Radmard, Tahereh (2015) Effect of Livestock Treading and Urination on Soil Seed Bank Germination of Rangelands in Dareshahr. Masters thesis, University of Zabol.
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Abstract
Numerous factors such as firing, grazing livestock, plant community type, soil factors and so on affect seed bank soil. Livestock dung, soil, and soil crushing can affect soil seeds’ germination directly and indirectly. The aim of this study was to examine the effect of livestock urination and soil crushing on soil bank seeds germination in rangeland soil. This research was conducted in Darrehshahr township range lands in the southeast of Ilam province. The study was done in a complete random (CRD) form with three treatments and three replications. The treatments included soil bank seeds in the soil integrated with livestock urination, the crushing soil bank seed by livestock and the area free from livestock passing way was considered as control. The sampling from soil bank seed after grazing season and after plants seed growing plants in the September of 2014 was done in the random selection in two depths of 0 to 5 and 5 to 10 cms of soil. In each plot, the soil samples were done by an auger of 2 cms. Each soil complex sample was composed of 3 small samples. From each treatment, 30 soil samples were gained and were delivered to green house and were cultivated on sterilized sands. To ensure the existence of vain plants, from every 10 container one was assigned as the experimental. After cultivating in greenhouse the germinated seeds were numbered each 10 days and were deleted from samples. At the end, the number of seed germinated in square kilometer, intensity, type richness and variety of species were calculated by PAST software program. One way variance was used for comparing the intensity of germinated seeds, type richness and species variety. The LSD was used for comparing the means for 95 probability of certainty was used. The results indicated that the intensity of germinated seeds, type richness and variety in seed bank soil in various treatments were meaningfully different. The highest intensity of type richness and variety species were observed in the soil combined with livestock urination in the depth of surface (0 to 5 cm) and the lowest in the crushing soil by the livestock in the inner level (5 to 10 cm) was in the soil seeds bank.
| Item Type: | Thesis (Masters) |
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| Subjects: | S Agriculture > S Agriculture (General) |
| Depositing User: | admin admin1 admin2 |
| Date Deposited: | 23 May 2016 07:10 |
| Last Modified: | 23 May 2016 07:10 |
| URI: | http://eprints.uoz.ac.ir/id/eprint/633 |
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