N, N mineralization and immobilization, crop N uptake and biomass accumulation, and microbial biomass C (MBC) were determined. Net N mineralization was determined using the in situ buried bag method and MBC by fumigation extraction. Tillage treatment had no effect on fine fescue and tall fescue seed yield during the 3 yr of production. Soil MBC, under NT, was 20 to 30% higher (P = 0.05), regardless of soil drainage class or time of year, compared to the CT soil. Soils at the WD site had twice the amount of MBC compared to MWD. Crop N uptake was lowest in the fall and highest when soil N was elevated in the spring. Tillage enhanced annual total net N mineralization at the better-drained site (WD) resulting in more potential soil NO3 to be leached the following winter high precipitation months when the crop's demand for N is low. This was especially true for fallow years when an actively growing crop was lacking. Net N mineralization was little affected by tillage in the more poorly drained soil." |
|---|
| Language: | English |
|---|
| References: | 32 |
|---|
| Note: | Tables |
|---|
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Nelson, M. A., S. M. Griffith, and J. J. Steiner. 2006. Tillage effects on nitrogen dynamics and grass seed crop production in western Oregon, USA. Soil Sci. Soc. Am. J. 70(3):p. 825-831. |
| Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=111607 |
| If there are problems with this record, send us feedback about record 111607. |
| Choices for finding the above item: |
|---|
| DOI: 10.2136/sssaj2005.0248 |
| Web URL(s):
https://acsess.onlinelibrary.wiley.com/doi/10.2136/sssaj2005.0248
Last checked: 02/28/2024
Access conditions: Item is within a limited-access website
https://acsess.onlinelibrary.wiley.com/doi/epdf/10.2136/sssaj2005.0248
Last checked: 02/28/2024
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: S 590 .S65 |
| Find from within TIC:
Digitally in TIC by record number. |
| Request through your local library's inter-library loan service (bring or send a copy of this TGIF record) |
