Soil Orders There are several levels of soil taxonomy and those are order, suborder, great group, subgroup, family, and series. The classification was originally developed by Guy Donald Smith, former director of the U.S. Department of Agriculture’s soil survey investigations (Donovan and Alan, 1981). Soil order is the most general level of classification in the USDA (United States Department of …

ABSTRACT   Twenty soil samples are collected from two disaster-prone coastal unions of Kaliganj Upazilla under Satkhira District with an aim to study the soil properties in relation to the time series data as well as to evaluate the overall impacts on agriculture. Results revealed that the soil physical parameters such as field moisture, hygroscopic moisture and soil textural classes …

Definition of Soil The soil is a natural medium that acts as a basement for all other materials and living entities. Normally the definition of soil has a variation person to person according to the point of view of their perspective. The definition of soil to a farmer is not similar to the definition of soil to an engineer. However, …