Table of Contents
- 1 What are the limitations of irrigation?
- 2 What are the 4 irrigation methods?
- 3 What are the pros and cons of irrigation?
- 4 What are the disadvantages of irrigating fields by traditional ways?
- 5 What are the disadvantages of traditional methods of irrigation Class 8?
- 6 What are the disadvantages of modern method?
What are the limitations of irrigation?
Disadvantages of Irrigation:
- Excessive seepage and leakage of water forms marshes and ponds all along the channels.
- Excessive seepage into the ground raises the water-table and this in turn completely saturates the crop root-zone.
What are the 4 irrigation methods?
Irrigation accounts for approximately 70\% of freshwater use worldwide. There are various types of irrigation. These include spray irrigation, flood irrigation, furrow irrigation and drip irrigation.
What are the disadvantages of modern methods of irrigation?
Explanation:
- Drip irrigation method is expensive.
- 2.It requires special technical knowledge for successful operation of this method.
- 3.In heavy soils, it creates problems of flow and water blockages.
- Plants are able to get nutritive elements in a very limited area.
- 5.It is not suitable for every crop.
What is the most inefficient irrigation method?
Surface or flood irrigation is the least efficient manner of irrigation. When a field is flooded, more water than is needed by the plant is applied to the field and water evaporates, seeps into the ground and percolates down to the groundwater, where it can be out of reach of the plant’s roots.
What are the pros and cons of irrigation?
Flood irrigation
| Pros | Cons |
|---|---|
| Low initial investment for equipment is required | Least efficient form of irrigation. More water loss from evaporation, infiltration, and runoff |
| Runoff water can be recycled to improve efficiency | Building and taking down levees is labor intensive |
What are the disadvantages of irrigating fields by traditional ways?
Disadvantages of Traditional Methods of Irrigation:
- Due to seepage in drains, wastage of water is caused.
- Machines cannot be used m this method because during spray of insecticides or fertilizers, the earthen walls of basins are damaged.
- There IS imbalance in distribution of labour.
- Creation of problem of water logging.
What are the pros and cons of the various types of irrigation?
Sprinkler irrigation
| Pros | Cons |
|---|---|
| Fertigation and chemigation can be used for plant nutrition or pest control by injecting chemicals into the irrigation water | Sprinkler nozzles can clog with poor quality water |
| Center pivot systems can be programmed to start and stop at specified angles or time | Scalding can occur on crop foliage |
How many types of irrigation methods?
The different types of irrigation include- sprinkler irrigation, surface irrigation, drip irrigation, sub-irrigation and manual irrigation.
What are the disadvantages of traditional methods of irrigation Class 8?
Traditional methods of Irrigation
- Too much human labor involved.
- Less efficient due to uneven distribution of water.
- Wastage of water.
What are the disadvantages of modern method?
What are the disadvantages of using modern farming methods
- water retaining capacity of the soil decreases.
- pesticides may kill useful insects.
- money spent on agriculture increases.
- it is not sustainable.
- they pollute the environment.
Why are most irrigation methods inefficient?
Irrigation water is not stored, delivered, scheduled and/or applied efficiently. Aquifer or surface water withdrawals threaten sustained availability of ground or surface water. Available irrigation water supplies have been reduced due to aquifer depletion, competition, regulation and/or drought. What is it?
What is the downfall of using drip irrigation?
Improper drip irrigation installation often culminates into poor root development and dieback. For example, looping your tubing too wide or installing a small quantity of water emitters creates drought conditions where roots continually grow – they may resort to shallow growth to find moisture and die back.