EFFECT OF DIFFERENT SOWING DATES AND IRRIGATION SCHEDULES ON YIELD, WATER-USE EFFICIENCY AND ECONOMICS OF MAIZE (Zea mays L.)


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Authors

  • CH. PALLAVI, G. SREENIVAS, M. YAKADRI, ANIMA BISWAL, A. MADHAVI and P.D. SREEKANTH

Abstract

Field experiment was conducted at Agricultural Research Institute, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad during kharif 2016 and rabi 2016-17 with four dates of sowing (18 June, 4 July, 19 July and 10 August) and four irrigation regimes (I0: Control (Rainfed); I1: 0.4 IW/CPE; I2: 0.6 IW/CPE and I3: 0.8 IW/CPE) in kharif 2016. On similar lines the trial was conducted with four dates of sowing (1 November, 18 November, 1 December and 17 December) and
four irrigation regimes (I1: 0.4 IW/CPE; I2: 0.6 IW/CPE; I3: 0.8 IW/CPE and I4: 1.0 IW/CPE) in rabi 2016-17. Among different dates of sowing, highest number of rows cob-1 (15.3, 13.2), number of grains row-1 (24.4, 22.5), test weight (30.2, 26.8 g) and grain yield (6963, 5396 kg ha-1) were recorded with 4 July (D2) and 1 November (D1) sown crops during kharif 2016 and rabi 2016-17 respectively. Out of irrigation regimes tested, highest number of rows cob-1 (14.5, 14.8), number of grains row-1 (25.5, 25.2), test weight (28.5, 28.9 g) and grain yield (6369, 7105 kg ha-1) were observed at 0.8 IW/CPE (I3) and I4 (1.0 IW/CPE) during kharif 2016
and rabi 2016-17 respectively. Across different sowing dates, significantly higher WUE (13.0, 13.2 kg ha-mm-1), net returns ( 70260, 47209 ha-1) and B:C ratio (2.06, 1.32) were noticed with 4 July (D2) and 1 November (D1) sown crops in kharif 2016 and rabi 2016-17 respectively. Among irrigation schedules, significantly higher net returns ( 61476, 72056 ha-1) and B:C ratio (1.79,1.99) was recorded with I3 (0.8 IW/CPE) and I4 (1.0 IW/CPE) in kharif 2016 and rabi 2016-17 respectively.

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Submitted

2021-12-07

Published

2021-12-07

How to Cite

A. MADHAVI and P.D. SREEKANTH, C. P. G. S. M. Y. A. B. (2021). EFFECT OF DIFFERENT SOWING DATES AND IRRIGATION SCHEDULES ON YIELD, WATER-USE EFFICIENCY AND ECONOMICS OF MAIZE (Zea mays L.). The Journal of Research, PJTSAU, 49(3). Retrieved from https://epubs.icar.org.in/index.php/TJRP/article/view/118785

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