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https://www.readbyqxmd.com/read/28454068/biochar-based-water-treatment-systems-as-a-potential-low-cost-and-sustainable-technology-for-clean-water-provision
#1
REVIEW
Willis Gwenzi, Nhamo Chaukura, Chicgoua Noubactep, Fungai N D Mukome
Approximately 600 million people lack access to safe drinking water, hence achieving Sustainable Development Goal 6 (Ensure availability and sustainable management of water and sanitation for all by 2030) calls for rapid translation of recent research into practical and frugal solutions within the remaining 13 years. Biochars, with excellent capacity to remove several contaminants from aqueous solutions, constitute an untapped technology for drinking water treatment. Biochar water treatment has several potential merits compared to existing low-cost methods (i...
April 25, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28454067/assessment-of-the-swat-model-to-simulate-a-watershed-with-limited-available-data-in-the-pampas-region-argentina
#2
Martín Romagnoli, Margarita Portapila, Alfredo Rigalli, Gisela Maydana, Martín Burgués, Carlos M García
Argentina has been among the world leaders in the production and export of agricultural products since the 1990s. The Carcarañá River Lower Basin (CRLB), a cropland of the Pampas region supplied by extensive rainfall, is located in an area with few streamgauging and other hydrologic/water-quality stations. Therefore, limited hydrologic data are available resulting in limited water-resources assessment. This work explores the application of Soil and Water Assessment Tool (SWAT) model to the CRLB in the Santa Fe province of the Pampas region...
April 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28454037/agricultural-expansion-as-risk-to-endangered-wildlife-pesticide-exposure-in-wild-chimpanzees-and-baboons-displaying-facial-dysplasia
#3
Sabrina Krief, Philippe Berny, Francis Gumisiriza, Régine Gross, Barbara Demeneix, Jean Baptiste Fini, Colin A Chapman, Lauren J Chapman, Andrew Seguya, John Wasswa
Prenatal exposure to environmental endocrine disruptors can affect development and induce irreversible abnormalities in both humans and wildlife. The northern part of Kibale National Park, a mid-altitude rainforest in western Uganda, is largely surrounded by industrial tea plantations and wildlife using this area (Sebitoli) must cope with proximity to human populations and their activities. The chimpanzees and baboons in this area raid crops (primarily maize) in neighboring gardens. Sixteen young individuals of the 66 chimpanzees monitored (25%) exhibit abnormalities including reduced nostrils, cleft lip, limb deformities, reproductive problems and hypopigmentation...
April 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28454025/review-and-analysis-of-strengths-and-weaknesses-of-agro-ecosystem-models-for-simulating-c-and-n-fluxes
#4
REVIEW
Lorenzo Brilli, Luca Bechini, Marco Bindi, Marco Carozzi, Daniele Cavalli, Richard Conant, Cristopher D Dorich, Luca Doro, Fiona Ehrhardt, Roberta Farina, Roberto Ferrise, Nuala Fitton, Rosa Francaviglia, Peter Grace, Ileana Iocola, Katja Klumpp, Joël Léonard, Raphaël Martin, Raia Silvia Massad, Sylvie Recous, Giovanna Seddaiu, Joanna Sharp, Pete Smith, Ward N Smith, Jean-Francois Soussana, Gianni Bellocchi
Biogeochemical simulation models are important tools for describing and quantifying the contribution of agricultural systems to C sequestration and GHG source/sink status. The abundance of simulation tools developed over recent decades, however, creates a difficulty because predictions from different models show large variability. Discrepancies between the conclusions of different modelling studies are often ascribed to differences in the physical and biogeochemical processes incorporated in equations of C and N cycles and their interactions...
April 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28453986/facilitating-smallholder-tree-farming-in-fragmented-tropical-landscapes-challenges-and-potentials-for-sustainable-land-management
#5
Syed Ajijur Rahman, Terry Sunderland, James M Roshetko, John Robert Healey
Under changing land use in tropical Asia, there is evidence of forest product diversification through implementation of tree-based farming by smallholders. This paper assesses in two locations, West Java, Indonesia and eastern Bangladesh, current land use conditions from the perspective of smallholder farmers, the factors that facilitate their adoption of tree farming, and the potential of landscape-scale approaches to foster sustainable land management. Data were collected through rapid rural appraisals, focus group discussions, field observations, semi-structured interviews of farm households and key informant interviews of state agricultural officers...
April 25, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28453973/determinants-of-children-s-exposure-to-pyrethroid-insecticides-in-western-france
#6
Philippe Glorennec, Tania Serrano, Morgane Fravallo, Charline Warembourg, Christine Monfort, Sylvaine Cordier, Jean-François Viel, Florent Le Gléau, Barbara Le Bot, Cécile Chevrier
Pyrethroids are insecticides frequently used in agriculture and in the home; exposure occurs through dietary and non-dietary pathways, including indoor and outdoor environmental contamination. Our objective was to study the potential determinants of pyrethroid metabolite concentrations measured in children's urine samples and in the dust of their homes. Specifically, we measured urinary metabolites from morning spot samples of 245 six-year-old children living in Brittany (France) in 2009-2012 and from dust vacuumed from the floor of their homes...
April 25, 2017: Environment International
https://www.readbyqxmd.com/read/28453741/application-of-pheromone-traps-for-managing-hessian-fly-diptera-cecidomyiidae-in-the-southern-great-plains
#7
Allen E Knutson, K L Giles, T A Royer, N C Elliott, N Bradford
The Hessian fly, Mayetiola destructor Say, is an important pest of winter wheat in the Southern Great Plains of the United States. As larvae feed behind the leaf sheath, infestations often go undetected until crop damage is evident, and there are no remedial actions that can prevent economic loss once a field is infested. The recent discovery of the sex-attractant pheromone of the Hessian fly provides an opportunity to use pheromone traps to detect and monitor adult activity and potentially better manage this pest...
April 26, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28453685/phenocurve-capturing-dynamic-phenotype-environment-relationships-using-phenomics-data
#8
Yifan Yang, Lei Xu, Zheyun Feng, Jeffrey A Cruz, Linda J Savage, David M Kramer, Jin Chen
Motivation: Phenomics is essential for understanding the mechanisms that regulate or influence growth, fitness, and development. Techniques have been developed to conduct high-throughput large-scale phenotyping on animals, plants and humans, aiming to bridge the gap between genomics, gene functions and traits. Although new developments in phenotyping techniques are exciting, we are limited by the tools to analyze fully the massive phenotype data, especially the dynamic relationships between phenotypes and environments...
May 1, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28453650/plantismash-automated-identification-annotation-and-expression-analysis-of-plant-biosynthetic-gene-clusters
#9
Satria A Kautsar, Hernando G Suarez Duran, Kai Blin, Anne Osbourn, Marnix H Medema
Plant specialized metabolites are chemically highly diverse, play key roles in host-microbe interactions, have important nutritional value in crops and are frequently applied as medicines. It has recently become clear that plant biosynthetic pathway-encoding genes are sometimes densely clustered in specific genomic loci: biosynthetic gene clusters (BGCs). Here, we introduce plantiSMASH, a versatile online analysis platform that automates the identification of candidate plant BGCs. Moreover, it allows integration of transcriptomic data to prioritize candidate BGCs based on the coexpression patterns of predicted biosynthetic enzyme-coding genes, and facilitates comparative genomic analysis to study the evolutionary conservation of each cluster...
April 27, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28453521/soy-moratorium-impacts-on-soybean-and-deforestation-dynamics-in-mato-grosso-brazil
#10
Jude H Kastens, J Christopher Brown, Alexandre Camargo Coutinho, Christopher R Bishop, Júlio César D M Esquerdo
Previous research has established the usefulness of remotely sensed vegetation index (VI) data from the Moderate Resolution Imaging Spectroradiometer (MODIS) to characterize the spatial dynamics of agriculture in the state of Mato Grosso (MT), Brazil. With these data it has become possible to track MT agriculture, which accounts for ~85% of Brazilian Amazon soy production, across periods of several years. Annual land cover (LC) maps support investigation of the spatiotemporal dynamics of agriculture as they relate to forest cover and governance and policy efforts to lower deforestation rates...
2017: PloS One
https://www.readbyqxmd.com/read/28453515/reliable-reference-genes-for-normalization-of-gene-expression-data-in-tea-plants-camellia-sinensis-exposed-to-metal-stresses
#11
Ming-Le Wang, Qing-Hui Li, Hua-Hong Xin, Xuan Chen, Xu-Jun Zhu, Xing-Hui Li
Tea plants [Camellia sinensis (L.) O. Kuntze] are an important leaf-type crop that are widely used for the production of non-alcoholic beverages in the world. Exposure to excessive amounts of heavy metals adversely affects the quality and yield of tea leaves. To analyze the molecular responses of tea plants to heavy metals, a reliable quantification of gene expression is important and of major importance herein is the normalization of the measured expression levels for the target genes. Ideally, stably expressed reference genes should be evaluated in all experimental systems...
2017: PloS One
https://www.readbyqxmd.com/read/28453406/crop-fertilisation-impacts-epidemics-and-optimal-latent-period-of-biotrophic-fungal-pathogens
#12
Pierre-Antoine Précigout, David Claessen, Corinne Robert
Crop pathogens are known to rapidly adapt to agricultural practices. Although cultivar resistance breakdown and resistance to pesticides have been broadly studied, little is known about the adaptation of crop pathogens to fertilization regimes and no epidemiological model has addressed that question. However this is a critical issue for developing sustainable low-input agriculture. In this paper, we use a model of life history evolution of biotrophic wheat fungal pathogens aiming to understand how they could adapt to changes in fertilization practices...
April 28, 2017: Phytopathology
https://www.readbyqxmd.com/read/28449326/area-wide-mass-trapping-by-pheromone-based-attractants-for-the-control-of-sugar-beet-weevil-bothynoderes-punctiventris-germar-coleoptera-curculionidae
#13
Z Drmić, M Toth, D Lemić, D Grubišić, M Pospišil, R Bažok
BACKGROUND: Due to the changing climate, narrow crop rotation, and changes in insecticide application practice, sugar beet weevil (SBW) (Bothynoderes punctiventris Germar) has become the most important economic pest in sugar beet. To develop alternative control methods, an area-wide (AW) control program using aggregation pheromones was implemented over four years on an area of 6 and 14.8 km(2) in east Croatia. RESULTS: The mass trapping of SBW on the "old" sugar beet fields reduced the population from 0...
April 27, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28449129/phenotypic-differences-determine-drought-stress-responses-in-ecotypes-of-arundo-donax-adapted-to-different-environments
#14
Mastaneh Ahrar, Dilyana Doneva, Massimiliano Tattini, Cecilia Brunetti, Antonella Gori, Mirco Rodeghiero, Georg Wohlfahrt, Franco Biasioli, Claudio Varotto, Francesco Loreto, Violeta Velikova
Arundo donax has been identified as an important biomass and biofuel crop. Yet, there has been little research on photosynthetic and metabolic traits, which sustain the high productivity of A. donax under drought conditions. This study determined phenotypic differences between two A. donax ecotypes coming from stands with contrasting adaptation to dry climate. We hypothesized that the Bulgarian (BG) ecotype, adapted to drier conditions, exhibits greater drought tolerance than the Italian (IT) ecotype, adapted to a more mesic environment...
April 25, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28449073/genetics-of-phenotypic-plasticity-and-biomass-traits-in-hybrid-willows-across-contrasting-environments-and-years
#15
Sofia Berlin, Henrik R Hallingbäck, Friderike Beyer, Nils-Erik Nordh, Martin Weih, Ann-Christin Rönnberg-Wästljung
Background and Aims: Phenotypic plasticity can affect the geographical distribution of taxa and greatly impact the productivity of crops across contrasting and variable environments. The main objectives of this study were to identify genotype-phenotype associations in key biomass and phenology traits and the strength of phenotypic plasticity of these traits in a short-rotation coppice willow population across multiple years and contrasting environments to facilitate marker-assisted selection for these traits...
April 25, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28448937/assessment-of-n2o-emissions-from-a-fertilised-vegetable-cropping-soil-under-different-plant-residue-management-strategies-using-15-n-tracing-techniques
#16
M Rezaei Rashti, W J Wang, C R Chen, S H Reeves, C Scheer
Combined application of plant residues and N fertilisers strongly affect soil mineral N dynamics and N2O emissions depending on the quality of the plant residues, their application methods and other management strategies. We investigated the effect of combined application of two vegetable plant residues (cauliflower and sweet corn) and (15)N fertiliser on N dynamics and N2O emission in a glasshouse pot study. The experiment was conducted under two residue management practices (soil incorporation vs surface mulching) over 98days with growing basil (Ocimum basilicum) plants...
April 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28448928/potential-environmental-impact-of-bioethanol-production-chain-from-fiber-sorghum-to-be-used-in-passenger-cars
#17
Annachiara Forte, Amalia Zucaro, Massimo Fagnano, Angelo Fierro
A life cycle assessment (LCA) was applied to assess the environmental load of a prospective local bioethanol (EtOH) production system in Southern Italy by using lignocellulosic Fiber sorghum (FS) feedstock. A two steps analysis was carried out considering: (i) a "cradle-to-farm gate" LCA to investigate thoroughly the FS cultivation on hilly marginal land and (ii) a "cradle-to-wheels" system boundary encompassing the environmental pressure of the whole EtOH supply-use chain. Primary data related to lignocellulosic biomass production were combined with experimental feedstock conversion processes through advanced second generation technology...
April 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28448631/biofortification-se-does-it-increase-the-content-of-phenolic-compounds-in-virgin-olive-oil-voo
#18
Roberto D'Amato, Primo Proietti, Andrea Onofri, Luca Regni, Sonia Esposto, Maurizio Servili, Daniela Businelli, Roberto Selvaggini
Extra-Virgin Olive Oil (EVOO) is a fundamental component of the Mediterranean diet and it may contain several anti-oxidant substances, such as phenols. Previous research has shown that this food may be enriched in phenols by spraying a sodium-selenate solution (100 mg L-1 Se) onto the crop canopy before flowering. The aim of this research was to evaluate the effect of this Se-fertilization before flowering (cv. Leccino) on the phenolic profile of EVOOs, and test to what extent such effects depend on the weather pattern, as observed in two contrasting experimental seasons (2013 and 2014)...
2017: PloS One
https://www.readbyqxmd.com/read/28448621/biochar-from-kon-tiki-flame-curtain-and-other-kilns-effects-of-nutrient-enrichment-and-kiln-type-on-crop-yield-and-soil-chemistry
#19
Naba Raj Pandit, Jan Mulder, Sarah Elisabeth Hale, Hans Peter Schmidt, Gerard Cornelissen
Biochar application to soils has been investigated as a means of improving soil fertility and mitigating climate change through soil carbon sequestration. In the present work, the invasive shrub "Eupatorium adenophorum" was utilized as a sustainable feedstock for making biochar under different pyrolysis conditions in Nepal. Biochar was produced using several different types of kilns; four sub types of flame curtain kilns (deep-cone metal kiln, steel shielded soil pit, conical soil pit and steel small cone), brick-made traditional kiln, traditional earth-mound kiln and top lift up draft (TLUD)...
2017: PloS One
https://www.readbyqxmd.com/read/28448589/morpho-physiological-analysis-of-tolerance-to-aluminum-toxicity-in-rice-varieties-of-north-east-india
#20
Jay Prakash Awasthi, Bedabrata Saha, Preetom Regon, Smita Sahoo, Umakanta Chowra, Amit Pradhan, Anupam Roy, Sanjib Kumar Panda
Aluminum (Al) is the third most abundant metal in earth crust, whose chemical form is mainly dependent on soil pH. The most toxic form of Al with respect to plants is Al3+, which exists in soil pH <5. Acidic soil significantly limits crop production mainly due to Al3+ toxicity worldwide, impacting approximately 50% of the world's arable land (in North-Eastern India 80% soil are acidic). Al3+ toxicity in plants ensues root growth inhibition leading to less nutrient and water uptake impacting crop productivity as a whole...
2017: PloS One
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