گزارش نهایی زیر طرح ملی آزمایش جنگلکاری با درختان چندمنظوره در حوزه های آبخیز و اراضی استان لرستان

Olive (olea europaea) is a enorgrean tree which is belonged 5 oleaceae family.Olive has been cultivated from ancient times in Middle east and around Mediterranea Sea. Background of olive cultivation goes back 5 mose than 1000 years in Isanwhich has been used as treatment and food. Olive presently takeverygood position in the inrernational Markets. The most important country in terms of olive trade and olive productions are spain, Iraly, French, Tunisia and Turkey. The most noticeable olive species can be divided to two Qroups in Iran: L. native species 2.non-native species. The natives species are included: yellow, Roghani mahali , Marl ,shenge , Fayshami , Dezfuli ,Gorgan , Rashid, Shiraz And non-native species are include: spain, Greek, French and Italy. Olive often fruclify in any sort of soils but the best type of soil for olive cultivation is sonoly soil, sandy clay the best PH range for growing olive is 7 to 8. There is presently special altention 5 olive cultivation in Iran. Considering that there are some research sires in west of Iran Lorestan. Since 2000 one research rregording toadaptation of 10 differents species olive have been started at case study of kamalvand district in khorramabad (Lorestan) the said samples are included: Konservalia , Roghani rodbar , Gorgan A , Gorgan B , Mishen , Roghani mahali , Roghani gorgan , Amfisis , Zard and Shenge these species were cultivated in four repeatation, there were 20 samples 5x5 distance in any square. According to statistics inrestigation and data analysis (spss version 11.5) during 5 years research following results brought out from the research. I.species wich the highest and least ability of existence are as following:cultvars Shengeh , Zard , Amfisis and Gorgan B highst existence abHity and cultvars Konservalia and Roghani mahali least existence 2.The best and worst samples in rerns of highst and diameter growing ability: The best samples the worst samples. 3.yellow , oily Rodboar , Gorgan A and Konservalia species are the best sample in terms of collar diameter growing but Gorgan B is the worst sample in this respect. 4. Cultvars Konservalia and Mishen The following samples shows the highst and Gorgan B and oily mahali least fructify ability. Key words: existenc , ability,adaptation, diameter, fructify, khoram Abad.