toran kumar singh

chemical industry mineral based industry control of pollution environmental degradation industrial pollution automobile industry cement industry fertilizer industry aluminium industry iron and steel industry jute industry sugar industry cotton textile industry agro-based industry classification of industry ideal location of industry indutrial location importance of manufacturing manufacturing industry forest soil laterite soil arid soil land use pattern land utilisation earth summit agenda 21 resource planning sustainable development soil conservation soil erosion alluvial soil montane soil black soil red and tellow soil types of soil types of resources natural resources physical resources resources