2. Explain about the modern methods of irrigation.
Answers
Answer:
The modern methods of irrigation include – surface irrigation, drip irrigation, sprinkler irrigation, subsurface irrigation. 3.
Answer:
Sprinkler Irrigation :
It is an easy and simple method of irrigation nowadays. Water is provided to the fields by spraying water droplets, similar to rain, through pipes. Any loss of water is avoided in the sprinkler system. Problem of waterlogging is not present in this system. The balance of groundwater is also maintained.
Advantages of Sprinkler Irrigation :
It helps in the conservation of soil.
It increases soil productivity.
It protects the crops from extreme frost or temperature.
Fertilizer and insecticide application can be done by the sprinkler system.
Physical condition and composition of soil are maintained.
It is very useful for sandy soil and uneven land.
Drip Irrigation :
This method of irrigation is gaining popularity in areas with a scarcity of water. Narrow pipes with small holes are laid on the fields. When water flows through the pipes, it drips at the place of the roots of the plants. The roots absorb the water and supply it to the plants. Furthermore, no water is wasted in this method.
Advantages of Drip irrigation:
Water reaches directly to the roots of the plants.
It saves a lot of water, which can be utilized for irrigating more area.
Weeds do not grow because the water reaches directly to the plants and do not spread anywhere on the field.
Crop yield is increased in this method.
The area near the plants is dry so bacterial growth is limited.
It reduces the use of water in agriculture.
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