A Study on Effects of Soil Physico-Chemical Properties on Cocoa Production in Ondo State

Ajayi, I. R.; Ololade, Isaac Ayodele; Gbadamosi, Emmanuel Alaba; Mohammed, Muraina Z.; Sunday, Ayodeji Gabriel

doi:10.5539/mas.v4n5p35

Cited by 9 publications

(4 citation statements)

References 15 publications

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“…Maximum of the soil samples were falling under low category (<22.4 kg ha -1 ). this may be due to low amount of organic matter in soils or lack of sulphur addition through sulphur containing fertilizers, continuous removal of sulphur by crops and use of high analysis complex fertilizers without sulphur" [29].…”

Section: Available Sulphurmentioning

confidence: 99%

Assessment of Soil Fertility Status of the Soils of KVK -Muzaffarnagar, Uttar Pradesh, India

Palani Renuka K,

Kumar,

Shahi

et al. 2024

IJPSS

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The present study was undertaken to assess the soil fertility status of the soils of KVK Muzaffarnagar. Soil samples were collected from two depths viz., 0-15 cm and 15-30 cm and analysed for various soil properties. Results revealed that soils were sandy loam in texture, neutral to slightly alkaline in reaction, non-saline and low in soil organic carbon content. Mean values of CEC, SOC, available nitrogen, available phosphorus, available potassium and available sulphur were 11.22 and 9.62 C mol (p+) kg-1, 0.17 and 0.13 g kg-1, 260.16 and 208.14 kg ha-1, 30.86 and 27.30 kg ha-1, 100.94 and 107.89 kg ha-1 and 13.51 and 12.84 kg ha-1 recorded at 0-15cm and 15-30 cm depth, respectively. The mean of DTPA extractable zinc, DTPA extractable iron, DTPA extractable manganese and DTPA extractable copper were 0.28 and 0.31 mg kg-1, 0.97 and 1.22 mg kg-1, 2.14 and 1.78 mg kg-1 and 0.23 and 0.19 mg kg-1 recorded surface and sub-surface depths, respectively. Soils are low in available nitrogen and potassium and medium in available phosphorus status. Cationic micronutrients such as iron, copper and zinc contents were found deficient in range, whereas manganese content was found to be sufficient.

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Section: Available Sulphurmentioning

confidence: 99%

Assessment of Soil Fertility Status of the Soils of KVK -Muzaffarnagar, Uttar Pradesh, India

Palani Renuka K,

Kumar,

Shahi

et al. 2024

IJPSS

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“…Hàm lượng các nguyên tố K, Mn, Fe, Cu, Zn trong mẫu đất được bán định lượng bằng phương pháp XRF 20 . Các mẫu đất AGNC, AGTB, AGTT, AGTS lấy ở 2 độ sâu khác nhau lần lượt là 0-15 cm; 15-30 cm tương ứng với tầng đất mặt (TS) và tầng đất dưới bề mặt(SS) 24…”

Section: ảNh Hưởng Của Kích Thước Hạt đếN Phương Pháp Phân Tích địNh ...unclassified

Study on the content of some metals in soil by XRF method and evaluating their effect on the total phenolic and flavonoid content of methanol extracts from two medicinal plants in An Giang Province

Nguyen

Thi

Dung

et al. 2021

Sci. Tech. Dev. J.- Eng. Tech.

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Several metals in soil affect the production of secondary metabolites in medicinal plants. In this study, we have determined concentrations of K, Mn, Fe, Zn, Cu in soils collected at Tinh Bien, Tri Ton, Thoai Son, and Cam Mountain areas in An Giang province by X-Ray Fluorescence Spectroscopy (XRF). We simultaneously evaluated the total phenolic and flavonoid content of methanol extracts from Solanum torvum (Sw.) leaves and Zingiber zerumbet (L.) rhizomes harvested in Tinh Bien and Cam Mountain. The results showed that the concentrations of metals reached the highest values at the soil particle size 0.25 mm among three sizes: 0.25 mm, 1 mm, and 2 mm. Whereas, the metal contents at two sampling depths 0-15 cm and 15-30 cm were similar. The concentrations of K and Cu in the soil in Tinh Bien are higher than Cam Mountain at 1.18 times and 1.70 times; however, the Fe, Zn, Mn content in Tinh Bien is lower at 2.16 times, 1.64 times, and 1.43 times. Thereby, it can be seen that the higher concentration of K and Cu may contribute to increasing the total phenolic content about 1.8 times with the Zingiber zerumbet (L.) rhizomes sample, and the flavonoid content by 2.5 times for the Solanum torvum (Sw.) leaves sample in Tinh Bien compared to Cam Mountain. Meanwhile, the concentrations of Fe, Zn, and Mn did not affect the flavonoid and phenolic content in these two plants

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“…The mean pH value of the soil in the study site was found to be 5.65, 5.64 and 5.72 for depth 10 cm, 20 cm and 30 cm respectively which is found to be slightly acidic. Optimum pH for most crops falls between 6.0 and 7.0 because nutrients are more available at pH about 6.5 (Ajayi et al, 2010;Omotade and Alatise, 2017). Therefore makes the study area fairly suitable for the cultivation of crops as the pH across the site falls around the optimum value.…”

Section: Soil Phmentioning

confidence: 99%

Assessment of Spatial Variability of Physico-chemical Properties of Soil at Crop, Soil and Pest Management Research Farm, FUTA

Olubanjo¹,

Ayoola²

2020

Appl. Res. J. Environ. Eng.

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Soil is an important natural resource for growing plants and the suitability of the soil for crop production is based on the quality of the soil’s physical, chemical and biological properties. The objectives of the study were to determine the soil physical and chemical properties and characterize the spatial variability of soil physico-chemical properties across the study area. The study was conducted at Crop, Soil and Pest Management Research Farm, Futa. Soil samples were collected from six sampling depths between 0-60 cm at an interval of 10 cm at different 20 points across the field while coordinates of the soil sampling points were determined using Global Positioning System (GPS) procedures. The test for variance was carried out on the physical properties of %sand, %silt, %clay, bulk density (g/cm3), %porosity, %water holding capacity (WHC) and soil hydraulic conductivity and chemical properties on pH, organic matter content (%), total nitrogen (%), available phosphorus (ppm), calcium, magnesium, sodium and potassium (cmol/kg), and effective cation exchange capacity (cmol/kg). The laboratory analysis (soil textural analysis) revealed that the soil types at the site were predominantly Sandy Clay Loam. Gravimetric soil moisture content and the water holding capacity (WHC) in all the 20 sampling spots at the topsoil has a mean value of 9.13% ± 1.90 and 52.43%±2.45 respectively. The minimum and maximum hydraulic conductivity (K) value at the distribution show a moderately skewed distribution of the K data and the distribution is positively skewed. The mean pH value of the soil in the study site was found to be slightly acidic and the soils were low in soil OM. The CEC, Mg2+, OC, TEB and TN indicated a significant difference for soil chemical properties. The physical and chemical properties of the study were found to be optimal for crop production, fertility assessment and land use management practices for crop productions and drip irrigation is suitable for the study area. Keywords: Spatial variability, Soil physico-chemical property, GPS procedures, Sampling point, Land use management practices, fertility assessment

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A Study on Effects of Soil Physico-Chemical Properties on Cocoa Production in Ondo State

Cited by 9 publications

References 15 publications

Assessment of Soil Fertility Status of the Soils of KVK -Muzaffarnagar, Uttar Pradesh, India

Assessment of Soil Fertility Status of the Soils of KVK -Muzaffarnagar, Uttar Pradesh, India

Study on the content of some metals in soil by XRF method and evaluating their effect on the total phenolic and flavonoid content of methanol extracts from two medicinal plants in An Giang Province

Assessment of Spatial Variability of Physico-chemical Properties of Soil at Crop, Soil and Pest Management Research Farm, FUTA

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