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Determination of crop coefficients and optimum irrigation schedules for bidi tobacco and pearl millet crops in central Gujarat

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Title Determination of crop coefficients and optimum irrigation schedules for bidi tobacco and pearl millet crops in central Gujarat
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Creator B. KRISHNA RAO
GOPAL KUMAR
R.S. KUROTHE,
VYAS PANDEY,
P.K. MISHRA
A.K. VISHWAKARMA
M. J .Baraiya
 
Subject bidi tobacco, pearl millet, crop coefficients, furrow, drip, irrigation, schedules.
 
Description Not Available
An attempt was made to determine the rate of ETc and crop coefficients during various growth
stages of bidi tobacco and pearl millet crops in central Gujarat by water balance approach. From the
crop coefficients and meteorological data, optimum irrigation schedules with furrow and drip irrigations
were developed. The duration of various growth stages of bidi tobacco crop identified as 30, 40, 50, 30
days for initial, development, mid season and late season respectively. The crop coefficients for these
periods Kc initial, Kc mid, Kc end were found to be 0.42, 0.85 and 0.44 all in respective order. Similarly
for the pearl millet crop identified as 15, 25, 30, 15 days for initial, establishment, maturity and late
season respectively. The crop coefficients for these periods Kc initial, Kc mid, Kc end were found to be
0.33, 0.73 and 0.42 respectively. The identified duration of crop growth stages and respective derived
crop coefficients for various growth stages of bidi tobacco and pearl millet crops will be useful to estimate
crop water requirements and further developing optimum irrigation schedules for achieving higher water
productivity.
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Date 2020-02-26T09:22:04Z
2020-02-26T09:22:04Z
2012-12-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/33396
 
Language English
 
Relation Not Available;
 
Publisher Not Available