Physico-chemical properties of soils derived from different geologic formations in typical rainfall agro-ecological zone

Poljoprivredna tehnika Pub Date : 1900-01-01 DOI:10.5937/poljteh2301016e

A. Ekpo, L. Orakwe, Ndamzi Tom-Cyprain, C. Umobi, John Maduegbuna

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Abstract

Climatic conditions and geologic formations have been found to influence the nature of soils formed. Therefore, this study seeks to study the physical and chemical properties of the soils derived from the different geologic formations of a typical West African rainforest agroecological zone. 90 soil samples were generated from the field using standard field procedures. Standard laboratory method was used in carrying out the physico-chemical analysis of the collected soil samples. The results obtained showed the range of some selected soil properties coarse sand (32.25 to 61.62), fine sand (18.17 to 29.87%), total sand (62.22 to 85.93), silt (2.88 to 19.86%), Clay (10.3 to 18.46%), the structural code (1.77 to 3.77), porosity (50.55 to 61.20%), permeability (2.98 to 9.27 cm/hr), bulk density (1.35 to 1.57g/cm3 ) and a permeability class (1.77 to 2.87 cm/hr), pH (5.22 to 5.62), organic matter (5.17 to 6.60%), available phosphorus (19.43 to 28.37%), calcium (4.98 to 19.11%), magnesium (1.39 to 3.34%), sodium (0.06 to 2.8%), potassium (0.04 to 0.29%) and ECEC (8.96 to 17.14 Cmolc/kg). The results indicate the different physico-chemical properties of the formed from the different geologic formation of the study area. There is no statistical difference on the soils across the depth of the each geologic formation. The results obtained show that geologic formation have impact on the physicochemical properties of the soils. The results obtained in this research can served as a guide in soil management, utilization and conservation.

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典型降雨农业生态区不同地质构造土壤理化性质研究

已经发现气候条件和地质构造会影响形成的土壤的性质。因此，本研究旨在研究来自典型西非雨林农业生态区不同地质构造的土壤的物理和化学性质。使用标准的田间程序从田间产生了90个土壤样品。采用标准实验室方法对采集的土壤样品进行理化分析。结果表明，所选土壤的一些特性范围为:粗砂(32.25 ~ 61.62)、细砂(18.17 ~ 29.87%)、全砂(62.22 ~ 85.93)、粉砂(2.88 ~ 19.86%)、粘土(10.3 ~ 18.46%)、结构代码(1.77 ~ 3.77)、孔隙度(50.55 ~ 61.20%)、渗透率(2.98 ~ 9.27 cm/hr)、容重(1.35 ~ 1.57g/cm3)、渗透率等级(1.77 ~ 2.87 cm/hr)、pH(5.22 ~ 5.62)、有机质(5.17 ~ 6.60%)、有效磷(19.43 ~ 28.37%)、钙(4.98 ~ 19.11%)、镁(1.39 ~ 3.34%)、钠(0.06 ~ 2.8%)、钾(0.04 ~ 0.29%)和ECEC (8.96 ~ 17.14 cmol /kg)。结果表明，研究区不同地质构造形成的地层具有不同的物理化学性质。在各个地质构造的深度上，土壤没有统计学上的差异。结果表明，地质构造对土壤的理化性质有影响。研究结果对土壤的管理、利用和保持具有一定的指导意义。

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Poljoprivredna tehnika

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