Investigation how to establishment Vetiver Grass with the approach of controlling Sediment yield and Run-off in Rangelands (Case Study: Vaz watershed)

Subject Areas : watershed

shabanali gholami ¹

1 - گروه منابع طبیعی - دانشگاه آزاد اسلامی واحد نور ‏ نور ایران

Received: 2017-06-05 Accepted : 2018-04-22 Published : 2018-08-23

Keywords: "Vetiver grass", "watershed of Gazna Sara", "Nour Town", "establishment of Vetiver Grass",

Abstract :

In the present study, Vetiver Grass has been planted on the slopes of Gazna Sara of watershed in Nour city of Mazandaran Province in two pilots and in the different slope and directions and on five lines (on countered lines) and in the watershed of each pilot. For taking care of plants, it was enclosure and during the summer, irrigation was performed three times. The results showed that Vetiver Grass in the pilot (1) absolutely have been deployed, but in the pilot (2) Vetiver Grass has been established in the first half of year but in the second half the plant was died due to frost in low temperature (-12C°). Therefore, the survival rate in the pilot (1) reached 90% and in the pilot (2) in the first half to 60 percent but in the second half was zero. Vetiver grass could bear the maximum and minimum temperatures (29 and -9 C°) as well as the maximum and minimum relative humidity (100 and 40%). And also it has shown consistent in soil with a PH =7.5 and EC = 794 Micro-seimenc. It's average shoot and root growth the plant in the pilot (1) in the first year was 41 and 52 cm, respectively and in the pilot (2) in the first six months was 26 and 32

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