Document Type : Research Paper
Authors
1 Scientific Board, Agricultural and Natural Resources Research and Education Center, Ghazvin, Iran
2 Employer, Department of Natural Resources and Watershed Protection, Alborz, Iran
3 Assistance Professor, Faculty of Range Management, Gorgan University of Agricultural Sciences and Natural Resources, Iran
Abstract
The goal of rangeland management is preservation, restoration, development and sustainable utilization of rangeland resources. In this study, species Bromus tomentellus is one important, species of site is the mountains of Qazvin’s Alamut has been studied. In order to do the research, first area equivalent to 0.5 acres was selected and through operations grazed has been enclosed in the first year of study. In above species, 40 stocks has been selected, that monthly in the season has been cut in up to; 25, 50, 75, by hush’s scissors. Also, for every 10 base has been applied to a control treatment. the end he effect of changes in the operating characteristics of phonological, Forage production, vitality, mortality and other characteristics has been studied of selected species. The results showed that increase of 75% in utilization and deterioration caused negative effects on the critical capabilities and Harvest limit of 50% with the lowest incidence of adverse effects on plant characteristics and capabilities were proper.
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