Class 9 Exam > Class 9 Videos > Crash Course: Class 9 (Hinglish) > Irrigation
Irrigation Video Lecture | Crash Course: Class 9 (Hinglish)
FAQs on Irrigation Video Lecture - Crash Course: Class 9 (Hinglish)
| 1. What is irrigation? |  |
Ans. Irrigation is the process of supplying water to crops or agricultural lands to ensure their proper growth and development. It involves artificial application of water through various methods such as sprinklers, canals, or drip irrigation systems.
| 2. What are the advantages of irrigation? | |
Ans. Irrigation offers several advantages in agricultural practices. It helps in providing water to crops during dry spells or when rainfall is insufficient. It enhances crop yields and promotes better plant growth. Irrigation also allows farmers to cultivate crops in regions with limited rainfall or in arid areas.
| 3. What are the different types of irrigation methods? | |
Ans. There are several types of irrigation methods used in agriculture. Some common methods include surface irrigation, sprinkler irrigation, drip irrigation, and sub-irrigation. Surface irrigation involves flooding the fields with water, while sprinkler irrigation uses overhead sprinklers to distribute water. Drip irrigation involves delivering water directly to the plant roots, and sub-irrigation utilizes underground pipes to supply water.
| 4. What are the challenges or limitations of irrigation? | |
Ans. While irrigation offers numerous benefits, it also has certain challenges and limitations. Some challenges include the high cost of setting up irrigation systems, the need for a constant water supply, and the potential for water wastage if not managed properly. Additionally, over-irrigation can lead to waterlogging and salinization of the soil, which can harm crop growth.
| 5. How does irrigation impact the environment? | |
Ans. Irrigation can have both positive and negative impacts on the environment. On the positive side, it allows for increased agricultural productivity and food production. However, excessive water usage in irrigation can lead to the depletion of water sources and cause water scarcity in certain regions. It can also contribute to soil erosion and the pollution of water bodies due to the use of fertilizers and pesticides. Therefore, sustainable irrigation practices are necessary to minimize negative environmental impacts.
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Nov 22, 2024 Last updated |
Video Description: Irrigation for Class 9 2024 is part of Crash Course: Class 9 (Hinglish) preparation.
The notes and questions for Irrigation have been prepared according to the Class 9 exam syllabus.
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