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Effect of blending fresh-saline water and discharge rate of drip on plant yield, water use efficiency (WUE) and quality of tomato in semi arid environment

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Title Effect of blending fresh-saline water and discharge rate of drip on plant yield, water use efficiency (WUE) and quality of tomato in semi arid environment
Not Available
 
Creator D. D. Nangare, K. G. Singh and Satyendra Kumar
 
Subject saline water, drip irrigation, tomato, quality
 
Description Not Available
The use of alkali ground water constitutes a major threat to irrigated agriculture in semiarid parts of
India. The entire arid and semiarid region in India is characterized by low rainfall and has the problems
either of water scarcity or poor quality ground water and it can be better utilized for irrigation through
drip irrigation system. An experiment was conducted on tomato crop at Central Institute of Post Harvest
Engineering and Technology (CIPHET) Abohar, Punjab to study the effect of blending fresh and saline
irrigation water on yield and quality. The good quality canal water (EC of 0.38 dS/m) and ground water
(EC 19.5 dS/m) were mixed in ratio of 100% Fresh (F), 75:25 (Fresh: saline; F:S) and 50:50 (F:S). The
irrigation was done through drip system with three discharge rates (1.2, 2.4 and 4.2 lph) at three
irrigation levels of 0.6, 0.8 and 1.0. The plant yield decreased significantly with increase in salinity levels
of irrigation water (that is, increase in proportion of saline water). The maximum plant yield (3.55
kg/plant) was recorded with fresh water irrigation while 50% saline water blending in irrigation
produced the lowest yield (2.64 kg/plant). The average yield decreased significantly when the discharge
rate of emitters increased from 1.2 to 2.4 lph. The quality of tomato is observed inferior in saline water
treatment compared to fresh water treatment. The TSS and acidity of tomato fruits increased with
increase in the saline water ratios of irrigation water. As compared to 100% fresh water treatment, the
mixing of 75% fresh and 25% saline water reduced tomato yield by 11% and gave a better quality tomato
fruits at the discharge rate 2.4 lph and irrigation level 0.8. Hence, saline water can be utilized through
drip system for sustainable yield and quality tomato production in water scarce area having poor
quality ground water.
Not Available
 
Date 2018-12-01T11:03:26Z
2018-12-01T11:03:26Z
2013-07-18
 
Type Research Paper
 
Identifier Not Available
ISSN 1991-637X
http://krishi.icar.gov.in/jspui/handle/123456789/14934
 
Language English
 
Relation Not Available;
 
Publisher academic journals