Effect of cow manure biochar on heavy metals uptake and translocation by zucchini (Cucurbita pepo L)

Eissa, Mamdouh A.

doi:10.1007/s12517-018-4191-1

Cited by 37 publications

(11 citation statements)

References 31 publications

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“…The foliar application of drip-irrigated onion grown under water stress with 9% of algal extract raised the uptake of N, P, and K by 116, 113, and 93% compared to the unsprayed plants. Reduction of water amount inside the plant causes a reduction in respiration rate and then the stomata close, and the transportation of water through the plant is declined (Wang et al 2012;Eissa 2019). Water and nutrient uptake by plant roots will minimize as a result of water transportation reduction (Warraich et al 2011).…”

Section: Discussionmentioning

confidence: 99%

Role of Marine Algae Extracts in Water Stress Resistance of Onion Under Semiarid Conditions

Almaroai

Eissa

2020

J Soil Sci Plant Nutr

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Availability of water for food production is a global concern; thus, increasing water productivity has been become a necessary. Deficit irrigation is a good strategy to increase water use efficiency, but it may affect negatively on plant physiology and crop productivity. Little is known about the effect of marine algae extracts on water stress resistance and yield of onion grown on semiarid regions. Therefore, field experiments were conducted in 2018 and 2019 growing seasons to study the effect of foliar application of marine alga (Amphora ovalis) extracts (at rate of 0, 3, 6 or 9%) on onion grown under normal irrigation (80% of available soil water) or water stress (50% of available soil water). The field experiments were laid out in a split-plot design with four replicates. The highest dose of algal extract sprayed on onion grown under water stress significantly (P < 0.05) increased N, P, and K uptake by 116, 113, and 93% compared to the unsprayed plants. The application of 9% algal extract for onion grown under water stress significantly (P < 0.05) increased the bulb yield by 67 and 102%, respectively, in 2018 and 2019 growing seasons. Water stress reduced the chlorophyll production as a result of directing most of plant's energy to produce water-resistant materials such as proline and phenols. Algal extract reduced the negative effects of water stress and caused significant increases in onion growth and yield.

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Section: Discussionmentioning

confidence: 99%

Role of Marine Algae Extracts in Water Stress Resistance of Onion Under Semiarid Conditions

Almaroai

Eissa

2020

J Soil Sci Plant Nutr

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“…Soil pH is extremely important for the activity and adsorption of toxic metals in the soil (Dinesh and Kumar 2006;Adhikari and Singh 2008;Choppala et al 2013;Azouzi et al 2015). Therefore, since most of these toxic metals are less soluble under alkaline conditions, increasing soil pH has become a common procedure for repairing heavy metal-contaminated soils (Adriano 2001;Eissa et al 2016;Eissa 2019;Almaroai and Eissa 2020). However, if the soil pH is too high it would cause dissolution of heavy metals.…”

Section: Discussionmentioning

confidence: 99%

Effects and Mechanism of Continuous Liming on Cadmium Immobilization and Uptake by Rice Grown on Acid Paddy Soils

Liu

Huang

Xiong-hui³

et al. 2020

J Soil Sci Plant Nutr

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Lime application is the most effective agricultural practice for the reduction of cadmium (Cd) bioavailability in acid soils. This study was conducted to investigate the impact of continuous liming across five consecutive growing seasons on the remediation of Cd in acid paddy soils, as well as rice yield. Two rice cultivars, i.e., Zhuliangyou 819 and Xiangwanxian 12, were cultivated in Cd-contaminated paddy soil for five consecutive growing seasons from 2014 to 2018. The investigated lime levels were 0, 450, 900, 1350, 1800, 2250, 3000, and 3750 kg ha −1. Lime application significantly increased rice yield, soil pH, exchangeable soil Ca 2+ , and rice calcium (Ca) contents; besides, it reduced soil and rice Cd contents. The application of lime at the rate of 1350-2250 kg ha −1 significantly increased rice yield. Under continuous liming, rice yield obviously increased first and then decreased with the cumulative application of lime. The application of a cumulative lime amount of 18,000 kg ha −1 was identified as the critical transition point of soil pH, soil Cd, and rice Cd content. Application of lime up to or above 3000 kg ha −1 per season reduced Cd content in brown rice below 0.20 mg kg −1. The results suggest that the reduction in effective Cd content might be a result of the combined action of exchangeable soil Ca 2+ and soil pH rather than being a direct effect of Ca 2+. Therefore, acid Cdcontaminated paddy fields can realize the safe production of rice by the continuous application of an appropriate amount of lime.

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“…The contaminated soil amended with biochar reduced the root-shoot translocation of toxic metals (Eissa 2019;Chen et al 2020). Furthermore, Albert et al (2021) found that the concentrations of toxic metals in roots and shoots were linearly and positively related, thus, Cd concentration reduction in root could result in decrease of shoot Cd concentration.…”

Section: Influence Of Different Types Of Biochar On CD and Pb Phytouptakementioning

confidence: 98%

“…Soil pH and toxicity of toxic metals are among factors controlling plant physiology and growth (Gentili et al 2018;Eissa 2019). The death of plants cultivated in Udult with mulberry and cinnamomum biochars and control can be related to both soil extreme acidic pH and toxicity of Cd and Pb.…”

Section: Plant Biomass Induced By Different Biocharsmentioning

confidence: 99%

Biochar and soil properties limit the phytoavailability of lead and cadmium by Brassica chinensis L. in contaminated soils

Houssou

Jeyakumar

Niazi

et al. 2022

Biochar

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The current study investigated the effect of biochars derived from cinnamomum woodchip, garden waste and mulberry woodchip on soil phytoavailable lead (Pb), cadmium (Cd) pools, and their uptake by Chinese cabbage (Brassica chinensis L.). The biochars were produced at 450 °C of pyrolysis temperature. The contaminated soils were collected from Yunfu (classified as Udept), Jiyuan (Ustalf) and Shaoguan (Udult) cities in China at the depth of 0–20 cm and amended with biochars at the rate of 3% w/w. After mixing the soil with biochar for 14 days, the Chinese cabbage was planted in the amended soils. Then, it was harvested on the 48th day after sowing period. In Udult soil, Chinese cabbage died 18 days after sowing period in control and soils amended with cinnamomum and mulberry biochars. Although only plants grown with the garden waste biochar treatment survived in Udult soil, amendment of garden waste or mulberry biochars at 3% w/w (450 °C) to Udult soil significantly increased (4.95–6.25) soil pH compared to other biochar treatments. In Udept and Ustalf soils, the application of garden waste and mulberry biochars significantly improved plant biomass compared to control, albeit it was dependent on both biochar and soil properties. Garden waste biochar significantly decreased soil Cd phytoavailable concentration by 26% in the Udult soil, while a decrease of soil Cd phytoavailable concentration by 16% and 9% was observed in Ustalf and Udept soils, respectively. The available phosphorus in biochar and soil pH were important factors controlling toxic metal phytouptake by the plant. Thus, the amendment of soil with biochar at 3% can effectively reduce the mobility of Cd and Pb in soil and plant uptake. However, biochar and soil properties should be well-known before being used for soil toxic metal immobilization.

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Effect of cow manure biochar on heavy metals uptake and translocation by zucchini (Cucurbita pepo L)

Cited by 37 publications

References 31 publications

Role of Marine Algae Extracts in Water Stress Resistance of Onion Under Semiarid Conditions

Role of Marine Algae Extracts in Water Stress Resistance of Onion Under Semiarid Conditions

Effects and Mechanism of Continuous Liming on Cadmium Immobilization and Uptake by Rice Grown on Acid Paddy Soils

Biochar and soil properties limit the phytoavailability of lead and cadmium by Brassica chinensis L. in contaminated soils

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