Land

Land degradation it is Farmland is under threat due to more and more intense utilization .Every year,between 5-7 mHa of land world wide is added to the existing degraded farmland.when soil is used more intensively by farming it is eroded even more rapidly by wind and rain.over-irrigating farmland leads to sanilization ,as the evaporation of water brings the salts to the surface of the soil on which crops cannot grow.