Results 11 to 20 of about 32,177 (308)

Vegetation Re-development After Fen Meadow Restoration by Topsoil Removal and Hay Transfer [PDF]

open access: yes, 2009
We investigated the effects of different restoration treatments on the development of fen meadow communities: (1) depth of topsoil removal, with shallow (circa 20 cm) and deep (circa 40 cm) soil removal applied, (2) transfer of seed-containing hay, and ...
Grootjans, Ab P.   +27 more
core   +1 more source

Phase Composition of Urban Soils by X-Ray Diffraction and Mössbauer Spectroscopy Analysis [PDF]

open access: yesArchives of Metallurgy and Materials, 2019
The main purpose of this study was to identify the mineral composition of soil sample taken from the upper layer of topsoil. High absorption of chemical substance is a characteristic for humus-organic layer of topsoil. The source of those substance could
P. Kierlik   +4 more
doaj   +1 more source

Modeling the phosphorus balance of different soilsusing the 4M crop model

open access: yesPlant, Soil and Environment, 2012
Our study focuses on the phosphorus (P) balance in two long-term fertilization experiments which were carried out in characteristic soils of Hungary with four fertilization treatments and four main crops. The objectives of this study are: (1) to quantify
G. Máthé-Gáspár, N. Fodor
doaj   +1 more source

Mapping Topsoil Total Nitrogen Using Random Forest and Modified Regression Kriging in Agricultural Areas of Central China

open access: yesPlants, 2023
Accurate understanding of spatial distribution and variability of soil total nitrogen (TN) is critical for the site-specific nitrogen management. Based on 4337 newly obtained soil observations and 33 covariates, this study applied the random forest (RF ...
Liyuan Zhang   +6 more
doaj   +1 more source

Laboratory and Field Experiments on the Effect of Vinyl Acetate Polymer-Reinforced Soil

open access: yesApplied Sciences, 2019
Soil stabilizer can enhance the soil properties, which can improve ecological environmental problems such as soil erosion and slope instability. This study investigates the water-related and mechanical properties of soil stabilization using a polymer ...
Zezhuo Song   +8 more
doaj   +1 more source

DINAMIKA KARBON DAN AKTIVITAS β-GLUKOSIDASE DI TOPSOIL DAN SUBSOIL LAHAN PERTANIAN MONOKULTUR NAGARI ALAHAN PANJANG SUMATERA BARAT

open access: yesJTSL (Jurnal Tanah dan Sumberdaya Lahan), 2023
This study aimed to determine the dynamics of carbon and glucosidase enzyme activity in the topsoil and subsoil of monoculture land. This research was in Nagari Alahan Panjang, West Sumatra.
Sri Dewi Murni   +2 more
doaj   +1 more source

Isolation and Characterization of Hydrocarbon-Degrading Bacteria in Top and Subsoil of selected Mechanic Workshops in Benin City Metropolis, Nigeria

open access: yesJournal of Applied Sciences and Environmental Management, 2017
The isolation of hydrocarbon-degrading bacteria in topsoil and subsoil samples of selected mechanic workshops located in the Benin metropolis was carried out. The highest and lowest bacterial counts in topsoil samples were found out to be 2.94 x 106 CFU/
Omonigho Daniel Ebakota   +4 more
doaj   +1 more source

Dehydrogenase activity in topsoil at windthrow plots in Tatra National Park

open access: yesCentral European Forestry Journal, 2017
The aim of the study was to compare the effect of windthrow treatments established after the windstorm in 2004 on the activity of enzyme dehydrogenase (DHA) in forest topsoils.
Hanajík Peter   +2 more
doaj   +1 more source

The influence of parent material on topsoil geochemistry in eastern England [PDF]

open access: yes, 2003
The topsoil of around 10000 km(2) in eastern England has recently been sampled intensely at 4609 sites to characterize its geochemistry. The parent materials, which include both solid geology and Quaternary sediments, range in age from Permian to ...
Webster, R.   +2 more
core   +1 more source

The Adaptive potential pasture phytocenosis to sole ambience and influence them on speaker of the fertility light-chestnut ground in condition of the natural moistening

open access: yesЮг России: экология, развитие, 2015
Estimation of the adaptive potential natural phytocenosis is given to soil salinization ground under natural moistening. The Studied general regularities of the operation to pasture vegetation and condition of the renewing the vegetable cover on techno ...
R. Z. Usmanov   +2 more
doaj   +1 more source

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