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Elements of Scientific Irrigation

Release Date:

2019-09-09

The key elements of scientific irrigation are timeliness, adequacy, reliability, effectiveness, and uniformity. Scientific irrigation is a crucial guarantee for stable and high crop yields, thereby achieving the dual goals of water conservation and increased production, promoting agricultural development, and enhancing farmers’ economic income. 1. Irrigation timeliness refers to the promptness with which the irrigation system delivers and distributes water; providing crops with water at the right time is an essential prerequisite for increasing both yield and income, as well as one of the important measures for conserving water resources. When crops require irrigation, the pipeline system must deliver irrigation water to the fields in a timely manner to meet their water needs. 2. Irrigation adequacy means that the irrigation system can supply an appropriate amount of water when crops are in need,

Scientific Irrigation The key elements are timeliness, appropriateness, reliability, effectiveness, and uniformity. Scientific irrigation is a crucial guarantee for stable and high crop yields, thereby achieving the goals of water conservation and yield increase, promoting agricultural development, and enhancing farmers’ economic income.

 

1. Timeliness of Irrigation

It refers to the timeliness of water delivery and distribution in an irrigation system. Providing crops with water at the right time is a crucial prerequisite for increasing crop yields and incomes, as well as an important measure for conserving water resources. When crops require irrigation, the pipeline system must deliver irrigation water to the fields promptly to meet their water needs.

2. Appropriate Irrigation

It refers to the irrigation system’s ability to deliver an appropriate amount of water when crops are in need, ensuring that neither excessive irrigation—leading to seepage losses and deterioration of the crop-growing environment—nor insufficient irrigation—resulting in inadequate water supply and subsequent wilting—is applied.

3. Irrigation Reliability

It refers to the degree of reliability with which the irrigation system can ensure water supply for crops in the irrigated area. This can be expressed as the ratio of the actual irrigated area to the planned irrigated area.

It can also be expressed as the ratio of the amount of water that needs to be supplemented per unit area during the crop growing season to the amount of water that the irrigation system can supply.

4. Irrigation Effectiveness

It encompasses multiple aspects: first, the pipeline network must efficiently deliver water to the fields during distribution and conveyance while minimizing water losses to the greatest extent possible; second, crop root systems should maximize water uptake from irrigation while minimizing evaporative losses; and third, effective utilization of rainfall must be ensured, as reflected in increased crop yields or enhanced economic returns. In arid and water-scarce regions, irrigation managers need to understand the water requirements of different crops at each growth stage, establish economically sound irrigation schedules, and optimize the allocation of limited irrigation water to achieve higher crop yields.

5. Irrigation Uniformity

It refers to the uniformity of flow in water transmission and distribution pipelines at all levels during the irrigation season, as well as the uniformity of water distribution across the field. High irrigation uniformity can reduce seepage losses, achieve water conservation, and thereby enhance crop yield and income while improving crop quality.

Xi’an Smart Irrigation reminds you to adopt scientific irrigation practices to ensure high crop yields.

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