نتایج جستجو برای: and some soil properties including organic carbon

تعداد نتایج: 17174113  

Journal: :caspian journal of environmental sciences 2005
s. chandra h.c. joshi h. pathak

irrigation with distillery effluent, besides influencing crop yield, may have considerable impact on physical properties of soil because of its high salt and organic carbon contents. this experimental study was conducted to evaluate the effect of distillery effluent on hydraulic conductivity of a sandy loam alluvial soil and compare the effect of inorganic salts of potassium (k) with that of di...

2010
Shuhua Yi A. David McGuire Eric Kasischke Jennifer Harden Kristen Manies Michelle Mack Merritt Turetsky

[1] Ecosystem models have not comprehensively considered how interactions among fire disturbance, soil environmental conditions, and biogeochemical processes affect ecosystem dynamics in boreal forest ecosystems. In this study, we implemented a dynamic organic soil structure in the Terrestrial Ecosystem Model (DOS‐TEM) to investigate the effects of fire on soil temperature, moisture, and ecosys...

Determination and recognition of relative distribution of chemical forms of each element and their relationship with physical, chemical and soil clay minerals can help researchers to manage soil fertility better. This research attempted to recognize chemical fractions of zinc (Zn) and copper (Cu) in some surface and subsurface soil samples of Kohgiluyeh and Boyer-Ahmad province and their relati...

ژورنال: مرتع 2023
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Cyanobacteria play an important role in increasing soil fertility as one of the biological soil crust in rangelands. They have a significant effect on improving soil fertility because of nitrogen and carbon fixation. In this study, the effect of different concentrations of cyanobacteria as one of the soil biomasses and finally to determine the best concentration for optimizing soil fertility in...

Journal: :مرتع و آبخیزداری 0
حسین بشری استادیار دانشکدة منابع طبیعی، دانشگاه صنعتی اصفهان مصطفی ترکش اصفهانی استادیار دانشکدة منابع طبیعی، دانشگاه صنعتی اصفهان طیبه شاه آبادی کارشناس ارشد بیابان‏زدایی، دانشکدة منابع طبیعی، دانشگاه صنعتی اصفهان محمدرضا مصدقی دانشیار گروه خاک‏شناسی، دانشکدة کشاورزی، دانشگاه صنعتی اصفهان

abstract this study aimed to investigate the effects of urban wastewater on some soil physical and chemical properties in segzi, east isfahan. six sites were selected considering the planted species (haloxylon persicum and nitraria schoberi) and irrigation types (control or no irrigation, water logged and furrow irrigation methods). the 4 to 12 replications were chosen in each site depending on...

Journal: :ecopersia 0
reza erfanzadeh associate professor, department of rangeland management, faculty of natural resources, tarbiat modares university, noor, iran behnam bahrami msc. student, department of rangeland management, faculty of natural resources, tarbiat modares university, noor, iran javad motamedi assistant professor, department of rangeland management, faculty of natural resources and agriculture, urmia university, urmia, iran ghasem ali dianati tilaki associate professor, department of rangeland management, faculty of natural resources, tarbiat modares university, noor, iran mehdi abedi assistant professor, department of rangeland management, faculty of natural resources, tarbiat modares university, noor, iran

the effects of dominant shrub species on soil organic matter (som), including total soil carbon (sc), total nitrogen (n) and particulate organic matter (pom) were studied in three stands differing in the type of shrub species, i.e. astragalus microcephalus (shrub), pteropyrum aucheri (shrub) and prangus uloptera (non-shrub).the stands were located in arid grasslands of north-western iran. for t...

Journal: :مرتع و آبخیزداری 0
محمد جعفری استاد، دانشکده منابع طبیعی، دانشگاه تهران، حسین آذرنیوند استاد، دانشکده منابع طبیعی، دانشگاه تهران احمد صادقی پور استادیار، دانشکده کویرشناسی، دانشگاه سمنان نادیا کمالی پور دکتری مرتعداری، دانشکده منابع طبیعی، دانشگاه تهران احمد حیدری دانشیار، دانشکده مهندسی و فناوری کشاورزی، دانشگاه تهران حسن مداح عارفی دانشیار، مؤسسه تحقیقات جنگل ها و مراتع

global warming and climate change have drawn special attention to soil and its potential for stable carbon sequestration. soils are the largest stores of carbon in terrestrial carbon cycle and contain about three times more carbon than vegetation cover and two times more than that of atmosphere. studying the effects of grazing on soil carbon storage is important because of the major role soil o...

B. Moganane F. Pule-Meulenberg, O. Dikinya

field study was conducted at five villages of Botswana namely, Tsabong, Tshane, Mathathane, Motlhabaneng and Tsetsejwe during the periods of June to August 1999 and June to August 2000. The objective of the study was to assess and compare the soil physicochemical properties of soils at the five villages and to study the effect of cultivation on some soil physical properties. Parameters measured...

2013
Jixin Cao Xiaoping Wang Xiangyang Sun Lin Zhang Yun Tian

Grazing can cause changes in soil carbon (C) level. This study aimed to elucidate the response of soil labile organic carbon (SLOC) under four different grazing intensities: non grazing (NG), 0 sheep·ha(-1); light grazing (LG), 0.91 sheep·ha(-1); moderate grazing (MG), 1.82 sheep·ha(-1), and heavy grazing (HG), 2.73 sheep·ha(-1). Results showed that there was no significant difference in total ...

Kazem Nosrati, Saeede Jalali

The main objective of this study was to investigate the effect of forest road construction on the Soil Organic Carbon Stock (SOCS) in Ziarat Catchment. Therefore, soil samples were collected from five land use types including road construction, cultivated area, channel bank, pasture and forest land and soil organic carbon concentration and bulk density were measured in the samples and SOCS were...

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