Agriculture

Chemical fertilizers

रासायनिक उर्वरक

In Class 9 Agriculture, the topic Chemical Fertilizers, part of the chapter “Manure and Fertilizers,” introduces students to manufactured nutrient sources used to improve plant growth and crop yield. They learn how fertilizers supply essential nutrients such as nitrogen, phosphorus and potassium, and study examples including urea, superphosphate and potash. The topic also explains the benefits and limitations of fertilizers, the importance of applying the right type and quantity, and possible effects of excessive use on soil health, water quality and sustainable farming.