Soil-forming effect of Grand fir (<I>Abies grandis</I> [Dougl. ex D. Don] Lindl.)
نویسندگان
چکیده
منابع مشابه
بررسی استقرار دو پروونانس از آبیس (Lindl (Douglas ex D. Don) Abies grandis) در جنگلهای شمال کشور(مطالعه موردی: پیسه سون اسالم و صفا رود رامسر)
چکیدهآبیس Grand fir) ) یکی از سوزنیبرگان مهم صنعتی و سریعالرشد میباشد که در اروپا به صورت کوتاه مدت مورد بهره برداری قرار می گیرد. در سال 1385بذر آبیس گرندیس شامل دو پروونانس پایین بند و میان بند از کشور آلمان وارد و در نهالستان پیسه سون اسالم در کرت ها (بستر زمینی)کشت گردید. در سال دوم نهال های تولید شده از بستر کاشت به گلدانهای پلاستیکی منتقل و بازکشت شدند. سالانه دو بار قطر یقه و ارتفاع ...
متن کاملPreventive effect of Dendrobium candidum Wall. ex Lindl. on activated carbon-induced constipation in mice
The aim of this study was to investigate the effects of Dendrobium candidum Wall. ex Lindl. (D. candidum) on activated carbon-induced constipation in ICR mice. ICR mice were orally administered D. candidum for 9 days. Body weight, defecation status, gastrointestinal (GI) transit and defecation times, in addition to the levels of motilin (MTL), gastrin (Gas), endothelin (ET), somatostatin (SS), ...
متن کاملSeasonal variation in photosynthetic capacity of montane conifers
1. The capacity to perform photosynthesis, given appropriate environmental conditions, is reflected by measurements of the maximum quantum yield of photosystem II ( F v / F m ). The seasonal course of F v / F m may help define the length of the annual photosynthetic period in temperate evergreen forests. 2. F v / F m was measured 31 times from September to May on six conifer species located alo...
متن کاملInvestigations on Hypolipidemic Activity of Asparagus Filicinus Buch- Ham Ex D. Don
Saponins are the foam producing secondary metabolites of plant. They have been evaluated for a number biological activities like anticancer, anti-inflammatory, hepatoprotective, antimicrobial, antitumor, blood cholesterol lowering properties etc. In the present study we have attempted to check the role of isolated saponins from Asparagus filicinus for its hypolipidemic activity. Saponin rich fr...
متن کاملPharmacognostic and phytochemical investigations on Pyrus pashia Buch.-Ham. ex D. Don stem bark
ABSTRACT Pyrus pashia Buch.-Ham. ex D. Don is a small to medium sized tree, one of the important member of Rose family (Rosaceae), commonly known as Indian Wild Pear and has been employed as herbal medicine especially in the treatment of digestive ailments. In pharmacognostic studies, various parameters viz. ash values, extractive values, foreign organic matter content, swelling index, foaming ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Forest Science
سال: 2009
ISSN: 1212-4834,1805-935X
DOI: 10.17221/50/2009-jfs