Hello Friends, Welcome again to our Agricultural Blog “ecohillagri.com”. In this Blog we try to understand about Irrigation and their management.
- 1 Irrigation
- 2 Types of Irrigation
- 3 Irrigation Management
- 4 Water resources for Irrigation
- 5 Rainfall
- 6 Irrigation work and project
Generally Irrigation in defined as the application or uses of water to our field for better growth and development of crops,
Simply, Irrigation is the method of supply of water to our field for crops growth and development,
Types of Irrigation
Generally Irrigation is of two types
1 Natural Irrigation – Supply of water to our field by naturally through rainfall.
2 Artificial Irrigation – Supply of water to our field by us through Pump, motor etc.
Allocation of all the essential Resources for maximum benefit and to achieve the main goal without any disturbing the environment is known as Management.
Irrigation management –
Irrigation management means the management of water and their Resources for better growth and development of crops and Soil and to obtain better yield by efficient use of water without any damage or disturbing the environment.
Water resources for Irrigation
General Resources (sources) of water for Irrigation –
- Tube well
- Well, etc.
Main Source of water –
Rainfall is the main source of all kinds of water. Based on its source, it can be classified as 2 types –
- Surface water
- Sub – Surface water
- Surface water = the water that is available above the surface of earth. Such as – water available from River, tank, pond, lack, etc.
- Sub – surface water = the water that is available under the surface of earth. Such as – underground water, well water etc.
Rainfall has mainly 4 season –
- Winter Rainfall – cold dry period
- Summer Rainfall- Hot weather period
- Kharif Rainfall- South west monsoon
- Rabi Rainfall – North east monsoon.
- Winter Rainfall –January to February
- Summer Rainfall – March to may
- Kharif Rainfall – June to September
- Rabi Rainfall –October to December
- Winter Rainfall – It Comprises in the month of January and February. It contributes very little rainfall.
- Summer Rainfall – It comprises in the month of March, April and May.
we can say the rainfall is good that contains following characteristics –
- Intensity or rainfall should be low that suit the soil absorption capacity.
- Quantity should be sufficient to replace the moisture depleted from the root zone.
- Frequency of rainfall is uniformly distributed place to place.
Note- but Indian rainfall does not have any good characteristics as above.
Characteristics of Indian Rainfall-
- The annual average rainfall of India is 1190.mm.
- There is a large variation in the receiving of quantity rainfall from one place to other.
- In India, Rainfall is not uniformly distribution throughout the year.
- Sudden Heavy rainfall occurs.
- Late starting of seasonal monsoon and early withdrawal of monsoon.
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Irrigation work and project
- Classified as 3 types.
- Major – more than 50 million Rupees. More than 10,000 hectare cultural area.
- Medium – 2.5 million to 50 million Rupees.
- Minor – less than 2.5 million Rupees. It covers 2000 hectare land.
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It is Arpan Priy Das from west champaran, Bihar. Arpan started his blog about agricultural information named as “ECOHILLAGRI.COM ” He started his blog ecohillagri.com to help many agricultural or other students as well as farmers. so, it is necessary for them to learn about agriculture that is useful for students as well as farmers and that all concepts are present in this blog.