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The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil
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| Zeitschriftentitel: | Canadian Journal of Soil Science |
|---|---|
| Personen und Körperschaften: | |
| In: | Canadian Journal of Soil Science, 73, 1993, 4, S. 433-445 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Canadian Science Publishing
|
| Schlagwörter: |
| author_facet |
Maynard, D. G. Maynard, D. G. |
|---|---|
| author |
Maynard, D. G. |
| spellingShingle |
Maynard, D. G. Canadian Journal of Soil Science The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil Soil Science |
| author_sort |
maynard, d. g. |
| spelling |
Maynard, D. G. 0008-4271 1918-1841 Canadian Science Publishing Soil Science http://dx.doi.org/10.4141/cjss93-045 <jats:p> The effect of hexazinone (applied as Velpar L.) on carbon dioxide (CO<jats:sub>2</jats:sub>) evolution, nitrogen (N), phosphorus (P), and sulfur (S) mineralization in a surface organic layer (L–H horizons) of a forest soil was followed during a 150-d laboratory incubation. Hexazinone was applied at recommended field rates equivalent to 2 and 4 kg a.i. ha<jats:sup>−1</jats:sup> and at a higher rate, 8 kg a.i. ha<jats:sup>−1</jats:sup>. A bioassay determined that hexazinone at 4 and 8 kg a.i. ha<jats:sup>−1</jats:sup> affected the root and shoot biomass of oats for up to 63 d after application. Hexazinone had no effect on CO<jats:sub>2</jats:sub> evolution, ammonification, nitrification or net S mineralization in the L–H horizons. An increase in extractable P was found in the hexazinone-treated soils at the end of the incubation. Hexazinone applied at recommended field rates of 2 and 4 kg a.i. ha<jats:sup>−1</jats:sup> would have little direct impact on nutrient-cycling processes in the L–H horizons of mixed-wood cutovers. Key words: Hexazinone, carbon dioxide evolution, nitrogen, phosphorus, sulfur, forest soils </jats:p> The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil Canadian Journal of Soil Science |
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Canadian Science Publishing, 1993 |
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Canadian Science Publishing, 1993 |
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0008-4271 1918-1841 |
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1993 |
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Canadian Science Publishing |
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Canadian Journal of Soil Science |
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49 |
| title |
The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_unstemmed |
The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_full |
The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_fullStr |
The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_full_unstemmed |
The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_short |
The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_sort |
the influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| topic |
Soil Science |
| url |
http://dx.doi.org/10.4141/cjss93-045 |
| publishDate |
1993 |
| physical |
433-445 |
| description |
<jats:p> The effect of hexazinone (applied as Velpar L.) on carbon dioxide (CO<jats:sub>2</jats:sub>) evolution, nitrogen (N), phosphorus (P), and sulfur (S) mineralization in a surface organic layer (L–H horizons) of a forest soil was followed during a 150-d laboratory incubation. Hexazinone was applied at recommended field rates equivalent to 2 and 4 kg a.i. ha<jats:sup>−1</jats:sup> and at a higher rate, 8 kg a.i. ha<jats:sup>−1</jats:sup>. A bioassay determined that hexazinone at 4 and 8 kg a.i. ha<jats:sup>−1</jats:sup> affected the root and shoot biomass of oats for up to 63 d after application. Hexazinone had no effect on CO<jats:sub>2</jats:sub> evolution, ammonification, nitrification or net S mineralization in the L–H horizons. An increase in extractable P was found in the hexazinone-treated soils at the end of the incubation. Hexazinone applied at recommended field rates of 2 and 4 kg a.i. ha<jats:sup>−1</jats:sup> would have little direct impact on nutrient-cycling processes in the L–H horizons of mixed-wood cutovers. Key words: Hexazinone, carbon dioxide evolution, nitrogen, phosphorus, sulfur, forest soils </jats:p> |
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| author | Maynard, D. G. |
| author_facet | Maynard, D. G., Maynard, D. G. |
| author_sort | maynard, d. g. |
| container_issue | 4 |
| container_start_page | 433 |
| container_title | Canadian Journal of Soil Science |
| container_volume | 73 |
| description | <jats:p> The effect of hexazinone (applied as Velpar L.) on carbon dioxide (CO<jats:sub>2</jats:sub>) evolution, nitrogen (N), phosphorus (P), and sulfur (S) mineralization in a surface organic layer (L–H horizons) of a forest soil was followed during a 150-d laboratory incubation. Hexazinone was applied at recommended field rates equivalent to 2 and 4 kg a.i. ha<jats:sup>−1</jats:sup> and at a higher rate, 8 kg a.i. ha<jats:sup>−1</jats:sup>. A bioassay determined that hexazinone at 4 and 8 kg a.i. ha<jats:sup>−1</jats:sup> affected the root and shoot biomass of oats for up to 63 d after application. Hexazinone had no effect on CO<jats:sub>2</jats:sub> evolution, ammonification, nitrification or net S mineralization in the L–H horizons. An increase in extractable P was found in the hexazinone-treated soils at the end of the incubation. Hexazinone applied at recommended field rates of 2 and 4 kg a.i. ha<jats:sup>−1</jats:sup> would have little direct impact on nutrient-cycling processes in the L–H horizons of mixed-wood cutovers. Key words: Hexazinone, carbon dioxide evolution, nitrogen, phosphorus, sulfur, forest soils </jats:p> |
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| imprint_str_mv | Canadian Science Publishing, 1993 |
| institution | DE-Pl11, DE-Rs1, DE-14, DE-105, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Zi4, DE-Gla1, DE-15 |
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| series | Canadian Journal of Soil Science |
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| spelling | Maynard, D. G. 0008-4271 1918-1841 Canadian Science Publishing Soil Science http://dx.doi.org/10.4141/cjss93-045 <jats:p> The effect of hexazinone (applied as Velpar L.) on carbon dioxide (CO<jats:sub>2</jats:sub>) evolution, nitrogen (N), phosphorus (P), and sulfur (S) mineralization in a surface organic layer (L–H horizons) of a forest soil was followed during a 150-d laboratory incubation. Hexazinone was applied at recommended field rates equivalent to 2 and 4 kg a.i. ha<jats:sup>−1</jats:sup> and at a higher rate, 8 kg a.i. ha<jats:sup>−1</jats:sup>. A bioassay determined that hexazinone at 4 and 8 kg a.i. ha<jats:sup>−1</jats:sup> affected the root and shoot biomass of oats for up to 63 d after application. Hexazinone had no effect on CO<jats:sub>2</jats:sub> evolution, ammonification, nitrification or net S mineralization in the L–H horizons. An increase in extractable P was found in the hexazinone-treated soils at the end of the incubation. Hexazinone applied at recommended field rates of 2 and 4 kg a.i. ha<jats:sup>−1</jats:sup> would have little direct impact on nutrient-cycling processes in the L–H horizons of mixed-wood cutovers. Key words: Hexazinone, carbon dioxide evolution, nitrogen, phosphorus, sulfur, forest soils </jats:p> The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil Canadian Journal of Soil Science |
| spellingShingle | Maynard, D. G., Canadian Journal of Soil Science, The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil, Soil Science |
| title | The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_full | The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_fullStr | The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_full_unstemmed | The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_short | The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_sort | the influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| title_unstemmed | The influence of hexazinone on carbon dioxide evolution and mineralization of nitrogen, phosphorus and sulfur in a forest soil |
| topic | Soil Science |
| url | http://dx.doi.org/10.4141/cjss93-045 |