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EFFECT OF IRRIGATION METHODS AND SPLIT APPLICATION OF NITROGEN AND POTASH ON POTATO PROCESSING TUBER YIELD AND NET RETURN UNDER NORTH GUJARAT CONDITIONS

Article Id: ARCC941 | Page : 111- 115
Citation :- EFFECT OF IRRIGATION METHODS AND SPLIT APPLICATION OF NITROGEN AND POTASH ON POTATO PROCESSING TUBER YIELD AND NET RETURN UNDER NORTH GUJARAT CONDITIONS.Agricultural Science Digest.2011.(31):111- 115
D.K. Patel, P. T. Patel, B.M. Patel, D.M. Patel and B.J. Patel
Address : Department of Agronomy, C.P. College of Agriculture, SDAU, Sardarkrushinagar - 385 506, India.

Abstract

Field experiment was conducted during rabi seasons of 2006-07 and 2007-08 to study the effect of fertigation of nitrogen and potash under different methods of irrigation on yield of processing grade tubers of potato cv. Kennebec. Fifteen treatment combinations comprising of five irrigation methods viz., drip (0.8 PEF) with lateral in each row and in each pair, perforated pipe, micro-sprinkler at 1.0 IW/CPE ratio (40 mm) and furrow at 0.8 IW/CPE ratio (60 mm) were relegated to main plots and three levels of fertility viz., 50%, 75% and 100% N and K of recommended dose were assigned to sub-plots, with three replications. Higher number and yield of processing grade A and medium grade B tubers were produced when the crop was irrigated with drip irrigation. Treatment I1 (irrigation through drip with lateral in each row) recorded significantly higher number and yield of processing grade A and B tubers over I3, I4 and I5 treatments, but was at par with I2 treatment. F3 (100% recommended dose of N and K) recorded significantly higher number and yield of processing grade A and B tubers, but it was at par with F2 (75% recommended dose of N and K). Treatment I2 registered highest net return (Rs. 46302/ha) and BCR (1.64). Treatment F3 recorded highest net return (Rs. 39668/ha and BCR (1.56).

Keywords

Drip Fertigation Irrigation Processing potato.

References

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