Comparison of growth and wood production of Populus deltoides and Paulownia fortunei in Guilan province (Iran)
نویسندگان
چکیده
منابع مشابه
Technological Properties of Iranian Cultivated Paulownia Wood (paulownia Fortunei)
P. fortunei was imported into Iran from China and was planted at different spacings in the forest of the north of Iran, for wood production. In this research, physical, chemical, mechanical properties and morphological characteristics of Iranian cultivated paulownia (Paulownia fortunei L.) wood were investigated. Paulownia has acceptable Runkel, flexibility and slenderness coefficients, which a...
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testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
morphology, geochemistry, mineralogy, and micromorphology of soils of hormozgan province in relation to parent materials
ویژگی های زمین شیمیایی، کانی شناسی، و میکرومورفولوژیکی خاک ها و سنگ مادر مربوطه در منطقه بین بخش های جنوبی زاگرس و خلیج فارس تا دریای عمان(استان هرمزگان، ایران) مورد بررسی قرار گرفت. هدف های این مطالعه شناسایی تغییرات در خصوصیات فیزیکی، شیمیایی، و ترکیب کانی شناسی خاک، مطالعه میکرومورفولوژی و تکامل خاک، و بررسی توزیع عنصر خاک بر اساس هوازدگی، پروسه های خاک و زمین شناسی جهت توصیف اثرات مواد مادر...
15 صفحه اولrole of cultural iran in promotion of multilaieralism in central asia and caucasus
cultural iran is a scope that is more extended than the political territories of iran as a political unit. this concept means that cultural geography(mehdi moghanlo-1383-1) of iran is greater than its political geography which, according to history, has a long history extending west-east from kandahar to the euphrates and north-south from the persian gulf to the caucasus including transoxiana a...
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ژورنال
عنوان ژورنال: Indian Journal of Science and Technology
سال: 2013
ISSN: 0974-6846,0974-5645
DOI: 10.17485/ijst/2013/v6i2.14