Abstract
People on Earth are under tremendous threat due to undesired changes in the physical, chemical and biological characteristics of water and soil. Due to increased human population, industrialization, use of unwanted amounts of fertilizers and man-made activities, water and soil is highly polluted with different harmful contaminants. Natural water and soil contaminates due to weathering of rocks and leaching of soils, mining processing etc. It is necessary that the quality of drinking water and soil should be checked at regular time interval, because due to use of contaminated drinking water, human population suffers from variety of water borne diseases. The study area, Gossaigaon sub-division of Kokrajhar district, Assam lies on the north bank of the Brahmaputra river and is slowly sloping towards south from the foothills of Bhutan upto an average height of 42 MSL. The tributaries of the Brahmaputra- Sankosh, Ripu, Dambra, Bura chara, Gadadhar, Gurufella, Madati, Hel, Gongea are flowing southward which have their sources in the Himalayas. In this paper an attempt has been made to assess the quality of soil of 10 different stations by considering the parameters like Colour, Temperature, pH value, Conductance, Alkalinity, Dissolved Oxygen, Hardness, TS, TDS, Chlorine, Fluorine, Sulphur, Nitrogen, Phosphorous, Iron, Calcium and Magnesium, Sodium, Potassium, Zinc, Nickel, Lead and Copper which have direct correlation with human health.
Highlights
The importance of the soil resource has been analysed by the Chinese saying that the soil is the mother of all things
Soil samples were collected in polyethylene containers
The soil samples were collected from ten different spots of Gossaigaon Sub-Division
Summary
The importance of the soil resource has been analysed by the Chinese saying that the soil is the mother of all things. It is the foundation of all life as it has many functions such as providing a medium for plant growth, water supply regulation, wastes recycling, providing a habitat for organisms and supporting human infrastructure. The Study Area The Gossaigaon Sub-Division Geographically, Gossaigaon Sub-Division is located in the North-Western part of Kokrajhar District of Assam It is bounded by Bhutan in the North, Dhubri District in the South, West Bengal and river Sankosh in the West and Hel River in the East.
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