Articles

Editorial for thematic series HA/NOM structure and bioactivity

Authors: Marios Drosos

Indigenous rhizobia population influences the effectiveness of Rhizobium inoculation and need of inorganic N for common bean (Phaseolus vulgaris L.) production in eastern Ethiopia

Supplement with inorganic N application is essential to improve the common bean production in sub-Saharan Africa. However, the influence of indigenous rhizobial population on the inorganic N requirement with Rhiz...

Authors: Anteneh Argaw and Angaw Tsigie

Effect of humic substances and clay minerals on the hydrosorption capacity of clay particles in meadow soils (Middle Priamurje, Far East of Russia)

The study of clay fractions is usually focused on water-dispersible clay (WDC), which is a good indicator of many soil processes involving water (water erosion, transfer and removal of nutrients and contaminan...

Authors: Lira A. Matiushkina and Galina V. Kharitonova

Humic acid potentiometric response patterns: out-of-equilibrium properties and species distribution modeling

Negentropy and entropy fluctuations, which are concepts of out-of-equilibrium thermodynamics, were considered in the development of a simple potentiometric titration method for the study of natural complex sys...

Authors: Vicente Rodrigues de Almeida and Bruno Szpoganicz

Separation of acid-soluble constituents of soil humic acids by dissolution in alkaline urea solution and precipitation with acid

Humic substances are considered to be composed of relatively small, heterogeneous molecules bound by weak linkages. The dissociation of acid-soluble constituents from soil humic acids (HAs) during the preparat...

Authors: Masakazu Aoyama

Ferrocene in agriculture: from agrochemicals and soil remediation to selective chemosensors

Ferrocene and derivatives find numerous applications in agriculture, both as agrochemicals and as catalysts, for selective synthesis of agrochemicals. Moreover, they can be used as surfactants in soil remediat...

Authors: Barbara Floris

Impact of seasonal climate change on optical and molecular properties of river water dissolved organic matter by HPLC-SEC and UV-vis spectroscopy

The change in the optical parameters of dissolved organic matter (DOM) from natural water samples of Pirita River in Estonia were studied during 2 years of winter–spring season. At present, the relative quanti...

Authors: Viia Lepane, Laura Depret, Anna-Liisa Väli and Kristel Suursööt

The effects of early leaf removal and cluster thinning treatments on berry growth and grape composition in cultivars Vranac and Cabernet Sauvignon

The aim of the present work was to investigate the effect of early leaf removal and cluster thinning treatments in the Mediterranean climate on berry growth and how these two techniques affect phenolic profile...

Authors: Marina Bogicevic, Vesna Maras, Milena Mugoša, Vesna Kodžulović, Jovana Raičević, Sanja Šućur and Osvaldo Failla

Alterations in mineral nutrients in soybean grain induced by organo-mineral foliar fertilizers

Chemical composition of soybean grain may be modified by application of foliar fertilizers. The aim of this study was to test the effect of different organo-mineral foliar fertilizers: Zlatno inje, Bioplant Fl...

Authors: Vesna Dragičević, Bogdan Nikolić, Hadi Waisi, Milovan Stojiljković, Sanja Đurović, Igor Spasojević and Vesna Perić

The use of organic biostimulants in hot pepper plants to help low input sustainable agriculture

World demand for agricultural products is increasing. New insights are required in order to achieve sufficient and sustainable yields to meet global food request. Chemical fertilizers have been studied for alm...

Authors: Andrea Ertani, Paolo Sambo, Carlo Nicoletto, Silvia Santagata, Michela Schiavon and Serenella Nardi

Effect of arbuscular mycorrhizal fungi (AMF) and water stress on growth, phenolic compounds, glandular hairs, and yield of essential oil in basil (Ocimum gratissimum L)

Water stress is one of the most adverse conditions that may affect growth, and synthesis of essential oils in aromatic and medicinal plants. To overcome these climatic conditions, mycorrhiza is an adaptation s...

Authors: Zakaria Hazzoumi, Youssef Moustakime, El hassan Elharchli and Khalid Amrani Joutei

Characterization of terrestrial dissolved organic matter fractionated by pH and polarity and their biological effects on plant growth

Humic substances are ubiquitous in the environment, complex mixtures, and known to be beneficial to plant growth. To better understand and identify components responsible for plant growth stimulation, a terres...

Authors: Rachel L Sleighter, Paolo Caricasole, Kristen M Richards, Terry Hanson and Patrick G Hatcher

Preharvest foliar applications of glycine-betaine protects banana fruits from chilling injury during the postharvest stage

Banana plantations are affected by environmental factors such as chilling injury, which reduces the quality of fruits and causes losses of up to 50% in the yield of banana and it will be more important in term...

Authors: Luis C Rodríguez-Zapata, Francisco L Espadas y Gil, Susana Cruz-Martínez, Carlos R Talavera-May, Fernando Contreras-Marin, Gabriela Fuentes, Enrique Sauri-Duch and Jorge M Santamaría

Optimized procedure for the determination of P species in soil by liquid-state ³¹P-NMR spectroscopy

Liquid-state ³¹P-NMR spectroscopy becomes progressively an important role for studying phosphorus (P) dynamics in soil. Soils of different origin and organic matter content were used to optimize sample preparatio...

Authors: Meng Li, Pierluigi Mazzei, Vincenza Cozzolino, Hiarhi Monda, Zhengyi Hu and Alessandro Piccolo

Milk yield and composition, body condition, rumen characteristics, and blood metabolites of dairy cows fed diet supplemented with palm oil

An addition of rumen-protected fat to the diet of cows may limit negative energy balance and/or shorten its duration, leading to increased milk production with reduced risk of metabolic disorders in dairy cows...

Authors: Danijela Kirovski, Bojan Blond, Marko Katić, Radmila Marković and Dragan Šefer

Humic substances stimulate maize nitrogen assimilation and amino acid metabolism at physiological and molecular level

The effects of a humic substance (HS) extracted from a volcanic soil on the nitrate assimilation pathway of Zea mays seedlings were thoroughly examined using physiological and molecular approaches. Plant growth, ...

Authors: Silvia Vaccaro, Andrea Ertani, Antonio Nebbioso, Adele Muscolo, Silvia Quaggiotti, Alessandro Piccolo and Serenella Nardi

Effects of on-farm composted tomato residues on soil biological activity and yields in a tomato cropping system

The use of compost may relieve the factors that limit productivity in intensive agricultural systems, such as soil organic matter depletion and soil sickness. Concomitantly, the practice of on-farm composting ...

Authors: Catello Pane, Giuseppe Celano, Alessandro Piccolo, Domenica Villecco, Riccardo Spaccini, Assunta M Palese and Massimo Zaccardelli

Humic matter elicits proton and calcium fluxes and signaling dependent on Ca²⁺-dependent protein kinase (CDPK) at early stages of lateral plant root development

The humic acid (HA) fraction of soil organic matter (SOM) exerts an effective plant growth promotion through a complex mechanism involving a coordinated activation of several key ion transport and signaling sy...

Authors: Alessandro C Ramos, Leonardo B Dobbss, Leandro A Santos, Mânlio S Fernandes, Fábio L Olivares, Natália O Aguiar and Luciano P Canellas

Variations in level of oil, protein, and some antioxidants in chickpea and peanut seeds

Chickpea and peanut are two legume species not frequently used in human diets. Chickpea is rich in starch and proteins, while peanut is mainly a source of oils and proteins and they could be successfully used ...

Authors: Vesna Dragičević, Suzana Kratovalieva, Zoran Dumanović, Zoran Dimov and Natalija Kravić

Phenol content and antioxidant activity of green, yellow and black tea leaves

Green, black and yellow tea leaves are rich in phenolic compounds that are known for their antioxidant activity thus beneficial effect on human health. In practice, different methods are used to determine anti...

Authors: Mirela Kopjar, Maja Tadić and Vlasta Piližota

Reduced complexity of multidimensional and diffusion NMR spectra of soil humic fractions as simplified by Humeomics

Humeomics is a sequential step-wise chemical fractionation that simplifies the complex matrix of a humic acid (HA) and weakens its supramolecular interactions, thereby allowing a detailed characterization of t...

Authors: Antonio Nebbioso, Pierluigi Mazzei and Davide Savy

The Brazilian wood biomass supply and utilization focusing on eucalypt

Brazil has 8.51 million km² of territorial area and a tropical climate. In 2010, the occupation of the Brazilian soil consists of 20.8% pasture, 6.8% agriculture, 0.8% forested areas, 61.0% natural forests, and 9...

Authors: Jorge L Colodette, Claudia M Gomes, Fernando J Gomes and Carla P Cabral

Root exudate profiling of maize seedlings inoculated with Herbaspirillum seropedicaeand humic acids

Co-inoculation of maize with Herbaspirillum seropedicae and humic substances increases the sizes of plant-associated bacterial populations and enhances grain yields under laboratory and field conditions. Root exu...

Authors: Lívia da Silva Lima, Fábio Lopes Olivares, Rodrigo Rodrigues de Oliveira, Maria Raquel Garcia Vega, Natália Oliveira Aguiar and Luciano Pasqualoto Canellas

Metabolomics applied in bioenergy

Metabolomics, which represents all the low molecular weight compounds present in a cell or organism in a particular physiological condition, has multiple applications, from phenotyping and diagnostic analysis ...

Authors: Patricia V Abdelnur, Camila Caldana and Marina C M Martins

Genetic improvement of microorganisms for applications in biorefineries

The development of biorefineries directed to the production of fuels, chemicals and energy is important to reduce economic dependence and environmental impacts of a petroleum-based economy. Microorganisms are ...

Authors: Bárbara G Paes and João RM Almeida

Innovation dynamics in the biobased industry

This paper studies the biobased industry evolution as an innovation process, as this approach allows us to widen the current perspective of most literature in this field, by offering insights into the current ...

Authors: Jose Vitor Bomtempo and Flávia Chaves Alves

Extraction and characterization of bio-effectors from agro-food processing by-products as plant growth promoters

Recently, a novel concept ‘bio-effectors’ rose on to describe a group of products that are able to improve plant performance rather than fertilizers. Agro-food processing residues and by-products potentially r...

Authors: Ziad Al Chami, Deaa Alwanney, Sandra Angelica De Pascali, Ivana Cavoski and Francesco Paolo Fanizzi

The potential of the energy cane as the main biomass crop for the cellulosic industry

The last century was the scene of an extraordinary social and economic development of mankind. This development had the fossil energy as one of its pillars. The discovery of petrol led the society to shape a d...

Authors: Osmar V Carvalho-Netto, Jose A Bressiani, Hugo L Soriano, Celso S Fiori, Joao M Santos, Geraldo VS Barbosa, Mauro A Xavier, Marcos GA Landell and Goncalo AG Pereira

An analysis of Brazilian sugarcane bagasse ash behavior under thermal gasification

Ashes from sugarcane were analyzed by X-ray fluorescence, ash content, X-ray diffraction, scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS). FactSage 6.4 database software was used t...

Authors: Catia Fredericci, Gerhard Ett, Guilherme FB Lenz e Silva, João B Ferreira Neto, Fernando JG Landgraf, Ricardo L Indelicato and Tiago R Ribeiro

Arachidonic acid as an elicitor of the plant defense response to phytopathogens

Review summarizes both literature and own experimental data on the application of arachidonic acid (AA, C_20:4 omega-6) as an elicitor of the plant defense reactions to phytopathogens. The elicitation activity of ...

Authors: Emiliya G Dedyukhina, Svetlana V Kamzolova and Mikhail B Vainshtein

Biobased fibers and materials in Brazil

The human evolution is directly associated to the use of materials. During the last century, humanity had significant development powered by the use of fossil resources, which largely impacted the materials di...

Authors: Leonardo F Valadares

Stimulation of plant growth and biocontrol by Bacillus amyloliquefaciens subsp. plantarum FZB42 engineered for improved action

During the last decade, the use of plant-root colonizing bacteria with plant growth-promoting activity has been proven as an efficient and environmental-friendly alternative to chemical pesticides and fertiliz...

Authors: Jun-Qing Qiao, Hui-Jun Wu, Rong Huo, Xue-Wen Gao and Rainer Borriss

Natural products: an extraordinary source of value-added compounds from diverse biomasses in Brazil

The biodiversity of Brazil contains an extraordinary number of compounds from natural products with a wide and complex variety of molecular structures, therefore representing an economic potential in biomasses...

Authors: Viviane Cândida da Silva and Clenilson Martins Rodrigues

Molecular dynamics simulation of humic substances

Humic substances (HS) are complex mixtures of natural organic material which are found almost everywhere in the environment, and particularly in soils, sediments, and natural water. HS play key roles in many p...

Authors: Mario Orsi

Bioprocesses for biofuels: an overview of the Brazilian case

Renewables are 46% in the Brazilian energy matrix, while the world scenario differs from this context to use only 13% of these resources. The biomass conversion using bioprocess has great potential to be appli...

Authors: Monica Caramez Triches Damaso, Cristina Maria Monteiro Machado, Dasciana de Sousa Rodrigues, Silvia Goncalves Belem and Thais Fabiana Chan Salum

A renewable chemistry linked to the Brazilian biofuel production

The transition from the current dependence on non-renewable raw materials to biomass as an oil substitute has become a strategic challenge to the twenty-first century. Chemicals have the highest potential to a...

Authors: Sílvio Vaz

Green synthesis from biomass

This review describes how to apply green chemistry principles to transform biomass into several types of molecules. On the basis of selected papers published over the last three to four years, it includes the ...

Authors: Paulo M Donate

The glycerol biorefinery: a purpose for Brazilian biodiesel production

According to estimates from the International Energy Agency, global energy consumption will increase by at least one third, between 2010 and 2035. The additional power required will be provided not only by fos...

Authors: Emerson Léo Schultz, Daniela Tatiane de Souza and Mônica Caramez Triches Damaso

Metabolites produced by Gnomoniopsis castanea associated with necrosis of chestnut galls

In this manuscript, we report the isolation and characterization of two secondary metabolites produced by a Gnomoniopsis castanea strain isolated in the Campania region (Italy) from chestnut galls infested with D...

Authors: Francesco Vinale, Michelina Ruocco, Gelsomina Manganiello, Emilio Guerrieri, Umberto Bernardo, Pierluigi Mazzei, Alessandro Piccolo, Filomena Sannino, Simonetta Caira, Sheridan L Woo and Matteo Lorito

Green chemistry, sustainable agriculture and processing systems: a Brazilian overview

There is a pressing need for renewable and optimal use of resources towards sustainable primary production and processing systems worldwide. Current technologies for food and feedstock production are held acco...

Authors: Bruno Perlatti, Moacir R Forim and Vânia G Zuin

Chemical and spectroscopic characterization of insoluble and soluble humic acid fractions at different pH values

Humic acids (HA) are organic molecules with complex structure and function and variable properties. They are insoluble in strongly acid pH conditions. At present, it is not clear how much is the amount of HA i...

Authors: Andrea Baglieri, Daniela Vindrola, Mara Gennari and Michèle Negre

Physiological responses to humic substances as plant growth promoter

Humic substances (HS) have been widely recognized as a plant growth promoter mainly by changes on root architecture and growth dynamics, which result in increased root size, branching and/or greater density of...

Authors: Luciano P Canellas and Fábio L Olivares

pH-controlled release of auxin plant hormones from cucurbit[7]uril macrocycle

The influence of pH on the formation of host-guest complexes between the cucurbit[7]uril (CB[7]) macrocyclic host and three auxin plant hormones, namely indole-3-acetic acid (IAA), 2-naphthalene acetic acid (2...

Authors: Assunta Nuzzo, Oren A Scherman, Pierluigi Mazzei and Alessandro Piccolo

Editorial

Authors: Alessandro Piccolo