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Physiological and yield response of okra (Abelmoschus esculentus Moench) to irrigation scheduling and organic mulching

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Title Physiological and yield response of okra (Abelmoschus esculentus Moench) to irrigation scheduling and organic mulching
Not Available
 
Creator Anant Bahadur, K.P. Singh, A. Rai, A. Verma and M. Rai
 
Subject Irrigation scheduling, Okra, Pea-straw mulch, Physiological parameters, WUE
 
Description Not Available
A field experiment was carried out during spring-summer of 2006 and 2007 at Indian Institute of Vegetable Research, Varanasi. The treatments comprised 4 levels of surface irrigation (4, 7, 10 and 12 days intervals) and 2 level of mulch (pea straw mulch at 12.5 tonnes/ha and ‘no mulch’). Significant differences on morpho-physiological and yield attributes were observed in various irrigation treatments and organic mulches. Irrigation scheduled at 4-day interval exhibited maximum fresh pod yield of okra (15.03 tonnes/ ha) with higher leaf water potential, (0.91 MPa), relative water content in leaves (83%), photosynthetic rate (14.10μmole CO2/m2/s1) and stomatal conductance (351.9 mmol H2O/m2/s1). Higher chlorophyll concentration index was recorded in 4 or 7-day irrigation intervals. Pea-straw mulch significantly enhanced the plant height, number of nodes/plant, number of pods/plant, pod weight and fresh pod yield over non-mulched. Significant improvement was observed in plant physiological parameters and soil water content under pea straw mulch. Irrigation at 10-day interval along with pea-straw mulch exhibited maximum water-use efficiency (455.72 kg/ha-cm). Significant reduction in weed population (65.4%) and considerable water savings (29.6%) was recorded with use of pea-straw mulch over no mulch.
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Date 2021-07-18T13:24:04Z
2021-07-18T13:24:04Z
2009-10-01
 
Type Research Paper
 
Identifier Bahadur Anant, Singh K.P., Rai A., Verma A. and Rai M. (2009). Physiological and yield response of okra (Abelmoschus esculentus Moench) to irrigation scheduling and organic mulching. Indian J. Agric. Sci., 79(10): 813-15.
0019-5022
http://krishi.icar.gov.in/jspui/handle/123456789/48596
 
Language English
 
Relation Not Available;
 
Publisher ICAR, New Delhi