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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(5): 1727-1747
DOI: https://doi.org/10.20546/ijcmas.2019.805.200


More Rice, Less Water-Precision Water Management Approaches for Increasing Water Productivity in Irrigated Rice-Based Systems under North IGP: A Review
N.C. Mahajan1, R.K. Naresh2, S.K. Tomar3, Vivek2, Kancheti Mrunalini4, M. Sharath Chandra2 and Lingutla Sirisha5 
1Department of Agronomy, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi-(U.P), India
2Department of Agronomy, Sardar Vallabhbhai Patel University of Agriculture & Technology, Meerut, (UP), India
3KVK Belipar, Gorakhpur, Narendra Dev University of Agriculture & Technology, Kumarganj, Ayodhya, U.P., India
4Department of Agronomy, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
5Department of Agronomy, Bihar Agricultural University, Sabour, Bhagalpur-Bihar, India
*Corresponding author
Abstract:

Water is a critical input for productivity enhancement especially of field crops. Its judicious and optimum use is needed utmost for realizing higher resource use efficiency and plugging gaps in production. Key technological interventions, which could alter or rectify the usage pattern or strategies in freshwater utilization in agriculture, are the need of the hour. Precision water management approach could help in conserving and making more-efficient use of scarce water resources through integrated management combined with selected external inputs/technologies. In this context, the scientific interventions on water management involving precision levelling of land, no tillage or reduced tillage systems, furrow irrigated raised bed planting systems and other inclusive technological practices could enforce appropriate water management schedules. The potentials for water savings in rice production appear to be very large. But we do not know the degree to which various farm and system interventions will lead to sustainable water savings in the water basin until we can quantify the downstream impact of the interventions. Studies on the economic benefits and costs of alternative interventions are also lacking. Without this additional information, it will be difficult to identify the potential benefits and the most appropriate strategies for increasing irrigation water productivity in rice-based systems. During the crop growth period, the amount of water usually applied to the field is much more than the actual field requirement. When water supply within the irrigation system is unreliable, farmers try to store much more water in the field than needed as insurance against a possible shortage in the future. Rice transplanted on wide raised beds and transplanted rice under reduced tillage plots consumed more moisture from the deeper profile layer than conventional tillage practice Transplanted basmati rice after puddling recorded higher bulk density and more contribution from top layer. Dry-seeded rice technology offers a significant opportunity for conserving irrigation water by using rainfall more effectively. The future of rice production will therefore depend heavily on developing and adopting strategies and practices that will use water efficiently in irrigation schemes. This review paper emphasizes the need for integrating various water-saving measures into practical models and for conducting holistic assessments of their impact within and outside irrigation systems in the water basin.


Keywords: Water productivity, Tillage, Water balance, Alternate wetting and drying
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How to cite this article:

Mahajan, N.C., R.K. Naresh, S.K. Tomar, Vivek, Kancheti Mrunalini, M. Sharath Chandra and Lingutla Sirisha. 2019. More Rice, Less Water—Precision Water Management Approaches for Increasing Water Productivity in Irrigated Rice-Based Systems under North IGP: A Review.Int.J.Curr.Microbiol.App.Sci. 8(5): 1727-1747. doi: https://doi.org/10.20546/ijcmas.2019.805.200