Nosratollah Najafi

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• Professor
• Professor (Full) at University of Tabriz

Background& Objective: In this research, the effects of combined application of biochar and nitrogen (N) fertilizer on some agronomical traits of rapeseed (Brassica napus L.), under water deficit stress conditions were studied in pot culture with a calcareous sandy loam soil. Methods & Maerials: A factorial experiment was done in a completely rando...

Rice is a vital global staple crop, and nitrogen (N) is the most limiting nutrient for its growth. Urea, containing 46% N, is the predominant solid N fertilizer used worldwide. However, its excessive use and high solubility increase costs and environmental concerns. Slow-release N fertilizers and split application methods, though effective, often f...

This study was mainly aimed to investigate and compare the effects of rice straw, biochar, hydrochar, urea-impregnated biochar (UB), urea-impregnated hydrochar (UH), urea-impregnated zeolite (UZ), and urea-hydroxyapatite nanohybrids (U-HAP) on rice cv. ‘Gohar’ growth characteristics, leaf chlorophyll index (LCI), and water use efficiency (WUE) in a...

Background and Objectives Phosphorus (P) is a macronutrient that its deficiency severely limits plant growth and production. Because of the complexity of P chemistry in soil, less than 30% of applied P fertilizer is absorbed by plants and the rest in the soil converts to unavailable forms. Organic matter can be applied to the soil to reduce soil P...

Nitrohumic acids (NHAs) are considered as promising slow-release N fertilizers. In this study, NHA was produced from six organic feedstocks, including coal, leonardite, municipal waste compost, sewage sludge, and apple and beech biochars via nitration using nitric acid. The nitration process was conducted in two ways: (i) after humic acid (HA) extr...

Nitrohumic acids (NHAs) are considered as promising slow-release N fertilizers. In this study, NHA was produced from six organic feedstocks, including coal, leonardite, municipal waste compost, sewage sludge, and apple and beech biochars via nitration using nitric acid. The nitration process was conducted in two ways: (i) after humic acid (HA) extr...

Nitrohumic acids (NHAs) are considered as promising slow-release N fertilizers. In this study, NHA was produced from six organic feedstocks, including coal, leonardite, municipal waste compost, sewage sludge, and apple and beech biochars via nitration using nitric acid. The nitration process was conducted in two ways: (i) after humic acid (HA)...

Fungi harboring lignocellulolytic activity accelerate the composting process of agricultural wastes; however, using thermophilic fungal isolates for this process has been paid little attention. Moreover, exogenous nitrogen sources may differently affect fungal lignocellulolytic activity. A total of 250 thermophilic fungi were isolated from local co...

Soil water content and phosphorus availability are important factors for sunflower (Helianthus annuus L.) production especially in arid and semi-arid regions. Water deficit, low organic matter of most soils, high prices of chemical fertilizers along with their environmental negative effects have attracted attention to find effective methods for imp...

Introduction Savory is considered one of the most important medicinal plants, which is used in various food and medical industries. Nitrogen (N) plays a major role on the growth and yield of medicinal plants. Therefore, an adequate supply of N is required for successful production of savory. However, the application of chemical N fertilizers is ass...

Agricultural practices affect arbuscular mycorrhizal fungal (AMF) hyphae growth and glomalin production, which is a recalcitrant carbon (C) source in soil. Since the spatial distribution of glomalin is an interesting issue for agronomists in terms of carbon sequestration, digital maps are a cost-free and useful approach. For this study, a set of 12...

The present study aimed to assess both soil and tea plant responses to acidification induced by aluminum (Al). In this way, the effects of four levels of soil acidification by aluminum sulfate were examined (A1=0, A2=500, A3=1000, A4=2000 mg kg-1 soil) on five promising tea genotypes (G1=100, G2=440, G3=444, G4=591 and G5=703). The genotypes were o...

This study investigates the adsorption and desorption of zinc by different biochars from aqueous solutions. Biohars from two feedstocks, including apple wood (WB) and rice straw (RB), were prepared at two pyrolysis temperatures, 300 and 600 °C (WB300, WB600, RB300 and RB600, respectively). Adsorption studies were performed at different initial pH (...

This study aimed to assess the effect of incubation time and sewage sludge on peppermint biomass, essential oil yield, and Zinc (Zn), lead (Pb), and Cadmium (Cd) concentrations in the plant tissues as well as assessing phytoremediation potential of peppermint grown in contaminated calcareous soils. A greenhouse experiment was conducted by growi...

In order to reduce the microbial load and the decomposition rate of sewage sludge this organic waste could be converted to hydrochar and be used in the soil. To evaluate the effects of different levels of sewage sludge and sewage sludge-derived hydrochar on growth characteristics of rice in a Cu-spiked soil a factorial experiment was performed base...

Background and Objectives: Zinc (Zn) is an essential nutrient for plants growth at low concentrations and at high concentrations, it acts as a heavy metal and soil pollutant. Biochar is used to improve soil quality, plant growth and also to reduce the availability of heavy metals in contaminated soils. The type of biochar behavior in soil and its e...

Background and Objective: Environmental pollution with various organic and inorganic contaminants, pathogens, poisons, and pesticides and global warming are the most important environmental issues for the mankind. Converting of biomasses into hydro char is a novel technology that has attracted great attention of researchers in recent decade due to...

Layered double hydroxide functionalized biochar and hydrochar composites are environmentally friendly and low-cost adsorbents for the removal of phosphate from aqueous solutions. In the present study, Mg-Al layered double hydroxide functionalized apple wood biochar and hydrochar were prepared and their phosphate adsorption characteristics were exam...

Arbuscular mycorrhizal fungi play a vital role in the development of healthy agriculture and environmental protection. Therefore, the native production of these fungi is important. The type of substrate has a great effect on increasing the efficiency of the inoculum. Accordingly, in this study, the effect of different substrates on Arbuscular mycor...

Arbuscular mycorrhizal fungi can symbiosis with 80% of plants. The positive effects of these fungi on plant growth, health and soil regeneration have been well established. Due to the importance of these fungi, their production is increasing. Accordingly, in this study, the effect of different substrates to evaluate the Effective symbiosis of Glomu...

Plant nutrient composition of can be used as an evaluation criterion for optimum plant growth. The objectives of present study were to (a) derive critical compositional nutrient (CND) norms for survived wheat fields and sufficiency ranges as CND nutrient index for validation samples, (b) provide a squared CND threshold nutrient imbalance index (CND...

Abstract The objective of this research was to assess the effect of nickel (Ni) toxicity on rotated barley and faba bean characteristics under chemical and biological nitrogenous fertilizers. A greenhouse experiment with factorial arrangement based on randomized complete block design with three replications was conducted in two years of 2016-2017 a...

In this paper, we investigate the invasion percolation (IP) in imperfect support in which the configuration of imperfections is considered to be correlated. Three lattice models were engaged to realize this pattern: site percolation, Ising model and random Coulomb potential (RCP). The first two models are short range interaction (SRI), whereas the...

The aim of this study was to apply fifteen remote sensing indices extracted by Landsat 8 OLI imagery for predicting and spatially mapping of soil salt composition, major electrolytes and ionic strength (IST) as difficult-to-measure soil chemical properties and parameters. For this, an area with extension of 22300 ha was selected from the east shore...

The present research aimed at investigating zinc (Zn) sorption capacity of the biochars derived from apple wood (WB) and rice straw (RB) feedstocks at two 300 and 600°C pyrolysis temperatures (WB300, WB600, RB300 and RB600, respectively) in aqueous solutions. Kinetic and equilibrium sorption experiments were conducted via batch technique. In equili...

In this study, Pb was added to the soil at rates of 0, 100, 200, 300, 400, and 500 mg kg⁻¹ as Pb (NO3)2 and then incubate at 27 ºC and soil moisture of 0.7 field capacity for 180 d. Soil biological characteristics including acid and alkaline phosphomonoesterases (ACP and ALP), nitrate reductase (NR), and urease (UA) activities, microbial biomass ca...

This study aimed to prepare, characterize, and investigate nitrogen (N) release pattern of urea-impregnated biochar (UB), hydrochar (UH), zeolite (UZ) as carriers, and urea-hydroxyapatite nanohybrids (U-HAP) in water and a calcareous waterlogged soil. The results indicated that the urea had interactions with carriers and hydroxyapatite nanorods whi...

In recent years, the production and application of biofertilizers have been increased in the country, so main goal of this experiment was comparison of the common biofertilizers in Iran. Accordingly, in order to investigate the effects of four biofertilizers including Nitroxin, Super nitro plus, Biosuper phosphate and Barvar2 on shoot fresh and dry...

Recently it was observed that the probability distribution of the price return in S\&P500 can be modeled by $q$-Gaussian distributions, where various phases (weak, strong super diffusion and normal diffusion) are separated by different fitting parameters (Phys Rev. E 99, 062313, 2019). Here we analyze the fractional extensions of the porous media e...

This paper is devoted to the recent advances in self-organized criticality (SOC), and the concepts. The paper contains three parts; in the first part we present some examples of SOC systems, in the second part we add some comments concerning its relation to logarithmic conformal field theory, and in the third part we report on the application of SO...

Novel adsorbents that remove P from contaminated waters can be potentially used as slow release P-fertilizers. In this study, Mg-Al layered double hydroxide (Mg-Al-LDH) and Mg-Al-LDH functionalized apple wood biochar and hydrochar were prepared to remove phosphate from aqueous solutions and then P-loaded LDH-biochar/hydrochar composites used as fer...

Novel adsorbents that remove P from contaminated waters can be potentially used as slow release P-fertilizers. In this study, Mg-Al layered double hydroxide (Mg-Al-LDH) and Mg-Al-LDH functionalized apple wood biochar and hydrochar were prepared to remove phosphate from aqueous solutions and then P-loaded LDH-biochar/hydrochar composites used as fer...

The desorption kinetics of Cd, Pb, and Zn was investigated as a function of sewage sludge amount (0, 10, and 30 g kg⁻¹), incubation time length (30 and 120 days) and plant cultivation (Mentha pipertia L.) using diffusive gradient in thin-film (DGT) technique. Kinetic parameters result of Cd, Pb, and Zn suggested that an increase in desorption rate...

The effects of 0, 15, 30 and 60 g kg-1 of sewage sludge exposed to gamma irradiation at doses of 0, 5, 10 and 20 kGy were investigated on macronutrients and sodium uptakes in the basil root and shoot. The results showed that the application of 15 and 30 g sewage sludge per kg soil increased the uptake of phosphorus, potassium, calcium, magnesium an...

Cocopeat is a cheap and easily available organic product. In this study, kinetics of hexavalent chromium [Cr(VI)] stabilization by cocopeat in three soils with different pH and organic carbon content, and the effects of influencing factors including ionic strength (0.03, 0.1 and 0.3 M KCl), temperature (10, 25 and 35 °C) and pH (5.2, 6.2 and 7.2) w...

Biochar and hydrochar are carbonacious solid materials that produced through carbonization of biomasses, resulting in carbon sequestration and soil fertility improvement. The aim of this study was converting different biomasses including sewage sludge, poultry manure, sugar beet tailing, wheat straw, and apple wood wastes to biochar and hydrochar a...

The two-dimensional (zero magnetic field) Ising model is known to undergo a second order para-ferromagnetic phase transition, which is accompanied by a correlated percolation transition for the Fortuin-Kasteleyn (FK) clusters. In this paper we uncover that there exists also a second temperature $T_{\text{eb}}<T_c$ at which the elastic backbone of F...

The dynamical properties of the invasion percolation on the square lattice are investigated with emphasis on the geometrical properties on the growing cluster of infected sites. The exterior frontier of this cluster forms a critical loop ensemble (CLE), whose length $(l)$, the radius $(r)$ and also roughness $(w)$ fulfill the finite size scaling hy...

The effluent and sludge samples collected at the Municipal Wastewater Treatment Plant of Southern Tehran were irradiated with doses of 5, 10 and 20 kGy using a ⁶⁰Co gamma source and without irradiation (control) in a completely randomized design with three replications. In the term of total and fecal coliforms load, the gamma ray was more effective...

We consider the condensate of $q$-deformed bosons as a model of dark matter. Our observations demonstrate that for all $q$ values, the system condenses below a $q$-dependent critical temperature $T^{q}_c$. The critical temperature interestingly tends to infinity when $q\rightarrow 0$, so that the $q$- deformed boson gas is always in the condensed p...

Purpose Silicon (Si) application shows beneficial effects on growth and salt tolerance of plants; however, its effects on the rice (Oryza sativa L. var. Hashemi) growth, superoxide dismutase (SOD) activity and concentrations of chlorophyll and proline have not been fully understood under different levels and sources of soil salinity. Methods In th...

Nutrients management can be an effective approach to enhance plant antioxidant defense system under heavy metals toxicity. A greenhouse experiment was conducted to examine the effects of the two– and three–way interactions of lead (Pb), zinc (Zn) and phosphorus (P) on the activity of catalase (CAT), peroxidase (POD) and superoxide dismutase (SOD) e...

We study the sandpile model on three-dimensional spanning Ising clusters with the temperature $T$ treated as the control parameter. By analyzing the three dimensional avalanches and their two-dimensional projections (which show scale-invariant behavior for all temperatures), we uncover two universality classes with different exponents (an ordinary...

Our study presents the analysis of stock market data of S&P500 before and after been detrended. The analysis is based on two types of returns, simple return and log-return respectively. Both of them are non-stationary time series. This means that their statistical distribution change over time. Consequently a detrended process is made to neutralize...

The spatial correlations in the host media on which the critical phenomena is defined have proved to be very important. Examples are self-avoiding walks on uncorrelated percolation and Ising-correlated percolation lattices (Cheraghalizadeh et al 2018 Phys. Rev. E. 97 042128). The effect of the correlations in the diluteness pattern in systems with...

Nutrient status of plants is determined by using critical nutrient range and nutrient ratios. The obtained data may not be generally error‐free due to the nature of compositional data is not taken into account Here, nutrient status of wheat (Triticum aestivum L.) in Entisols and Aridisols soils is investigated by isometric log ratio (ILR) technique...

Hydrochar is a carbonaceous solid material obtained from hydrothermal carbonization (HTC) of biomass and has received more attention as a potential agent for soil contaminants stabilization and soil improvement. Physical and chemical properties of hydrochar are affected by the feedstock nature and production processes (HTC temperature and reaction...

Introduction: Chemical fertilizers can supply all the nutrients required by plants, but their high consumptions cause environmental pollution and increased agricultural production costs. Organic fertilizers can improve the biological, physical, and chemical properties of soil and improve soil fertility and productivity. However, these fertilizers a...

Introduction Phosphorus (P) is an essential element for living organisms. Discharging P from various sources, such as industrial wastewater and agricultural waters, into surface water causes eutrophication and undermines the balance of aquatic ecosystems and imposes many costs due to water quality degradation. In addition, mineral resources of P-fe...

In this paper, we present an electronic avalanche model for the transport of electrons in the disordered two-dimensional (2D) electron gas which has the potential to describe the 2D metal–insulator transition (MIT) in the zero electron–electron interaction limit. The disorder is considered to be uncorrelated-Coulomb noise with a uniform distributio...

We analyze the Standard & Poor's 500 stock market index from the past 22 years. The probability density function of price returns exhibits two well-distinguished regimes with self-similar structure: the first one displays strong superdiffusion together with short-time correlations and the second one corresponds to weak superdiffusion with weak time...

Background: The increasing amount of sewage sludge (SS) and more legislative regulation of its disposal have stimulated the need for developing new technologies including gamma irradiation to recycle SS efficiently. Objective: To evaluate the effects of gamma irradiated and non-irradiated SS (SSGI and SSNI, respectively) on essential oil (EO) cont...

Irradiation of sewage sludge (SS) with gamma-ray is regarded as a promising alternative and rapid method for risk mitigation of this waste in ecosystems. The effects of 13 treatments (15, 30, and 60 g kg−1 of non-irradiated SS and irradiated with doses of 5, 10, and 20 kGy gamma-ray and soil without SS and irradiation as the control treatment) was...

Background and Objectives: Knowledge about the iron (Fe) critical level and plant response to application of Fe can effectively help to proper use of this element. Corn is used in human nutrition, poultry and livestock in pharmaceuticals, starch and alcohol and oil production. Because of the calcareous soils, low organic matter content, low solubil...

This research was conducted to evaluation of extraction methods for determining the available iron (Fe) and active Fe in corn plant (Zea mays L.) at 21 calcareous surface soil samples in the East Azerbaijan province. In a greenhouse experiment, corn plant single cross 704 cultivar has been cultivated with 3 replications. After 60 days, the plant gr...

Gamma irradiation is regarded as a promising alternative method for sewage sludge (SS) treatment. To evaluate the human health risk and effects of gamma irradiated and non-irradiated SS (SSGI and SSNI, respectively) on micronutrient and heavy metal concentrations in basil (Ocimum basilicum L.) as a test plant, a greenhouse experiment based on compl...

Following our earlier work on the perturbative thermodynamic geometry of nonextensive quantum and classical gases [H. Mohammadzadeh, F. Adli and S. Nouri, Phys. Rev. E 94 (2016) 062118], we study q-generalized Bose-Einstein, Fermi-Dirac and classical statistics nonperturbatively. We define q-generalized polylogarithm functions and evaluate thermody...

The advent of nanotechnology has led to new achievements in the different fields of science and technology. The minified size of materials under this technology discloses certain novel or hitherto ignored features and properties of these materials. It is true that nanotechnology has helped enhance certain features of fertilizers as evidenced by a n...

We investigate the condensation of a three dimensional nonextensive ideal Bose gas. We use the distribution function of nonextensive Bose statistics and define the q-generalized polylogarithm functions and obtain the internal energy, the particle number and some useful thermodynamics response functions for q≥1. We show that the discontinuity of the...

Heavy metal pollution has become one of the most serious environmental problems. The aim of this study was to achieve an efficient treatment process of effluents containing 1 mM copper (Cu²⁺) and cadmium (Cd²⁺) ions using a combination of gamma irradiation, methanol and TiO2 nanoparticles under different pH values. The results showed that in acidic...

Hydrochar is a carbonaceous solid material obtained from hydrothermal carbonization (HTC) of biomass that has received more attention as a potential agent for soil contaminants stabilization and soil improvement. The aim of this work was to convert biomasses including sewage sludge, poultry manure, beet pulp, wheat straw and wood wastes to hydochar...

Nitrification is one of the most active biological processes in the soils receiving ammonium nitrogen. The rate of this process is under the influence of several factors and their interactions. In this study, the effects of ammonium concentration and moisture content on the extent of nitrification in two soil samples named A (Loam) and B (Clay loam...

High porosity and specific surface area as well as excellent stability confirm that biochar and hydrochar can be used as matrices for stabilizing LDH flakes and creating LDH-biochar and LDH-hydrochar composites. Mg/Al-LDH functionalized biochar and hydrochar composites are environmentally friendly adsorbents for removal of phosphorus (P) from aqueo...

It is necessary to develop adsorbents that remove phosphorus (P) from contaminated water and then be used as P-fertilizer for surmounting the eutrophication and P-fertilizer exhausting challenges. In the present study, Mg/Al-LDH and Mg/Al-LDH functionalized apple wood biochar and hydrochar were prepared to remove of phosphate from aqueous solution...

In order to evaluate the effects of phosphorus (P), contamination of lead (Pb) and zinc (Zn) and soil waterlogging on extraction kinetics of the available P, Zn and Pb in a calcareous soil, an experiment was conducted as factorial on the basis of completely randomized design with two replications under laboratory conditions with four factors consis...

In order to evaluate the effects of phosphorus (P) fertilizer and contaminations of lead (Pb) and zinc (Zn) on root Pb, Zn and P concentrations, pyromorphite (Pb5(PO4)3Cl,F,OH)) formation in a calcareous soil, an experiment was conducted as factorial on the basis of completely randomized design with three replications under greenhouse and laborator...

The Gaussian free field (GFF) is considered in the background of random iso-height islands which is modeled by the site percolation with the occupation probability p. To realize GFF, we consider the Poisson equation in the presence of normal distributed white-noise charges, as the stationary state of the Edwards–Wilkinson model. The iso-potential s...

The statistical properties of the carrier density profile of graphene in the ground state in the presence particle-particle interaction and random charged impurity in zero gate voltage has been recently obtained by Najafi \textit{et al.} (Phys. Rev E95, 032112 (2017)). The non-zero chemical potential ($\mu$) in gated graphene has non-trivial effect...

The aim of this study was to determine the influence of sewage sludge (SLU) amendment on the desorption characteristics of zinc (Zn), lead (Pb), and cadmium (Cd) in contaminated calcareous soils. Three levels of SLU (0, 1, and 3% w/w) were added to the two calcareous contaminated soils. Samples were incubated for 30 days and equilibrated with 0.005...

Two experiments were carried out in 2013 and 2014, to investigate changes in grain filling rate (GFR), grain filling duration (GFD) and yield of mung bean in response to salicylic acid (SA) and silicon (Si) under salt stress (0, 3, 6 and 9 dS m ¡1). In experiment 1, four levels of SA (0, 0.5, 1 and 1.5 mM), but in experiment 2, two levels of SA (0...

A greenhouse experiment was conducted to assess the effects of magnetic field, arbuscular mycorrhizal fungi (AMF), and phosphorus (P) concentration in the nutrient solution (0, 5, 10, 20, or 40 mg L⁻¹) on the mobility and accumulation of P in soil and plant tissues of basil (Ocimum basilicum L.). The experiment was designed as a factorial combinati...

The self-avoiding walk on the square site-diluted correlated percolation lattice is considered. The Ising model is employed to realize the spatial correlations of the metric space. As a well-accepted result, the (generalized) Flory's mean-field relation is tested to measure the effect of correlation. After exploring a perturbative Fokker-Planck-lik...

This research was conducted in a greenhouse to evaluate the effects of exogenous application of salicylic acid (SA) (1 mM) and 6-benzylaminopurine (BAP) (50 μM) on physiological performance of faba bean (Vicia faba) under different levels of NaCl salinity (0, 4, 8 and 12 dS/m). The experiment was arranged as factorial on the bases of randomized com...

The statistical properties of the carrier density profile of graphene in the ground state in the presence particle-particle interaction and random charged impurity in zero gate voltage has been recently obtained by Najafi \textit{et al.} (Phys. Rev E95, 032112 (2017)). The non-zero chemical potential ($\mu$) in gated graphene has non-trivial effect...

The coupling of the $c=-2$, $c=\frac{1}{2}$ and $c=0$ conformal field theories are numerically considered in this paper. As the prototypes of the couplings, $(c_1=-2)\oplus (c_2=0)$ and $(c_1=-2)\oplus (c_2=\frac{1}{2})$, we consider the BTW model on the 2D square critical site-percolation and the BTW model on Ising-correlated percolation lattices...

The BTW sandpile model is considered on three dimensional percolation lattice which is tunned with the occupation parameter $p$. Along with the three-dimensional avalanches, we study the energy propagation in two-dimensional cross-sections. We use the moment analysis to extract the exponents for two separate cases: the critical ($p=p_c\equiv p_c^{3...

In many situations we are interested in the propagation of energy in some portions of a three dimensional system with dilute long-range links. In this paper sandpile model is defined on the three-dimensional small world network with real dissipative boundaries and the energy propagation is studied in three-dimensions as well as the two-dimensional...

Biochar is a solid stable carbonic material that produced from pyrolysis of organic matter and caused to carbon sequestration and soil physicochemical properties improvement. In this study a series of biochars were produced from sewage sludge, poultry manure, beet pulp, wheat straw, and apple wood waste by slow pyrolysis at 500 oC and some of their...

Population growth and the need for more food on the one hand and limited cultivable soils and declining their fertility on the other hand, led to further application of chemical fertilizers by human. Micronutrients are essential elements for plant growth often in small amounts. Availability of micronutrients is low in some calcareous soils of the w...

The self-organized criticality on the random fractal networks has many motivations, like the movement pattern of fluid in the porous media. In addition to the randomness, introducing correlation between the neighboring portions of the porous media has some nontrivial effects. In this paper, we consider the Ising-like interactions between the active...

Biochar is a carbon-rich organic material that is produced from the pyrolysis of organic matter under low or no oxygen. The unique physical and chemical properties of biochar distinguish it from other soil organic matter. Addition of biochar to soil can improve not only its physical properties such as specific surface area, water holding capacity,...

Climate change caused by increasing atmospheric concentration of CO2 due to fossil fuel combustion and land use change is one of the biggest challenges facing our modern world. Being a persistent and carbon-rich solid material, biochar remains stable for hundreds or even thousands of years in the environment. It can, thus, store carbon to mitigate...

Effect of Soil Phosphorus and Salinity Interaction on Agricultural Production

The lack of mobility and low solubility of Phosphorus (P), reduces availability of P fertilizer as it is fixed by soil P-compounds. An experiment was conducted to assay the effect of magnetic field (MF), arbuscular mycorrhiza fungi (AMF) and different level of P (0, 5, 10, 20, and 40 mg L -1 ) on mobility and status of P in soil and plants. The...

Abstract – For evaluating effects of lead (Pb) and zinc (Zn) pollutions, soil submergence and phosphorus (P) fertilizer on the kinetics of the extractable-P in a calcareous soil, an experiment was conducted as factorial on the basis of completely randomized design with two replications under laboratory conditions in 2016 with four factors of submer...

Mining activities pose a potential risk of metal contamination around mining sites. On May 6, 2010, a tailings dam failure of the Mazraeh copper mine near Ahar in East Azerbaijan province, Iran, released vast amounts of mine wastes. To better understand the magnitude of copper contamination in the waste-affected soils, it is important to assess the...

We investigated the effects of silicon (Si) and levels and sources of salinity on the growth and some physiological properties of wheat (Triticum aestivum cv. Chamran) in a sandy loam soil under greenhouse conditions. Treatments were comprised of four Si levels (8, 50, 100 and 150 mg kg⁻¹ soil), four salinity levels (0.46, 4, 8, and 12 dS m⁻¹) and...

With industrialization of countries and increasing concentrations of various pollutants in the environment, developing new technologies especially nuclear technology such as ionizing radiation has been proposed for removing of environmental pollutants. In development of new methods have both conditions economically feasible and environmentally frie...

Vegetable production by using of physical methods as a way to increase the quantity and quality of crops are considered. A greenhouse experiment was conducted to assess the effects of magnetic field (G), arbuscular mycorrhizal fungi (M) and phosphorus (P) concentration in the nutrient solution (0, 5, 10, 20 and 40 mg L-1) on the fresh weight, antio...

Background and Objective: Phosphorus (P), as one of the agricultural, industrial and urban wastewater pollutants, plays an important role in eutrophication of surface waters. Use of cationic sorbents for removal of anions including phosphate from aqueous environments is a well-known and effective method. Meanwhile, layered double hydroxides (LDHs)...

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