Characterisation of livestock biochars and their effect on selected soil properties and maize early growth stage in soils of Eastern Cape province, South Africa

Dzvene, Admire Rukudzo; Chiduza, C.; Mnkeni, P. N. S.; Peter, Prince Chinedu

doi:10.1080/02571862.2018.1536930

Cited by 14 publications

(12 citation statements)

References 41 publications

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“…Biochar is a carbon‐rich organic material having multiple benefits for soil such as increased available nutrients, improved soil chemical properties, as well water retention in saline sodic soil (Dzvene et al ., 2019; Hafez, Alsohim, et al ., 2019), improved soil quality by mending ESP through discharging the mineral nutrients, especially K + , Ca 2+ , and Mg 2+ . It was found that biochar is an applicable approach to counter water stress conditions thanks to the amelioration of soil hydrological conductivity (Omondi et al ., 2016; Yu et al ., 2017), which in turn get better plant physiological and biochemical responses.…”

Section: Discussionmentioning

confidence: 99%

Minimizing hazard impacts of soil salinity and water stress on wheat plants by soil application of vermicompost and biochar

Hafez

Omara

Alhumaydhi

et al. 2020

Physiologia Plantarum

107

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Soil water and nutrient status are two of the most important factors for plant development and crop yield. Vermicompost and biochar are supposed to amend soil attributes and increase the productivity. However, little is known about their mixture application on soil quality and nutrient uptake under natural conditions. The aim of this investigation was to understand the impact of soil amendments (control, vermicompost, biochar, and vermicompost + biochar) on yield, soil quality, physiological and biochemical attributes, as well as nutrient uptake of wheat plants grown at different irrigation water treatments (50%, 75%, and 100% of field capacity [FC]) in saline sodic soil. Vermicompost improved wheat growth and yield. Biochar-treated plants had higher growth performance and yield than control plants in all traits and than vermicompost in some cases, thus confirming its potential for enhancing soil quality and increasing nutrient uptake, which stimulates soil chemical properties. When vermicompost was added in combination with biochar, further enhancement in the

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Section: Discussionmentioning

confidence: 99%

Minimizing hazard impacts of soil salinity and water stress on wheat plants by soil application of vermicompost and biochar

Hafez

Omara

Alhumaydhi

et al. 2020

Physiologia Plantarum

107

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“…This agrees with the finding of [ 37 ]. Likewise, given that biochar plays a major role in decreased nutrient leaching, better soil physicochemical attributes in saline soils [ 38 ]; improves CEC by improving soil health. Application of biochar to the soil is considered a practical approach to decrease soil moisture content because of its properties to get better soil hydrological parameters [ 39 ], which in turn enrich plant physiological and biochemical responses.…”

Section: Discussionmentioning

confidence: 99%

“…This could be owing to the defensive impact of SA, which may boost photosynthesis and the nutrient uptake under deficit irrigation in saline sodic soil [ 37 ]. Singular biochar treatment could decrease the soil bulk density and increase soil surface area owing to its porous structure, leading to increasing the capability to uptake and hold water [ 38 ]. Furthermore, [ 40 ] affirmed that biochar possibly increases soil aggregate stability and therefore increases soil water holding under water deficit.…”

Section: Discussionmentioning

confidence: 99%

Differences in Physiological and Biochemical Attributes of Wheat in Response to Single and Combined Salicylic Acid and Biochar Subjected to Limited Water Irrigation in Saline Sodic Soil

Hafez

Kheir

Badawy

et al. 2020

Plants

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Given the expectancy of the water supply becoming scarce in the future and more expensive, water conservation during wheat production processes has become very crucial especially in saline sodic soil. Biochar and salicylic acid (SA) were used to assess the potential to alleviate the influences of depletion of available soil moisture (DAM) on physicochemical, physiological, biochemical attributes, as well as wheat production absorption (Triticum aestivum L. cv. Misr 1) and macro-elements. Two seasons (2018/2019 and 2019/2020) of field trials were investigated using twelve combinations of three water treatments (50%, 70%, and 90% DAM) and foliar- and soil-applied treatments (control, biochar, salicylic acid, and biochar + SA). Biochar treated plots amplified soil physicochemical attributes, leading to improved physiological traits and antioxidant enzymes, as well as yield related traits under water limitation conditions in both years. Similarly, synergistic use of biochar and salicylic acid greatly augmented the designed characteristics such as chlorophyll a, b, K+ content, relative water content (RWC), stomatal conductance, photosynthetic rate, and intrinsic water use efficiency, whilst exhibited inhibitory effects on proline content, electrolyte leakage, Na+ content SOD, POX, CAT, and MDA, consequently increased 1000-grain weight, number of grains spike−1, grain yield, as well nutrient uptake (N, P, K) under water limitation condition in both years, followed by treatment of sole biochar or SA compared to unamended plots treatment (control). Wheat productivity achieved further increasing at 70% DAM alongside synergistic use of biochar and SA which was on par with 50% DAM under unamended plots (control). It is concluded from the findings that coupled application of biochar alongside salicylic acid accomplished an efficient approach to mitigate the injurious influences of water limitation, along with further improvement of the soil, physiology, biochemical attributes, and wheat yield, as well nutrient uptake, under saline sodic soil.

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“…Biochar is a carbon-rich organic additive and having manifold benefits for soil such as reduced nutrient leaching, better soil physical, and chemical and microbiological properties in contaminated soils (Dzvene et al 2019;Ijaz et al 2019) enhances CEC by improving soil health. Biochar has found to be a viable approach to drought soils due to its properties to improve soil hydrological properties (Omondi et al 2016;Yu et al 2017) which in return improve plant physiological and biochemical response.…”

Section: Discussionmentioning

confidence: 99%

Interactive Effect of Biochar and Silicon on Improving Morpho-Physiological and Biochemical Attributes of Maize by Reducing Drought Hazards

Sattar

Sher

Ijaz

et al. 2020

J Soil Sci Plant Nutr

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Maize (Zea mays L.) is one of the most important food and feed cereals of the world, but its production is threatened by sudden climate change especially drought. While, low organic matter in soils increases the drought severity. Therefore, study was planned to investigate the interactive effect of biochar and silicon (Si) nutrition on morpho-physiological and biochemical traits under water-deficit environment. Drought stress was applied subsequent 15 days of seedlings development. Experimental treatments comprised of CK (controlled soil no drought stress nor amended), only drought (40% water holding capacity (WHC)), drought + Si (40% WHC with 100 mg Si kg −1 soil), drought + biochar (40% WHC with 4 t ha −1), and drought + Si + biochar (40% WHC + 100 mg Si kg −1 soil +4 t ha −1). Data were collected after 15 days of treatment application. Drought reduced the growth of maize seedlings by reducing shoot biomass (38%), seedling weight (37%), photosynthetic rate (29%), transpiration rate (28.7%), and relative water contents (23.8%) and increased the activities CAT (30%), SOD (38.5%), and POD (33%). The positive effect of sole application of biochar and silicon was observed in improving physio-biochemical traits. In addition, better results were obtained with combined application of biochar and Si in enhancing maize growth such as shoots (25%), roots (40%), and seedlings (27%) as compared with drought. Combined application of biochar and Si may be a viable option to alleviate adversities of drought stress for maize growth and development.

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Characterisation of livestock biochars and their effect on selected soil properties and maize early growth stage in soils of Eastern Cape province, South Africa

Cited by 14 publications

References 41 publications

Minimizing hazard impacts of soil salinity and water stress on wheat plants by soil application of vermicompost and biochar

Minimizing hazard impacts of soil salinity and water stress on wheat plants by soil application of vermicompost and biochar

Differences in Physiological and Biochemical Attributes of Wheat in Response to Single and Combined Salicylic Acid and Biochar Subjected to Limited Water Irrigation in Saline Sodic Soil

Interactive Effect of Biochar and Silicon on Improving Morpho-Physiological and Biochemical Attributes of Maize by Reducing Drought Hazards

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