Abstract
Abstract This manual provides information on the irrigation scheduling, daily crop water requirements, and application time and rate of irrigation on field crops, vegetables and fruit crops. Crops covered comprise cotton, sugarcane, maize, wheat, citrus, and peas.
Highlights
If the time of application of water does not synchronize with the crop water requirement in exact accordance, certainly the efficiency of the system will go to adverse
Highly important that after installation of the HEISs, their apposite irrigation schedules are prepared but the same are implemented with extreme care so that the desired and expected benefits of these systems may be accrued in letter and spirit
It should be kept in mind that we are calculating Daily Crop Water Requirement (CWR) for a particular week or decade because of progressive change in Kc value during every following week or decade
Summary
Improvement in crop production cannot be ascertained without adoption of advanced management practices. An advanced method of irrigation must ensure that there is neither over irrigation which brings the soil often to saturation point completely eliminating the oxygen from the root zone nor under irrigation which often renders the soil moisture down to a level where ionic absorption of nutrients is impeded Both of these physiological stresses adversely affect the plant growth and drag it to a position where in the reduction in yield below its potential becomes a natural end result. In case the application time is higher than the requirement, both irrigation water and the energy will be wasted and in case the irrigation has been scheduled for a time span lesser than the requirement, it will result in reduction of the yield and wastage of resources It is, highly important that after installation of the HEISs, their apposite irrigation schedules are prepared but the same are implemented with extreme care so that the desired and expected benefits of these systems may be accrued in letter and spirit. Becomes vital that irrigation of a crop is managed in such a way that an optimum moisture level is maintained in the root zone to effectively fulfill the needs of the plants throughout the period of their demand and this is possible only through proper irrigation scheduling
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