Urea

Readers’ Delight Students’ Reading Material 1. Fuel • Introduction to Fuel A fuel is a substance that has energy stored inside it. So, a substance that produces useful energy when it undergoes a chemical reaction is called as a fuel. Upon burning a fuel, a large amount of energy is released as heat. Fuels are used for various purposes such as cooking food, running vehicles, generating electricity etc. Coal, wood, petrol, diesel etc. are some common fuels. Thus, a fuel can be defined as a…

Chapter: Soil, Water and Air Pollution 1. Introduction: Definitions of soil, water and air pollution; sources and types of soil, water and air pollution, soil and water pollution status in India With rapid increase and development in industrial and agricultural sectors along with population explosion, huge amount of organic and inorganic waste is released in environment and causing serious threats to environment and agro-ecosystem. This procedure can bring about a danger in the human wellbeing.…

Chapter-1 Introduction Plantains and banana constitute the fourth most important global food commodity (after rice, wheat and maize) grown in more than 120 countries over a harvested area of approximately 10 million hectares. The annual production of banana is about 88 million tonnes (Frison and Sharrock, 1999). It is the crop in superior position due…