Soil Development and Fertility Characteristics of Inland Valleys in the Rain Forest Zone of Nigeria:

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粒子尺寸分发和泥土的矿物学的作文(< 2 μ m ) 并且好沙(0.25 0.10 公里) 在在 Abakaliki 和 Bende 的二条内陆山谷的土壤的部分,东南尼日利亚,被调查在形成土壤的过程和农业潜力上提供基本信息。这些土壤淤泥或粘土似,源于白垩纪或第三级的页岩材料。一个没有泥土的基础上的粒子尺寸分发和它的计算揭示了逻辑在几 pedons 打破的相对显著的石版印刷。土壤上的石版印刷逻辑断绝的效果然而,矿物学的作文不是明显的。Petrographic 调查表明那石英主要在两个学习地点在土壤包括
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