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Legume Research, volume 30 issue 4 (december 2007) : 261 - 265

SUMMER GROUNDNUT CROP PERFORMANCE AND ECONOMICS UNDER MICRO SPRINKLER IRRIGATION AT VARIOUS WATER APPLICATION LEVELS

H. D. Rank

Affiliations

¹College of Agricultural Engineering & Technology, Junagadh Agricultural University, Junagadh-362001, Gujarat, India.

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Cite article:- Rank D. H. (2025). SUMMER GROUNDNUT CROP PERFORMANCE AND ECONOMICS UNDER MICRO SPRINKLER IRRIGATION AT VARIOUS WATER APPLICATION LEVELS. Legume Research. 30(4): 261 - 265. doi: .

ABSTRACT

The field experiments were conducted for consecutive three years to assess the crop performance and economics of micro sprinkler system for groundnut (GG-2) during summer season (Feb. to May). Total six treatments having different water application levels based on IW/CPE like 0.6, 0.7, 0.8, 0.9, 1.0 and 1.2 were selected. The lowest pod yield of 1471 kg/ha and highest pod yield of 2550 kg/ha could be obtained at the IW/CPE of 0.6 and 0.9 respectively requiring 523 and 789 ha.mm/ha of irrigation water respectively. The treatment of IW/CPE of 0.8 wasfound statistically better one having the highest water use efficiency of 3.406 kg/ha.mm. The IW/CPE of 0.8 was found most economical water application level. Also, in case of excess water supply (IW/CPE=1.2) and deficit water conditions (0.6), the micro sprinkler wasnot that profitable.

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REFERENCES

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Kirda, C., P. et al.(1999). Crop Yield Response to Deficit Irrigation. Kluwer Academic Publishers. London.
Rank, H. D.et al. (2003). Proc. Int. sem. for downsizing tech. for rural devpt., RRL Bhubneshwar, 1: 254-257.
Stegman, E.C. et al. (1980). Design and Operation of Farm Irrig. Systems, ASAE, Washigton.
USDA (1959). SCS National Engg. Handbook, Washigton, D.C., pp. 8-1 to 8-15.
Wanjura, F. D., et al. (2002). Agic. Water Manage., 55:217:237.

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SUMMER GROUNDNUT CROP PERFORMANCE AND ECONOMICS UNDER MICRO SPRINKLER IRRIGATION AT VARIOUS WATER APPLICATION LEVELS

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