and 40 % fly ash to soil increased growth and photosynthetic pigments of wheat, maximum being with 40 % fly ash. However, addition of fly ash had no visible effect on A. triticina- infected leaf area. Inoculation of beneficial soil micro-organisms increased plant growth and photosynthetic pigments and reduced the percentage of infected leaf …
Plant–soil feedback (PSF) is an important mechanism determining plant community dynamics and structure. Understanding the geographic patterns and drivers of PSF is essential for understanding the mechanisms underlying geographic plant diversity patterns. We compiled a large dataset containing 5969 observations of PSF from 202 studies to ...
Abstract and Figures. Plant–soil feedback (PSF) is an important mechanism determining plant community dynamics and structure. Understanding the geographic patterns and drivers of PSF is ...
Leaving such a cropland fallow can lead to reduced soil carbon sequestration and the lack of recent carbon input by crop plants at bare soil plots was expected to result in a decline in decomposer organisms and micro-food web complexity with time [28, 63]. Conform with this hypothesis, the amount of total soil PLFAs in the topsoil was generally ...
Background Oxidation-reduction and acid–base reactions are essential for the maintenance of all living organisms. However, redox potential (Eh) has received little attention in agronomy, unlike pH, which is regarded as a master variable. Agronomists are probably depriving themselves of a key factor in crop and soil science which could be a …
Soil ecosystems comprise rich mixtures of diverse micro-organisms, crop debris, and organic matter; all of which cumulatively play a pivotal role in crop growth, health, and productivity. In particular, plant performance is profoundly altered by both the presence of the aforementioned parameters as well as their total composition altogether. …
Plant, Soil and Microbes: Mechanisms and Molecular Interactions, along with the recently published Plant, Soil and Microbes: Implications in Crop Science, provide detailed accounts of the exquisite and delicate balance between the three critical components of agronomy. Specifically, these two titles focus on the basis of nutrient exchange ...
Soil microbes are widely acknowledged to be major drivers of plant growth and plant community assembly 1.Plants affect soil microbes via the quantity and quality of rhizodeposits 2,3, and litter 4 ...
Actually, many microbial models have been proposed in the past years as part of a burgeoning effort to understand soil biogeochemical dynamics, but most of these models focus on C fluxes and pools and consider that N and P limitations mainly act on plant primary production and inputs of C to soil rather than possibly restricting soil …
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In this review, we evaluate ecological risks associated with micro-nano plastic for soil-plant system. We also discuss the consequence of plastic pollutants, either positive or negative, on soil microbial activities. In addition, we systematically summarize both direct and hypothesized implications for N cycling in agroecosystem. We conclude ...
September 29, 2021 / 01:14 PM IST. Andhra Cement share price added almost 3 percent in the afternoon session on September 29 as the company's consortium of creditors plans to start anew the debt ...
Journal of Plant Nutrition and Soil Science focuses on research into soil-plant interactions. We cover the spectrum of plant nutrition and soil science across different scale units, including both agroecosystems and natural systems. Our journal has been a leader in the field internationally for over a century, and is published in partnership ...
In combination, both climate change factors decreased plant organic N-uptake by 70% and 82%, soil microbial biomass N by 19% and 38% and increased soil denitrifier abundances by 253% and 136% in spring and autumn, respectively. Shrub expansion also individually modified the seasonality of soil microbial community …
Dynamics of the plant-associated microbiome. The assembly of a plant-associated microbiome is a successional, multistep process that is determined by dispersal, species interactions, the ...
Welcome to the Department of Plant & Soil Science at Texas Tech University. We are a student-focused and research-intensive department, offering a range of multidisciplinary coursework and academic programs. Plant & Soil Science faculty conduct research from the cellular level to large-scale ecosystems and post-production …
In book: Fundamentals on Plant and Soil Microbial Interactions (Theory and Practice) (pp.70-76) Publisher: Bharti Publications, New Delhi-110002
Background and aims The rhizosphere priming effect (RPE) is the stimulation or suppression of soil organic matter decomposition by living roots and associated rhizosphere organisms. The RPE is pivotal in regulating biogeochemical cycles in terrestrial ecosystems. However, biological mechanisms, especially soil micro-food …
The interactions with plants, soil, and are very complicated and involve numerous processes and chemicals which enable some microorganisms, including changes in physics and the presence of
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This report represents the first description of the microbial diversity in Amazonian soils involving a culture-independent approach and rRNA intergenic spacer analysis was used to show significant microbial population differences between a mature forest soil and an adjacent pasture soil. Expand. 756. PDF.
Section snippets Plant material, growth condition, and stress treatments. The uniform and newly ripened seeds of M. scutellata were surface-sterilized with sodium hypochlorite for 10 min and then washed three times with distilled water. In the summer of 2016, this study was carried out as a pot experiment in the experimental greenhouse of …
Our results showed that grazing not only affected plant variables (e.g., biomass and C and N concentrations), but also altered soil substrates (e.g., C and N contents) and soil environment (e.g., soil pH and bulk density). Grazing had strong bottom-up effects on soil micro-food webs, leading to more pronounced decreases at higher …
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Soil and plants. We selected two common grassland plant species Leymus chinensis (with mean relative abundance > 5%) and Kalimeris integrifolia (with mean relative abundance < 1%) from the Songnen meadow, located in western Jilin Province, northeast China (44°40'-44°44'N, 123°44'-123°47'E), because they naturally co-exist …
1 We used Lolium perenne plants grown in microcosms to investigate the responses of root demography, plant N capture, soil fauna populations and microbial community profiles to five organic patches containing the same amount of N but differing in their chemical and physical complexity and C : N ratio. All patches were dual labelled …
The Interconnection of Plants with Soil Microbes. Although plant physiologists sometimes view soil as simply a source of nutrients to plants, it is actually a complex ecosystem hosting bacteria, fungi, protists, and animals (Bonkowski et al., 2009; Muller et al., 2016).Plants exhibit a diverse array of interactions with these soil-dwelling …
Across sites, the plant alpha diversity patterns were poorly related to those observed for any soil microbial group. However, plant beta diversity (compositional dissimilarity between sites) was significantly correlated with the beta diversity of bacterial and fungal communities, even after controlling for environmental factors.
Plants. Plant and Soil 336: 351-362. 18. Khalvati M, Dincer I (2013) Environmental Impact of Soil ...
Contaminated soil is one of today's most difficult environmental issues, posing serious hazards to human health and the environment. Contaminants, particularly micro-nano plastics, have become more prevalent around the world, eventually ending up in the soil. Numerous studies have been conducted to investigate the interactions of …
The metal supply to a plant ranges from deficiency to optimum and eventual toxicity, and differs greatly between elements, being particularly narrow for transition metals such as Zn, Cu and Ni (Clemens et al. 2002).When a species establishes on a soil with either a too low or a too high metal supply, adjustments will take place within the limits of …
Potassium deficiency occurs frequently in plants grown on sandy soils resulting in a number of symptoms including browning of leaves, curling of leaf tips and yellowing (chlorosis) of leaves, as ...
