Page 1 : Why water content is different in different soils?, , Availability of water, differences in the rate of evaporation, the capacity to retain water and, differences in organic content are the reasons for the variation in the water content in different, types of soil., , Importance of top soil, , * Top soil is rich in organic matter where as deep soil is poor in it, , © It also contains air, water, minerals, micro organisms, earth worms etc., * It has more water absorption capacity., , * Top soil is only suitable for agriculture, , * It is only one foot thick, , * It takes many years for the formation of top soil., , Reasons of soil erosion, , © Heavy rain and wind, © Slope of land, , « deforestation, , © Large scale earth loosening works, * Flood, , , , al0RONEIB_IOS 1568 aAlawlogad. anwenHg\o aflrwlawoag)o eiflesods TECH Malappuram coordina, Al& ©5000 ANHMaflay MITMOOJo} Gq; SqssqYORs cimjo cwoendeainrs oarcias wrdqyos oasyy, https://play google.com/store/apps/details?id=com.basith.sasthrache;, , , , <, ren, Ks, , TECH Malappuram (Teacher Empowerment through Co-operation and mutual Help), , , , , , Remedies for soil erosion, , © Mulching, , Planting bamboos on the bank of brooks, ‘© Vegetation and inter cropping, , * Terrace farming, , Making earthen ramps in the slop areas, © Making bunds, , * Contour farming, , * Aforestation, , Causes of soil pollusion, , ‘© Throwing plastic materials to soil after use, , © Using pesticides, veedicides and chemical fertilizers, ‘* Chemical wastes from factories reach the soil, , ‘© Dumping solid wates such as concrete, , © Mining, , How plastic pollution destroys the soil?