Di-Ammonium Phosphate (DAP) is one of the most widely used fertilizers in the world and the second most consumed fertilizer in India after urea. It supplies essential nutrients like nitrogen and phosphorus, which are crucial for plant growth and root development. This article explains the composition, importance, and multiple uses of DAP in agriculture and industry in simple language. It also covers the Nutrient Based Subsidy (NBS) scheme, under which subsidies are provided for phosphatic and potassic fertilizers. The topic is highly relevant for UPSC, State PCS, SSC, Banking, Railways, and other competitive exams under Agriculture, Economy, Government Schemes, and Current Affairs sections. The structured format helps aspirants with quick revision and answer writing.
Di-Ammonium Phosphate (DAP)
What is DAP?
Di-Ammonium Phosphate (DAP) is a widely used fertilizer that provides nitrogen (N) and phosphorus (P) to crops. It is the second most used fertilizer in India after urea.
Importance in Agriculture
- High phosphorus content helps in root development
- Essential for plant growth and timely maturity
- Highly water-soluble, releases nutrients quickly in soil
Other Uses of DAP
- Used as a fire retardant to control forest fires
- Used in metal finishing and industrial processes
- Added in wine production for yeast fermentation
- Used in cheese cultures
- Acts as a flux in soldering metals like copper and zinc
What is the Nutrient Based Subsidy (NBS) Scheme?
The NBS Scheme was introduced in 2010 by the Department of Fertilizers, Ministry of Chemicals & Fertilizers. Under this scheme, a fixed subsidy is provided on Phosphatic and Potassic (P&K) fertilizers based on nutrient content and international prices.
