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Showing papers in "Geoderma in 2018"


Journal ArticleDOI
15 Mar 2018-Geoderma
TL;DR: In this paper, the potential of observable soil structural attributes to be used in the assessment of soil functions is evaluated and discussed from a methodological point of view and with respect to their relevance to soil functions.

602 citations


Journal ArticleDOI
15 Jul 2018-Geoderma
TL;DR: In this paper, the shape type, size, abundance, spatial distribution, polymer composition and surface morphology of the microplastics were identified by a range of advanced microscopic and micro-analytical methods.

381 citations


Journal ArticleDOI
15 Sep 2018-Geoderma
TL;DR: In this paper, the authors compared data on soil physical properties among NT, reduced till (RT), and conventional till (CT) systems, discussed factors influencing tillage system effects, and underscored research needs.

314 citations


Journal ArticleDOI
15 Dec 2018-Geoderma
TL;DR: In this paper, the impact of biochar (BC) application on soil varies with BC feedstock and soil type, and the linkage between the properties and surface functionality of various BCs and their role in the rehabilitation of two infertile soils was investigated.

202 citations


Journal ArticleDOI
15 Oct 2018-Geoderma
TL;DR: In this article, the long-term impacts of continuous (20+ years) no-till management on soil properties and corn (Zea mays L.) yields in New York were assessed in combination with different cropping systems.

171 citations


Journal ArticleDOI
01 Jun 2018-Geoderma
TL;DR: In this article, the impacts of fertilization regimes and crop rotations on soil physicochemical properties, crop yield and bacterial and fungal community structures in a 26-year field experiment were explored.

159 citations


Journal ArticleDOI
15 Mar 2018-Geoderma
TL;DR: In this article, the authors compared the influence of preprocessing techniques on prediction performance, assess the modeling performance of a wide range of multivariate methods, and evaluate the potential of Vis-NIR spectroscopy to predict organic carbon.

142 citations


Journal ArticleDOI
15 May 2018-Geoderma
TL;DR: In this paper, soil quality indices (SQIs) were developed by quantifying several soil properties to discriminate the effects of slope gradient and land use change on soil quality in 480 km2 of agricultural land in Kurdistan Province, Iran.

140 citations


Journal ArticleDOI
15 Jan 2018-Geoderma
TL;DR: Wang et al. as mentioned in this paper compared four multivariate techniques (principal components regression, PCR; partial least squares regression, PLSR; and support vector machine regression, SVMR) with the aim of rapidly and accurately predicting soil properties, including soil organic matter (SOM), total nitrogen (TN), total phosphorus (TP), and total potassium (TK).

132 citations


Journal ArticleDOI
01 Mar 2018-Geoderma
TL;DR: In this article, a farmer's participatory research trial was conducted in Karnal, India to evaluate 8 combinations of cropping systems, tillage, crop establishment method and residue management effects on key soil physico-chemical and biological properties.

130 citations


Journal ArticleDOI
30 May 2018-Geoderma
TL;DR: The study signifies the important role of the self-adaptive multi-resolution utility (CEEMDAN) hybridized with the ELM algorithm to potentially develop automated prediction systems for forecasting soil moisture, with potential applications in agriculture.

Journal ArticleDOI
15 Jan 2018-Geoderma
TL;DR: In this article, an improved method of multi-criteria decision making for evaluating areas suitable for cultivation priority planning of maize, rape and soybean crops was proposed. But the results showed that the proposed method was not suitable for maize, rice and soybeans.

Journal ArticleDOI
01 Jun 2018-Geoderma
TL;DR: In this article, two dominant halophytes in the Jiuduansha Wetland of the Yangtze River estuary, Phragmites communis and Spartina alterniflora, were selected for in-situ and ex-Situ decomposition experiments aiming to clarify the difference in decomposition rate of their litter types in soil.

Journal ArticleDOI
15 Feb 2018-Geoderma
TL;DR: In this article, the size effect of soil particles in colloidal dimension on the partitioning and geochemical fractions of heavy metals has been studied, where four soils, polluted by several heavy metals, were collected from Jiangxi and Hebei (HB) Provinces and Guangxi Zhuang Autonomous Region (GX and GX′) in China, respectively.

Journal ArticleDOI
15 May 2018-Geoderma
TL;DR: In this paper, the performance of a state-of-the-art learning algorithm called extreme learning machine (ELM) was evaluated through comparing with the other calibration methods proposed in the literature for predicting lead (Pb) and Zinc (Zn) concentrations.

Journal ArticleDOI
15 Feb 2018-Geoderma
TL;DR: In this paper, the authors compared the hourly, seasonal and yearly differences between Ta, LST, GST, and ground temperatures, as well as the freezing and thawing indices, the N-factors, and the surface and thermal offsets derived from these temperatures.

Journal ArticleDOI
15 Jan 2018-Geoderma
TL;DR: An extensive study on the spatial distribution and source apportionment of heavy metals in soils and so by risk assessment at You'xi County, a major Pb-Zn mining area southeast China, was conducted in this paper.

Journal ArticleDOI
15 Sep 2018-Geoderma
TL;DR: In this article, a review of the performance of regression kriging (RK) is presented, focusing on the most popular, practical and robust hybrid spatial interpolation techniques in the digital soil mapper's toolbox that enables the modeling of soil distribution patterns at multiple scales in space and time.

Journal ArticleDOI
01 Jun 2018-Geoderma
TL;DR: In this paper, the authors evaluated seven common revegetation techniques by considering both deep soil moisture deficit and soil organic carbon (SOC) sequestration on the Loess Plateau of China, attempting to identify a suitable method for soil restoration of severely degraded ecosystems.

Journal ArticleDOI
01 Sep 2018-Geoderma
TL;DR: In this paper, the major soil phosphorus (P) forms occurring in soils are presented, including organic, sorbed and mineral P, and the current state of knowledge on ecologically relevant P forms and their reactions in soils is summarized.

Journal ArticleDOI
15 Nov 2018-Geoderma
TL;DR: In this article, the effects of different pixel sizes on some controlling factors extracted from a digital elevation model and remote sensing data when producing a gully erosion susceptibility map (GESM) of Ekbatan Dam Basin, Hamadan, Iran were explored.

Journal ArticleDOI
15 Nov 2018-Geoderma
TL;DR: In this article, the authors performed the soil temperature estimation at various soil depths (i.e., 5, 50 and 100 cm) by applying data-intelligent machine learning models: extreme learning machine (ELM), artificial neural network (ANN), and M5 Model Tree (M5 Tree).

Journal ArticleDOI
15 Dec 2018-Geoderma
TL;DR: In this article, a long-term field experiment on tillage practices at the Westerfeld trial in Bernburg, Germany (25 years of different management) is investigated in a X-ray microtomography with bulk properties like bulk density, air capacity and saturated hydraulic conductivity, as well as integrative, ecological properties like earthworm abundance and crop yield.

Journal ArticleDOI
Youjin Yan1, Quanhou Dai1, Yingfei Yuan1, Xudong Peng1, Longshan Zhao1, Jing Yang1 
15 Nov 2018-Geoderma
TL;DR: In this paper, the dual structure of a karst system was simulated in a steel tank, and a rainfall simulation was employed to determine the intensity threshold of erosive rainfall at the surface and the effects of extreme rainfall on runoff generation and sediment yield on karast hillslopes.

Journal ArticleDOI
01 Apr 2018-Geoderma
TL;DR: In this article, the combined impacts of modified nitrogen (N) fertilizers and water saving irrigation (WSI) on greenhouse gas emissions and grain yield of rice paddies have not previously been documented.


Journal ArticleDOI
15 Dec 2018-Geoderma
TL;DR: In this paper, the authors conducted a consecutive 12-yr N addition experiment in a temperate steppe and evaluated how increasing N inputs affect soil organic carbon accumulation, microbial respiration, microbial biomass and composition in the field.

Journal ArticleDOI
01 Mar 2018-Geoderma
TL;DR: In this article, the authors presented an open digital mapping methodology, which utilises open data in an open-source computing environment, as a cost-effective method for mapping peat thickness and estimating carbon stock in Indonesian peatlands.

Journal ArticleDOI
15 Sep 2018-Geoderma
TL;DR: In this paper, the effect of wood-based biochar on two different textured soils and to evaluate their influence on some hydrological properties: water retention, shrinkage behavior and effect of wetting and drying periods on the hydraulic conductivity were measured.

Journal ArticleDOI
01 Jun 2018-Geoderma
TL;DR: Wang et al. as mentioned in this paper investigated the effects of different water and salinity regulation measures on soil carbon stocks in coastal wetlands, using soil samples collected to a depth of 50 cm in four types of wetlands (i.e., restored tidal salt marshes (RTSM), covered with Suaeda salsa) and degraded tidal salt marshhes (DTSM, bare land); freshwater restored wetlands (FRW), and degraded wetlands without freshwater inputs (DWFI, covered with Phragmites australis) during the period from August to October in 2015 in the Yellow