نتایج جستجو برای: soil profiles

تعداد نتایج: 330878  

Journal: :Applied and environmental microbiology 2011
Marketa Sagova-Mareckova Marek Omelka Ladislav Cermak Zdenek Kamenik Jana Olsovska Evelyn Hackl Jan Kopecky Franz Hadacek

Plant and microbial community composition in connection with soil chemistry determines soil nutrient cycling. The study aimed at demonstrating links between plant and microbial communities and soil chemistry occurring among and within four sites: two pine forests with contrasting soil pH and two grasslands of dissimilar soil chemistry and vegetation. Soil was characterized by C and N content, p...

2012
Ronald Amundson Jaime D. Barnes Stephanie Ewing Arjun Heimsath Guillermo Chong

Halite (NaCl) and gypsum or anhydrite (CaSO4) are water-soluble minerals found in soils of the driest regions of Earth, and only modest attention has been given to the hydrological processes that distribute these salts vertically in soil profiles. The two most notable chloride and sulfate-rich deserts on earth are the Dry Valleys of Antarctica and the Atacama Desert of Chile. While each is hype...

2015
S. A. Materechera

Urban and peri-urban agriculture is becoming increasingly important as a source of income and food for the urban population in South Africa. This study was prompted by concerns of city authorities that soil compaction in horticultural fields that used conventional tillage practices with tractors was, not only limiting the performance of fruit and vegetable crops, but also affecting the quality ...

Khadijeh Mahdavi, Maedeh Yousefian Mohammad Mahdavi, Reza Tamartash

Livestock grazing is one of the most important kinds of land usage that has a high potential to decrease or increase carbon storage in rangeland ecosystem. This research was investigated the effects of enclosure on soil carbon storage in a rangeland with dominant plants of Artemisia aucheri. Hence, two rangelands of enclosure (Shahtappeh-Chah Mahmood) and no enclosure (Chiro) were chosen in Sem...

ژورنال: علوم آب و خاک 2009
اسفندیار پور بروجنی, عیسی, تومانیان, نورایر, صالحی, محمدحسن , محمدی, جهانگرد,

Geopedology is a systematic approach of geomorphic analysis for soil mapping that construct field operation mainly upon the work in sample area. The main goal of this research is to determine the effect of location of sample area and expert knowledge on credibility of generalization of the results obtained from geopedological approach for similar landforms in south-east of Borujen area. Upon pr...

One of the most suitable and efficient solutions for proper use of flood potential and saline ephemeral rivers in arid and desert areas is the use of flood spreading networks with a special design that while separating the saline base flow from the flood, water also increases forage production and improves the quantity and quality of pastures and desertification control. The purpose of this stu...

Journal: :international journal of environmental research 0
k. sandeep department of marine geology, mangalore university, mangalagangotri 574199, india, 2 present address: geological survey of india-training institute, bandlaguda, hyderabad 500068, india a.k. warrier department of marine geology, mangalore university, mangalagangotri 574199, india, present address: antarctic science division, national centre for antarctic & ocean research, headland sada, vasco-da-gama, goa 403 804, india b.g. harshavardhana department of marine geology, mangalore university, mangalagangotri 574199, india r. shankar department of marine geology, mangalore university, mangalagangotri 574199, india

iron oxide minerals in soils provide valuable insights into pedogenic processes. a wealth of such information has been obtained by rock magnetic investigations on temperate soils but similar studies on tropical soils are rare. here, we report rock magnetic data on pristine soil profiles and surficial soils from five catchments in the tropical southern india and throw light on the pedogenic proc...

Journal: :Applied and environmental microbiology 2003
Christopher B Blackwood Terry Marsh Sang-Hoon Kim Eldor A Paul

Terminal restriction fragment length polymorphism (T-RFLP) is a culture-independent method of obtaining a genetic fingerprint of the composition of a microbial community. Comparisons of the utility of different methods of (i) including peaks, (ii) computing the difference (or distance) between profiles, and (iii) performing statistical analysis were made by using replicated profiles of eubacter...

Journal: :Environmental Research Communications 2019

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید