| |
| DOI: | 10.4141/P97-151 |
|---|
| Web URL(s): | http://pubs.aic.ca/doi/pdfplus/10.4141/P97-151
Last checked: 10/01/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
|---|
| Publication Type:
| Refereed |
|---|
| Author(s): | Fairey, N. A.;
Lefkovitch, L. P. |
|---|
| Author Affiliation: | Fairey: Beaverlodge Research Farm, Agriculture and Agri-Food Canada, Beaverlodge, Alberta, Canada, IOH OCO; and Lefkovitch: Department of Biology, Carleton University, Ottawa, Ontario, Canada |
|---|
| Title: | Effects of method, rate and time of application of nitrogen fertilizer on seed production of tall fescue |
|---|
| Source: | Canadian Journal of Plant Science. Vol. 78, No. 3, July 1998, p. 453-458. |
|---|
| Publishing Information: | Ottawa: Agricultural Institute of Canada |
|---|
| # of Pages: | 6 |
|---|
| Keywords: | TIC Keywords: Nitrogen fertilizers; Nitrogen fertilization; Nitrogen; Fertilization; Application rates; Application timing; Application methods; Seed production; Festuca arundinacea; Seed yield; Seed quality; Soil injection; Broadcast treatment; Granular fertilizers; Ammonium nitrate; Dry weight; Seedheads; Tillers (vegetative); Seed weight; Germination; Seed purity; Comparisons
|
|---|
| Cultivar Names: | Mustang |
|---|
| Abstract/Contents: | The production of seed of tall fescue (Festuca arundinacea Schreber) provides an opportunity to diversify the agriculture of the Peace region with a new, un-subsidized, soil-conserving, cash-crop. Nitrogen fertility and nutrition are major components of the production of any grass-seed crop. A field study was conducted on the nitrogen (N) fertilizer requirements for optimizing seed yield and quality of tall fescue grown in the Peace region. Row-crop stands (30-cm spacing) were established at four sites in two consecutive seeding years (1993 and 1994), with two consecutive seed crops being harvested from each stand. A total of 18 N fertilizer treatments was applied to the first seed crop, a factorial combination of two methods (surface-broadcast, granular, ammonium nitrate 34-0-0, and soil-injected 28-0-0 solution), three times (early- to mid- September, early- to mid-October, and early- to mid-April prior to the first seed harvest), and three rates (50, 100, and 150 kg ha⁻¹, N). The second seed crop received 68 kg ha⁻¹ of surface-broadcast N applied in mid-Septmember after removal of the harvest crop residue. Seed yield and quality were not affected by the time of N application. When compared with broadcast applications, soil-injection of N fertilizer significantly reduced whole-plant dry matter (DM) yield and seed yield/seedhead by 7 and 9%, respectively, but the two methods of N application had no differential effect on clean seed yield ha⁻¹, fertile tiller density, harvest index thousand-seed wight, specific seed weight, germination, or on the proportion of clean seed. When compared with N at 50 kg ha⁻¹, whole-plant DM yield was increased by 6 and 8%, and clean seed yield/seedhead by 15 and 14%, with the 100 and 150 kgha⁻¹ rates of N, respectively. The first- and second-year seed yields averaged 1319 and 952 kg ha⁻¹, respectively, for the 1993 seeding year, and 1630 and 716 kg ja⁻¹, respectively, for the 1994 seeding year. The cumulative seed productivity over the 2 production years was similar for the two seeding years, being 2271 kgja⁻¹ for 1993 and 2346 kgha⁻¹ for 1994. Each seed crop of tall fescue requires an available N supply from the soil in the range of 100 to 150 kg ha⁻¹ N to maximize seed yield and quality. |
|---|
| Language: | English |
|---|
| References: | 14 |
|---|
| Note: | Graphs
Abstract also appears in French |
|---|
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Fairey, N. A., and L. P. Lefkovitch. 1998. Effects of method, rate and time of application of nitrogen fertilizer on seed production of tall fescue. Can. J. Plant Sci. 78(3):p. 453-458. |
| Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=68109 |
| If there are problems with this record, send us feedback about record 68109. |
| Choices for finding the above item: |
|---|
| DOI: 10.4141/P97-151 |
| Web URL(s):
http://pubs.aic.ca/doi/pdfplus/10.4141/P97-151
Last checked: 10/01/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: SB 1 .C3 |
| 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) |
