Search Results - "Hardie, Ailsa G."

Mechanisms of Cd immobilization in contaminated calcareous soils with different textural classes treated by acid- and base-modified biochars by Boostani, Hamid Reza, Hosseini, Seyed Mashaallah, Hardie, Ailsa G.

“…Acid or base modification of biochars has shown promise for enhancing the immobilization of potentially toxic elements (PTEs) such as cadmium (Cd) in…”
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The effect of soil moisture regime and biochar application on lead (Pb) stabilization in a contaminated soil by Boostani, Hamid Reza, Hardie, Ailsa G., Najafi-Ghiri, Mahdi, Khalili, Dariush

“…Soil application of biochars has been shown to effectively immobilize potentially toxic elements (PTEs). Soil water regime can also affect PTE availability. No…”
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Investigation of interaction effects of biochars and silicon on growth and chemical composition of Zea mays L. in a Ni-polluted calcareous soil by Boostani, Hamid Reza, Hardie, Ailsa G., Najafi-Ghiri, Mahdi, Bijanzadeh, Ehsan

“…Biochars are cost effective, carbonaceous amendments that can immobilize potentially toxic elements (PTEs) in soils. Application of silicon (Si) has been shown…”
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Production of char from vacuum pyrolysis of South-African sugar cane bagasse and its characterization as activated carbon and biochar by Carrier, Marion, Hardie, Ailsa G., Uras, Ümit, Görgens, Johann, Knoetze, Johannes (Hansie)

“…► Vacuum pyrolysis has the potential to produce high quality chars from sugarcane bagasse for wastewater treatment and soil amendment with no further upgrading…”
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Soil water dynamics and biomass production of young rooibos (Aspalathus linearis) plants by van Schalkwyk, Roeline, Hoffman, J. Eduard, Hardie, Ailsa G., van Zyl, Johan L.

“…Rooibos ( Aspalathus linearis ) is endemic to certain regions of the Western- and Northern Cape of South Africa, where it is also commercially grown. Being…”
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Extent of Soil Acidity in No-Tillage Systems in the Western Cape Province of South Africa by Liebenberg, Adriaan, van der Nest, John Richard (Ruan), Hardie, Ailsa G., Labuschagne, Johan, Swanepoel, Pieter Andreas

“…Roughly 90% of farmers in the Western Cape Province of South Africa have converted to no-tillage systems to improve the efficiency of crop production…”
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Characterisation, adsorption and desorption of ammonium and nitrate of biochar derived from different feedstocks by Aghoghovwia, Makhosazana P., Hardie, Ailsa G., Rozanov, Andrei B.

“…Biochar is known to be a highly adsorptive material, especially when the biochar is altered by activation to further increase its sorption ability. Little…”
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Characterization of clay and nanoclay extracted from a semi-arid Vertisol and investigation of their carbon sequestration potential by Sadri, Niloofar, Baghernejad, Majid, Ghasemi-Fasaei, Reza, Moosavi, Ali Akbar, Hardie, Ailsa G.

“…Mitigation of global climate change by means such as soil carbon (C) sequestration has become an important area of research. Soil organic matter (SOM) that is…”
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Comparative Study of Individual and Combined Application of Humic Acid, Wood Vinegar, and Biochar on Soil Zn Chemical Fractions and Its Uptake by Sour Orange (Citrus aurantium L.) Seedlings by Boostani, Hamid Reza, Hardie, Ailsa G., Najafi-Ghiri, Mahdi, Mirsoleimani, Abbas, Amin, Hossein

“…The addition of organic materials in arid and semi-arid regions not only improves the physicochemical and biological characteristics of the soil but also…”
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Chemical speciation and release kinetics of Ni in a Ni-contaminated calcareous soil as affected by organic waste biochars and soil moisture regime by Boostani, Hamid Reza, Hardie, Ailsa G., Najafi-Ghiri, Mahdi, Zare, Morteza

“…Biochars vary widely in properties and have been shown to have variable effects on potentially toxic element(s) stabilization in soil. This is the first study…”
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Simple and Multivariate Linear Regression Models for pH Conversion Between Measurement Techniques by Nel, Teneille, Hardie, Ailsa G., Clarke, Catherine E.

“…Conversions of soil pH values between different methods are required for the standardization of data from international scientific literature, soil test…”
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Investigation of biochars application on potassium forms and dynamics in a calcareous soil under different moisture conditions by Najafi-Ghiri, Mahdi, Boostani, Hamid Reza, Hardie, Ailsa G.

“…Biochar due to its high K content may affect K forms and dynamics. The effect of biochars produced from licorice root pulp, municipal waste and cow manure at…”
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Chemical fractions, mobility and release kinetics of Cadmium in a light-textured calcareous soil as affected by crop residue biochars and Cd-contamination levels by Boostani, Hamid Reza, Hardie, Ailsa G., Najafi-Ghiri, Mahdi

“…The aim of this study was to examine the effect of maize straw biochar (MSB), cotton residue biochar (CRB) and wheat straw biochar (WSB) application (1.5% wt.)…”
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Stabilization of carbon through co-addition of water treatment residuals with anaerobic digested sludge in a coarse textured soil by Lukashe, Noxolo S., Stone, Wendy, Pereira, Ryan, Trojahn, Sara, Hardie, Ailsa G., Johnson, Karen L., Clarke, Catherine E.

“…Coarse textured soils have low potential to store carbon (C) due to lack of mineral oxides and have low clay content to protect C from biodegradation and…”
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Release of potassium from some heated calcareous soils to different solutions by Najafi-Ghiri, Mahdi, Boostani, Hamid Reza, Hardie, Ailsa G.

“…Top soil burning may occur in shifting cultivation in hills, forest fire or burning of agricultural straw. It may affect the mechanisms of potassium (K)…”
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Effect of Lime Source, Fineness and Granulation on Soil Permeation with Contrasting Textures under Simulated Mediterranean Climate Rainfall Conditions by du Toit, Dawid J.J., Swanepoel, Pieter A., Hardie, Ailsa G.

“…Granulated micro-fine limes have recently been introduced as liming materials which are purportedly more effective than conventional agricultural limes in…”
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Nickel Immobilization in a Contaminated Calcareous Soil with Application of Organic Amendments and Their Derived Biochars by Boostani, Hamid Reza, Najafi-Ghiri, Mahdi, Hardie, Ailsa G.

“…Nickel (Ni) contamination of soils is an ever-increasing problem due to use of poor quality irrigation water and other industrial activities. The aim of this…”
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Effect of Organic Residues and Their Derived Biochars on the Zinc and Copper Chemical Fractions and Some Chemical Properties of a Calcareous Soil by Boostani, Hamid Reza, Hardie, Ailsa G., Najafi-Ghiri, Mahdi

“…Addition of more resistant organic materials, such as biochars, to soils not only enhances soil C sequestration but also can also benefit soil fertility. The…”
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Determination of foliar nutrient sufficiency ranges in cultivated rooibos tea using the boundary-line approach by Smith, Jacobus FN, Hardie, Ailsa G

“…Despite the global importance of rooibos tea (Aspalathus linearis (Burm.f.) R.Dahlgren) as a health-promoting crop, foliar nutrient sufficiency ranges have not…”
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Comparison of the effectiveness of mined and by-product South African gypsums and other calcium sources for soil sodicity remediation by du Plessis, Marina, Swanepoel, Pieter A, Hardie, Ailsa G

“…Studies evaluating the effectiveness of South African gypsum sources are scarce or outdated because of newly introduced products, such as granulated and liquid…”
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