Soil Conservation for Mitigation and Adaptation to a Changing Climate: Sustainable Solutions in the Nigerian Savanna Ecology

Chidowe, Odunze Azubuike

doi:10.9734/ijpss/2015/19628

Cited by 3 publications

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“…Generally the slight increase in SO4 -2 and PO4 -3 across species remediated soils and with 1.5% levels of Peltophorum soil for Cland NO3was observed in Peltophorum treated soils with higher content among the macrophytes and with a corresponding positive correlation (r = 0.65; r = 0.45; r = 0.30; P<0.05) in the order Pp> Cr>Ll for Cl -; positive correlation (r = 0.75; r = 0.55; r = 0.40; P<0.05) in the order Pp>Cr>Ll for NO3 -; with positive correlation (r = 0.55; r = 0.46; r = 0.35; P<0.05) in the order Pp>Ll>Cr for SO4 -2 , while a positive correlation (r = 0.05; r = 0.38; r = 0.25; P<0.05) order of Pp>Ll>Cr was recorded for PO4 -3 content. The dynamics of the anions either in a decreasing or increasing order among the phytoremediated soils have also been discussed in Odunze et al (2015), Anna et al (2020);Edwin-Wosu and Nkang (2019b). The salinity of the phytoremediated soil has recorded increased variation at increasing levels of remediated soils with C. retusa treated soil recording higher salinity across the species soil in the order Cr>Pp>Ll with corresponding positive correlation (r = 0.38; r = 0.20; r = 0.10; P<0.05) respectively.…”

Section: Discussionmentioning

confidence: 99%

Phytorestoration Potential of Hydrocarbon-Induced Physicochemical Changes in Parts of Nigeria Eastern Niger Delta Waste oil Polluted Soil

Nsirim

Nkang

2021

Journal of Environmental Sciences. Mansoura University

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Many fundamental questions concerning the indiscriminate disposal of automobile effluent as a major non-point source of oil pollution, it induced impact and changes in soil physiochemical properties the application of phytotechnology remain unanswered in parts of eastern Niger Delta. This study was aimed at evaluating the phytoremediation potency of Peltophorum pterocarpum, Leucaena leucocephala, and Crotolaria retusa (Fabaceae family) with the objectives of quantifying the changes in the physicochemical properties of the soil under polluted and phytoremediated condition. The methodology adopted involved universally accepted ecological field and laboratory standards. Result revealed increased anionic content of nitrate (9.98±1.84mg/g) and phosphate (0.32±0.07mg/g), decreased chloride (0.01±0.00mg/g) and sulphate (1.82±0.30mg/g) in polluted condition, but increased across remediated soils with Peltophorum soil highest in content. Cations decreased under pollution, increased in remediated soils with magnesium (69.26±0.08mg/g) and potassium (17.40±7.05mg/g) higher in Crotolaria, calcium (187.87±0.45mg/g) in Peltophorum and sodium (6.38±1.01mg/g) in Leucaeana soils. Decreased pH (5.46±0.17), moisture (18.70±2.05%), clay (11.53±0.74%), silt (7.20±2.01%), particle density (2.49±0.05g/cm) and porosity (51.34%) decrease across pollution were recorded but increased among species treated soils with Peltophorum soil higher in restoration. The increased sand particle (81.60±2.43%), organic matter (3.15±0.43%), bulk density (1.21±0.09g/cm), oil & grease (1.52±0.32mg/g), Total hydrocarbon (3.97±0.26mg/g) and electrical conductivity (24.30±2.62µS/cm) in pollution, decreased in Peltophorum soil among species treatment with significant difference (P<0.05). The species in view of their variant tolerance to hydrocarbon and potency can thus be suggested as an integral part of remediation measure to soil environmental decontamination.

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Section: Discussionmentioning

confidence: 99%

Phytorestoration Potential of Hydrocarbon-Induced Physicochemical Changes in Parts of Nigeria Eastern Niger Delta Waste oil Polluted Soil

Nsirim

Nkang

2021

Journal of Environmental Sciences. Mansoura University

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Assessment of Impact of Land Uses on Soil Carbon Stock and Quality

Jimoh,

Aliyu

2024

Sustainable Development and Biodiversity

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Tillage, <i>Desmodium intortum</i>, Fertilizer Rates for Carbon Stock, Soil Quality and Grain Yield in Northern Guinea Savanna of Nigeria

Chidowe¹,

Blessing²,

Olalekan³

et al. 2019

AJCC

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Northern Guinea Savanna of Nigeria soils are continuously and intensively cultivated, resulting in soil quality degradation, carbon stock depletion, accelerated soil erosion and soil nutrient depletion. Effects of land use change on soil carbon stocks (SOC) are of concern regarding greenhouse gas emissions mitigation and sustainable crop production, because there is a need for food sufficiency while conserving the environment. Also, managing soils under intensive use and restoring degraded soils are top priorities for a sustained agronomic production while conserving soil and water resources. Hence, this study; "Tillage, Desmodium intortum, fertilizer rates for carbon stock, soil quality and grain yield in Northern Guinea Savanna" is aimed at devising possible mitigating measures for soil quality degradation, carbon stock depletion and impoverished crop yields using Zea mays as test crop. The study was a Randomized Complete Block Design (RCBD) in split-split plot arrangement with four replicates. The four main tillage and Desmodium intortum combination treatments were: 1) Maize − without Desmodium + Conventional tillage (MC), 2) Maize + Desmodium live-mulch incorporated and relayed + Conservation tillage (MDIC), 3) Maize + Desmodium in no-tillage system (MDNT), 4) Maize + Desmodium in strip tillage (MDST). The main treatment plots were each divided to accommodate four (4) rates of N (60, 80, 100 and 120 kg•ha −1) as sub plots, while the N rate plots were further divided to accommodate three (3) rates of P (6.6, 13.2, and 26.4 kg•ha −1) as sub-subplots. Findings support that Desmodium intercrops with Maize treatments (MDIC, MDNT, and MDST) resulted in increased organic carbon contents in 2013, with MDNT resulting in significantly higher organic carbon content (7.37 g•kg −1 in 2012 and 8.37 g•kg −1 in 2013) than the other treatments. Also, zero

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Soil Conservation for Mitigation and Adaptation to a Changing Climate: Sustainable Solutions in the Nigerian Savanna Ecology

Cited by 3 publications

References 0 publications

Phytorestoration Potential of Hydrocarbon-Induced Physicochemical Changes in Parts of Nigeria Eastern Niger Delta Waste oil Polluted Soil

Phytorestoration Potential of Hydrocarbon-Induced Physicochemical Changes in Parts of Nigeria Eastern Niger Delta Waste oil Polluted Soil

Assessment of Impact of Land Uses on Soil Carbon Stock and Quality

Tillage, <i>Desmodium intortum</i>, Fertilizer Rates for Carbon Stock, Soil Quality and Grain Yield in Northern Guinea Savanna of Nigeria

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Soil Conservation for Mitigation and Adaptation to a Changing Climate: Sustainable Solutions in the Nigerian Savanna Ecology

Cited by 3 publications

References 0 publications

Phytorestoration Potential of Hydrocarbon-Induced Physicochemical Changes in Parts of Nigeria Eastern Niger Delta Waste oil Polluted Soil

Phytorestoration Potential of Hydrocarbon-Induced Physicochemical Changes in Parts of Nigeria Eastern Niger Delta Waste oil Polluted Soil

Assessment of Impact of Land Uses on Soil Carbon Stock and Quality

Tillage, &lt;i&gt;Desmodium intortum&lt;/i&gt;, Fertilizer Rates for Carbon Stock, Soil Quality and Grain Yield in Northern Guinea Savanna of Nigeria

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Tillage, <i>Desmodium intortum</i>, Fertilizer Rates for Carbon Stock, Soil Quality and Grain Yield in Northern Guinea Savanna of Nigeria