EFFECTS OF GLYPHOSATE AND NEEM SEED CAKE ADDITION ON MICROBIAL RESPIRATION AND UREASE ACTIVITY IN AN ULTISOL
Application of organic amendments to soils could enhance microbial activity and reduce the inhibitory effect of herbicide. A laboratory incubation study was carried out to determine the effects of herbicide, (Force-Up with active ingredient of 480g l-1 Glyphosate- Isopropylamine salt) and neem seed...
Saved in:
| Main Authors: | , , |
|---|---|
| 格式: | Online |
| 語言: | 英语 |
| 出版: |
The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.
2020
|
| 主題: | |
| 在線閱讀: | https://ija.oauife.edu.ng/index.php/ija/article/view/202 |
| 標簽: |
添加標簽
沒有標簽, 成為第一個標記此記錄!
|
| _version_ | 1810820045787365376 |
|---|---|
| author | ATERE , C. T. SANGOTOYE , E. S. OLAWALE , B. O. |
| author_facet | ATERE , C. T. SANGOTOYE , E. S. OLAWALE , B. O. |
| author_sort | ATERE , C. T. |
| collection | OJS |
| description | Application of organic amendments to soils could enhance microbial activity and reduce the inhibitory effect of herbicide. A laboratory incubation study was carried out to determine the effects of herbicide, (Force-Up with active ingredient of 480g l-1 Glyphosate- Isopropylamine salt) and neem seed cake (NSC) on soil microbial respiration and urease activity. Surface soil sample (0-15 cm) of Iwo Soil Series (Ultisol) was amended with neem seed cake (NSC) at the rates of 0, 2.5 and 5.0 t ha-1, respectively, and glyphosate herbicide was applied at the rates of 0 and 2.16 mg glyphosate/kg soil. There were six treatments replicated three times and arranged in a completely randomized design (CRD). The soil microbial respiration, assay of urease and pH were determined weekly starting from the 2nd week of incubation for a period of six weeeks. The results showed that the application of NSC solely or in combination with glyphosate significantly (p<0.05) increased soil microbial respiration, with 5 t ha-1 leading to at least, 19 and 83% increases over the treatments with 2.5 and 0 t ha-1, respectively. While application of herbicide is mostly inhibitory, the NSC at the rates of 2.5 and 5 t ha-1 without herbicide was better at enhancing soil urease activity. Further, NSC application improved soil pH, with higher performance at the earlier weeks of the incubation study. It was concluded that NSC application can reduce the inhibitory effect of herbicide on soil microbial activity, with the application rate of 5.0 t ha-1 best at enhancing soil microbial respiration and urease activity. |
| format | Online |
| id | oai:ojs2.ija.oauife.edu.ng:article-202 |
| institution | My University |
| language | eng |
| publishDate | 2020 |
| publisher | The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria. |
| record_format | ojs |
| spelling | oai:ojs2.ija.oauife.edu.ng:article-2022020-04-25T07:21:37Z EFFECTS OF GLYPHOSATE AND NEEM SEED CAKE ADDITION ON MICROBIAL RESPIRATION AND UREASE ACTIVITY IN AN ULTISOL ATERE , C. T. SANGOTOYE , E. S. OLAWALE , B. O. amendment, neem seed cake, glyphosate, urease, microbial respiration Application of organic amendments to soils could enhance microbial activity and reduce the inhibitory effect of herbicide. A laboratory incubation study was carried out to determine the effects of herbicide, (Force-Up with active ingredient of 480g l-1 Glyphosate- Isopropylamine salt) and neem seed cake (NSC) on soil microbial respiration and urease activity. Surface soil sample (0-15 cm) of Iwo Soil Series (Ultisol) was amended with neem seed cake (NSC) at the rates of 0, 2.5 and 5.0 t ha-1, respectively, and glyphosate herbicide was applied at the rates of 0 and 2.16 mg glyphosate/kg soil. There were six treatments replicated three times and arranged in a completely randomized design (CRD). The soil microbial respiration, assay of urease and pH were determined weekly starting from the 2nd week of incubation for a period of six weeeks. The results showed that the application of NSC solely or in combination with glyphosate significantly (p<0.05) increased soil microbial respiration, with 5 t ha-1 leading to at least, 19 and 83% increases over the treatments with 2.5 and 0 t ha-1, respectively. While application of herbicide is mostly inhibitory, the NSC at the rates of 2.5 and 5 t ha-1 without herbicide was better at enhancing soil urease activity. Further, NSC application improved soil pH, with higher performance at the earlier weeks of the incubation study. It was concluded that NSC application can reduce the inhibitory effect of herbicide on soil microbial activity, with the application rate of 5.0 t ha-1 best at enhancing soil microbial respiration and urease activity. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria. 2020-04-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article application/pdf https://ija.oauife.edu.ng/index.php/ija/article/view/202 Ife Journal of Agriculture; Vol. 32 No. 1 (2020): Ife Journal of Agriculture; 21-32 0331-6351 eng https://ija.oauife.edu.ng/index.php/ija/article/view/202/113 Copyright (c) 2020 Ife Journal of Agriculture |
| spellingShingle | amendment, neem seed cake, glyphosate, urease, microbial respiration ATERE , C. T. SANGOTOYE , E. S. OLAWALE , B. O. EFFECTS OF GLYPHOSATE AND NEEM SEED CAKE ADDITION ON MICROBIAL RESPIRATION AND UREASE ACTIVITY IN AN ULTISOL |
| title | EFFECTS OF GLYPHOSATE AND NEEM SEED CAKE ADDITION ON MICROBIAL RESPIRATION AND UREASE ACTIVITY IN AN ULTISOL |
| title_full | EFFECTS OF GLYPHOSATE AND NEEM SEED CAKE ADDITION ON MICROBIAL RESPIRATION AND UREASE ACTIVITY IN AN ULTISOL |
| title_fullStr | EFFECTS OF GLYPHOSATE AND NEEM SEED CAKE ADDITION ON MICROBIAL RESPIRATION AND UREASE ACTIVITY IN AN ULTISOL |
| title_full_unstemmed | EFFECTS OF GLYPHOSATE AND NEEM SEED CAKE ADDITION ON MICROBIAL RESPIRATION AND UREASE ACTIVITY IN AN ULTISOL |
| title_short | EFFECTS OF GLYPHOSATE AND NEEM SEED CAKE ADDITION ON MICROBIAL RESPIRATION AND UREASE ACTIVITY IN AN ULTISOL |
| title_sort | effects of glyphosate and neem seed cake addition on microbial respiration and urease activity in an ultisol |
| topic | amendment, neem seed cake, glyphosate, urease, microbial respiration |
| topic_facet | amendment, neem seed cake, glyphosate, urease, microbial respiration |
| url | https://ija.oauife.edu.ng/index.php/ija/article/view/202 |
| work_keys_str_mv | AT aterect effectsofglyphosateandneemseedcakeadditiononmicrobialrespirationandureaseactivityinanultisol AT sangotoyees effectsofglyphosateandneemseedcakeadditiononmicrobialrespirationandureaseactivityinanultisol AT olawalebo effectsofglyphosateandneemseedcakeadditiononmicrobialrespirationandureaseactivityinanultisol |