نتایج جستجو برای: chaharmahal va bakhtiari province fcc method riquer index soil taxonomy and wrb
تعداد نتایج: 17138718 فیلتر نتایج به سال:
Assessment of soil quality helps to make a balance between soil function and soil resources, improving soil quality and achieving the sustainable agriculture. For the quantitative evaluation of soil quality in the Shahrekord plain, Chaharmahal va Bakhtiari province, 106 compound surficial soil samples (0-25 cm) were collected. After the pre-treatments of soil samples, 11 physico-chemical soil c...
background & aim: chaharmahal va bakhtiari province contains several major floristic plant associations of central zagros mountains. kallar species were used for medicines nutrias in this area. however, these valuable species have been threatened and even become at risk of extinction due to habitat fragmentation and disturbance. therefore, the first step in protecting theses species is iden...
Drought, as one of the most complicated natural events, causes many direct and indirect damages each year. Hence, single variable identification and monitoring of drought may not be appropriate enough for decision-making and management. In this study, in order to monitor the meteorological-agricultural drought in Chaharmahal and Bakhtiari province, Multivariate Standardized Drought Index (MSDI)...
abstract the quality of soil maps depends upon their ability to show the soils variability. thus, the accuracy of the maps used for crop recommendations is due to the accuracy of soil maps. this study was performed to investigate the amount of soil properties and crop yield spatial variability in s 2 and s3 units of a semi-detailed quantitative suitability map (1:50000 scale) for irrigated whea...
During collecting information regarding “kilims” in Chaharmahal-va-Bakhtiari province, it was understood that whatever we recognize under the general term of “Khorjin” can be divided into three categories: small, normal and big ones as described below. (1) Small Khorjins (50×25 cm) which are weaved in both parts of province, i.e. Chaharmahal & also Bakhtiari. They ...
this study was conducted to investigate the spatial variability of model parameters of soil shrinkage curve in cherlgerd district, chaharmahal-va-bakhtiari province. ninety nine locations were selected and soil clods were collected from the 0-10 cm layer and brought to the laboratory. soil shrinkage curve was measured, according to archimedes's principle, by covering the undisturbed clods ...
this report presents a new record of iranolacerta brandtii brandtii from 30 km south of tekab city, west azarbaijan province and 130 km south of the previously known distribution range of the subspecies; a new record of iranolacerta zagrosica in kaljonun mountain peak, lorestan province, about 70 km northwest of the type locality; a new record of apathya cappadocica urmiana in the manesht prote...
درک الگوی توزیع مکانی ماکروفون خاک بدلیل اثرات آن روی فرآیندهای اکوسیستم بسیار مهم است. لیکن اطلاعات کمی در این خصوص وجود دارد. درمورد تنوع زیستی ارگانیسم ها وجانداران خاکزی که ازاجزای مهم وکلیدی درهرسیستم اکولوژیکی هستند و در بهبود حاصلخیزی خاک و تولیدات زمین وپایداری اکوسیستم ها(ازطریق فرآیندهای بیولوژیک)نقش عمده دارند تحقیقات کمی انجام شده است. این تحقیق جهت بررسی الگوی مکانی پارامترهای تنوع...
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