1.5.3 Irrigation Requirement of Crops | CE(A)603 |

Water Resources Engineering

1.5.3 Irrigation Requirement of Crops

Welcome to our comprehensive guide on irrigation, soil-water-crop relationships, and water management in agriculture! In this series, we delve into the fundamental aspects of irrigation, including its definition, advantages, and disadvantages, as well as its development and necessity in the Indian context. We explore various types and methods of irrigation, such as surface irrigation, and discuss the time taken for irrigation water to cover an area, along with associated challenges.

1.1 Introduction to Irrigation Water Requirement and Soil-Water-Crop Relationship:
Begin your journey into the world of agriculture with an exploration of irrigation fundamentals. Learn about the crucial relationship between soil, water, and crops, setting the stage for efficient water management practices.

1.2 Irrigation:
Delve into the definition of irrigation and its main concerns. Explore the advantages and disadvantages of irrigation, with a focus on its development in India and the indispensable necessity of irrigation in agricultural landscapes.

1.3 Soil, Water, and Plant Relationship:
Understand the intricate relationship between soil, water, and plants. Dive into soil classifications, terminologies, factors influencing crop growth, and the critical concept of soil moisture tension and its impacts on plant health.

1.4 Consumptive Use or Evapotranspiration:
Explore consumptive use, also known as evapotranspiration (ET), and the factors affecting it. Discover methods for determining water consumption and common challenges associated with calculation methods like the Blaney-Criddle method.

1.5 Water Requirements of Crops:
Learn about the water requirements of various crops, including crop seasons and principal crops. Dive into irrigation efficiency and associated problems, along with understanding the irrigation requirements of different crops.

1.6 Duty and Delta:
Gain insights into duty, its influencing factors, methods for improvement, and types. Explore delta, crop periods, base periods, and the relationship between duty and delta, along with addressing common problems related to these metrics.

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