Abstract
Film hole irrigation is relatively reported efficient irrigation technique amongst the others by Chinese’s researchers. Film hole irrigation refers to bordered field completely covered with plastic sheet having holes of equal sizes through which seedlings come out. Field experiments were conducted at Postgraduate Agriculture Research Station to check its effectiveness and performance in terms of advance rate on sunflower crop for various sized borders having Fine Sandy Loam soil. Tube well irrigation water was applied with an average discharge of 21 l/s and field data were collected from each plot during 1st, 2nd and 3rd irrigations. Results of the study revealed that advance time taken during film hole method in completing the advance phase was comparatively less as compared with the conventional irrigation. Water saving of 37–45% was observed by film hole irrigation, and the yield of sunflower crop was 23–30% higher as compared with conventional irrigation. The field management issues were also discussed and addressed properly.
Highlights
Application of water to the field wisely and efficiently for maximizing crop production is the main goal in irrigated agriculture
The present study focuses on the advance rate and crop growth in film hole irrigation and conventional irrigation techniques; the efficiencies terms are not considered here and performance indicators like volume ratio and advance-time ratio were used to compare the hydraulic performance of irrigation systems[2]
It can be seen from the table that a reduction in the advance time of 10–11 % occurred in completing the advance phase during film hole irrigation in various sized
Summary
Application of water to the field wisely and efficiently for maximizing crop production is the main goal in irrigated agriculture. Continuous increasing country’s population requires parallel increase in agriculture to meet the food and fiber production in the country. To overcome such alarming situations, the irrigators recently have diverted their attention towards pressurized irrigation systems. It is too costly and need skilled labour that lacks in the country. Another option to tackles present situation is the adoptability of new innovative water management irrigation techniques [2]. The need for saving irrigation water can be judged from the figure that the crops utilize 34 % of water entering the canals and
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