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General Guidelines on Planning Irrigation Schedules

The characteristics of different soil groups and soil depth influencing irrigation scheduling are as follows:

  • (i) Shallow and/or sandy soil: In sandy soils in general and soils with limited depth (due to the presence of hard pan close to the ground surface) the soil moisture holding capacity is low. These soils require frequent irrigations and the amount of water applied in each irrigation is kept low.
  • (ii) Loamy soils: Loamy soils can store more water than sandy soils or shallow soils. Hence, irrigation is applied less frequently with larger depth of water in an irrigation.
  • (Hi) Clayey soils: The moisture holding capacity of clayey soils is more than loamy soils. Hence, irrigations are less frequent and the quantity of water in an irrigation is higher.

References

Prihar. S.S. and Sandhu, B.S. (1997). Irrigation of Field crops : Principles and Practices. I.C.A.R., Krishi Anusandhan Bhavan, Pusa, New Delhi, P. 142

Saxena, K.K. (1997), Design and Operation of Irrigation Projects, Indian Institute of Technology, New Delhi, P. 372

Sri Ramulu US (2000), Management of Water Resources in Agriculture, New Age International Pvt. Ltd., New Delhi, P. 159;

Water Management Division, Ministry of Agriculture, Govt. of India, New Delhi (1991). Handloom of Irrigation, Scheduling Irrigation to Meet Crop Needs. 111-16.

 
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