Available and total forms of copper and zinc in basaltic soils of the Nigerian Savanna

Kparmwang, T.; Esu, I. E.; Chude, V. O.

doi:10.1080/00103629809370107

Cited by 10 publications

(5 citation statements)

References 8 publications

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“…In the second year, application of each treatment increased Zn status significantly, with the highest increment of 0.75 mg/kg being gotten from 10 t/ha of fertiplus application. This agrees with findings of Kparmwang et al [54]; Mustapha and Singh [55], who reported that organic matter serves as the main reservoir of plant available zinc in Nigeria savanna soils in view of the small amount of clay content. The second year increment in Zn status from the organo-minerals application was due to the residual effect of the organic fertilizers.…”

Section: Influence Of Organic and Inorganic Amendments On Micronutrientssupporting

confidence: 92%

Influence of Organic and Inorganic Soil Amendments on Soil Moisture Content and Micronutrients

Kago

Kinyua

Maingi

et al. 2019

IJPSS

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Aims: This study was carried out to evaluate the influence of organic and inorganic soil amendments on soil moisture content and micronutrients in semi and arid areas. Methodology: The study was laid out as randomized complete block design (RCBD) in split plot arrangement for two seasons. The treatments were ChalimTM, Super-hydro-grow polymer and Metham sodium, Metham sodium, Metham sodium + Orange peel, Super-hydro-grow polymer, Control, Brassica tissue, ChalimTM + Super-hydro-grow polymer, Brassica tissue + Orange peel and Metham sodium + Super-hydro-grow polymer. Soils were sampled from each experimental site, dried and taken to laboratories for determination of Zinc, Iron, Manganese and copper both at initial and at the end of the experiment using a SpectrAA- 40 atomic absorption spectrometer, PSC-56 programmable sample changer. Moisture content was calculated by subtracting total dry soil plus Petri dish weight from total wet soil plus Petri dish weight. Calculated moisture content was recorded in all samples across the two seasons for analysis. Results: There was a significant difference (p≤0.05) in the treatment effect on soil moisture content in except for MS and CM+OP in both season one and season two in the green house. A combination of both organic and inorganic soil amendments like BT+OP, BT+ SHG had the highest moisture content. There was significant difference (p≤0.05) in the soil amendments effect on the amount of Micronutrients in the beginning and end of the experiement. Conclusion: Through this study, it was realized significant difference (p≤0.05) in the soil amendments effect on soil moisture content in all the treatment in both seasons. BT +SHG soil amendment was superior in maintaining soil moisture content in both season 1 and 2. It is therefore recommended that Metham sodium should not be applied in very dry soil to avoid reduction of the moisture content. There was micronutrient increment in all the treatments. BT+ SHG was superior soil amendment in increment of micronutrients.

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Section: Influence Of Organic and Inorganic Amendments On Micronutrientssupporting

confidence: 92%

Influence of Organic and Inorganic Soil Amendments on Soil Moisture Content and Micronutrients

Kago

Kinyua

Maingi

et al. 2019

IJPSS

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“…Higher levels of Zn and Cu in the unburned plot might be due to lower pH values, as acidity increases the availability of these elements. The same happens with Fe, Al and Mn (Malavolta et al 1977;Kparmwang et al 1998;Cakmak 2008). Both in the wet and dry seasons, pH showed negative correlations with potential acidity, Cu, Fe, Zn, Mn and organic matter and positive correlations with K, Ca, Mg.…”

Section: Discussionmentioning

confidence: 64%

Effect of fires on soil nutrient availability in an open savanna in Central Brazil

et al. 2010

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Fire is common in savannas but its effects on soil are poorly understood. We analyzed long-term effects of fire on surface soil of an open Brazilian savanna (campo sujo) in plots submitted to different fire regimes during 18 years. The five fire regimes were: unburned, quadrennial fires in middle dry season, and biennial fires in early, middle or late dry season. Soil was collected during the wet and the middle dry season of 2008, and analyzed for pH, organic matter, total N, potential acidity, exchangeable cations and available P, S, Mn, Cu, Zn and Fe. We applied multivariate analysis to search for patterns related to fire regimes, and to local climate, fuel, and fire behavior. Spearman test was used to establish correlations between soil variables and the multivariate analysis gradient structure. Seasonal differences were tested using ttest. We found evidence of long-term fire effects: the unburned plot was segregated mainly by lower soil pH; the quadrennial plot was also segregated by lower soil pH and higher amount of exchangeable cations; the time of burning during the dry season in biennial plots did not significantly affect soil availability of nutrients. Differences in elements amounts due to the season of soil sampling (wet or dry) were higher than due to the effect of fires. Higher availability of nutrients in the soil during the wet season was probably related to higher nutrient inputs via rainfall and higher microbial activity.

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“…These have resulted in the manifestation of the deficiencies of micronutrients on crops and in soils in many parts of the world (Sims and Johnson, 1991). In Nigeria, the deficiencies of micronutrients have started manifesting, due to reduction in length of fallowing, intensification of cropping on limited land available for farming, planting of crop varieties with high nutrients requirement and the use of high-analysis fertilizers with little or no micronutrients (Kparmwang et al, 1998;Adeboye, 2011).…”

Section: Introductionmentioning

confidence: 99%

Optimum application levels of nitrogen and zinc for maize (Zea Mays L.) production at Abaji, Federal capital territory, Nigeria

Olowookere¹,

T²,

Salihu³

et al. 2020

GSC Adv. Res. Rev.

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Efficient utilization of Nutrient will help boost crop yield in the face of rapidly increasing population and food insecurity. This study evaluates the effects of varying nitrogen and zinc rates on growth and yield of maize in Abaji, Federal Capital Territory of Nigeria. Four Nitrogen levels (0 kg N/ha, 40 kg N/ha, 80 kg N/ha and 120 kg N/ha) were evaluate with two Zinc levels (0 kg Zn/ha and 2 kg Zn/ha). The experimental factors were combined with a Factorial in Randomized Complete Block Design (RCBD). Nitrogen was applied as Urea while Zn was applied with Zinc Sulphate (ZnSO4). Phosphorous was applied with Single Super Phosphate (SSP) at the rate of 60 kg P2O5/ha and potassium was supplied with Muriate of Potash (MOP) at 60 kg K2O/ha. Result shows that Nitrogen application rate of 80 kg N/ha gave the optimum yield in the study area and was recommended for adoption along with other sustainable soil nutrient management practices.

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Available and total forms of copper and zinc in basaltic soils of the Nigerian Savanna

Cited by 10 publications

References 8 publications

Influence of Organic and Inorganic Soil Amendments on Soil Moisture Content and Micronutrients

Influence of Organic and Inorganic Soil Amendments on Soil Moisture Content and Micronutrients

Effect of fires on soil nutrient availability in an open savanna in Central Brazil

Optimum application levels of nitrogen and zinc for maize (Zea Mays L.) production at Abaji, Federal capital territory, Nigeria

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