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Fertilizers Video Lecture | Science & Technology for UPSC CSE
FAQs on Fertilizers Video Lecture - Science & Technology for UPSC CSE
| 1. What are fertilizers and why are they used? |  |
Ans. Fertilizers are substances or mixtures that are added to soil or plants to provide essential nutrients that are necessary for plant growth. They are used to improve soil fertility and increase crop yields.
| 2. What are the main types of fertilizers? | |
Ans. The main types of fertilizers include organic fertilizers, which are derived from natural sources such as animal manure or compost, and inorganic fertilizers, which are synthesized chemically and usually contain specific nutrients like nitrogen, phosphorus, and potassium.
| 3. How do fertilizers work to promote plant growth? | |
Ans. Fertilizers work by providing essential nutrients that plants need for various physiological processes, such as photosynthesis and protein synthesis. These nutrients are absorbed by the plant's roots and used to support growth, flowering, and fruit production.
| 4. Are there any drawbacks or risks associated with using fertilizers? | |
Ans. Yes, there are potential drawbacks and risks associated with using fertilizers. Overuse or improper application of fertilizers can lead to nutrient runoff, which can contaminate water sources and harm aquatic ecosystems. Additionally, excessive use of fertilizers can contribute to soil degradation and nutrient imbalances.
| 5. Are there any alternatives to traditional fertilizers? | |
Ans. Yes, there are alternative approaches to fertilization, such as using cover crops, crop rotation, and composting. These practices aim to improve soil health and fertility by enhancing organic matter content, promoting beneficial microbial activity, and reducing the need for synthetic fertilizers.
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