نتایج جستجو برای: humic acid spraying with 200
تعداد نتایج: 9509875 فیلتر نتایج به سال:
Humic acid and fulvic acid are natural and organic materials, which are derived from various sources such as soil organic matter (humus), soil, peat, oxidized lignite and coal. In order to evaluate the effect of humic substances on physiological characteristics of two ornamental plants of granium (Plargonium spp.) and scindapsus (Scindapsus spp.), an experiment was conducted as 4×4 factorial, b...
the adsorption thermodynamic characteristic of cu2+ from aqueous solution onto humin andalso humic acid from a typical black soil in northeast china were examined at three different temperatures(298, 318 and 338 k) by batch isotherm experiments. results showed that humin was structurally differentfrom humic acid. the increase of temperature had a positive effect on the adsorption process. freun...
Vermitechnology is an effective composting method, which transforms biomass into nutrient-rich organic fertilizer. Mature vermicompost is a renewable organic product containing humic substances with high biological activity. The aim of this study was to assess the chemical characteristics and the bioactivity of humic acids isolated from different vermicomposts produced with either cattle manure...
Background: Natural organic matters (NOMs) have the main role in formation of trihalomethanes. These compounds are in natural water sources due to biological activities. In the presented study, adsorption and separation of humic acid as an index of natural organic matters using multi-walled carbon nanotubes is evaluated. Methods: The experiments were carried out in bath adsorption reactors wit...
In order to investigate the effects of sulfuric acid, humic acid and potassium nitrate foliar spraying on quantitative and qualitative of marigold a field trial was conducted in Ramin Agriculture and Natural Resources University of Khuzestan, Iran in 2015-2016. This study was carried out using a split factorial experiment in a randomized complete block design with four replications. Treatments ...
Introduction: The most important affect of natural organic matters in water is their reaction with chlorine and producing of disinfection byproducts that are carcinogenic. Humic acid is most common natural organic materials of surface water. Advanced oxidation processes (AOPs) are methods for the removal of organics from aqueous solutions. Application of electron beam radiation is one of these ...
Background and Objective: Humic substances in drinking water react with chlorine and form carcinogenic compounds. Humic acid is a principal component of humic substances and its separation from surface waters is crucial. Adsorption process is among different methods for separation of humic acid from surface waters and because of its simple and economical nature it has attracted considerable att...
existence of acid humic in water resources is undesirable and causes carcinogenic component in disinfection process due to reaction with chlorine. due to their cost-effectiveness and higher physical resistance than activated carbon, natural zeloites are used for removing various pollutants. . in the present study, iranian natural zeolite modified with cetylpyridinium bromide (cpb) was investiga...
To investigate the effects of chemical, organic and biological fertilizers application on the quantitative and qualitative characteristics of seedless barberry (Berberis vulgaris cv. Asperma) an experiment was conducted as split plot randomized complete block design with three replications in commercial garden in Qaen during 2016. Main-treatments comprised four application type of fertilizer (1...
In this study effect of irrigation managements including irrigation after 100 and 200 mm pan evaporation as normal and deficit irrigation respectively was investigated in Roselle plants. Effects of humic acid (including 0 and 4 kg ha-1) and mycorrhizal inoculants (including Glomus versiforme (GV) and Rhizophagus irregularis (RI)) were also studied on growth, yield and mycorrhizal symbiosis inde...
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