Abstract
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. Key words: Saline water, drip irrigation, tomato, quality.
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Claims 9
Claim · model-written summary
Tomato yield decreased significantly as irrigation water salinity increased.
Not reportedTaxonComparator
Verbatim
e0“The plant yield decreased significantly with increase in salinity levels of irrigation water (that is, increase in proportion of saline water).”
Claim · model-written summary
Fresh water irrigation gave the highest yield of 3.55 kg/plant.
Not reportedTaxon
Verbatim
e0“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).”
Claim · model-written summary
Fifty percent saline water blending gave the lowest yield of 2.64 kg/plant.
- Treatment
- 50% saline water blending in irrigatione0
- Outcome
- yielde0
- Direction
- loweste0
- Value
- 2.64 kg/plante0
Not reportedTaxon
Verbatim
e0“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).”
Claim · model-written summary
Average tomato yield fell significantly when emitter discharge increased from 1.2 to 2.4 lph.
Not reportedTaxon
Verbatim
e0“The average yield decreased significantly when the discharge rate of emitters increased from 1.2 to 2.4 lph.”
Claim · model-written summary
Tomato quality was inferior under saline irrigation compared with fresh water.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- saline water treatmente0
- Outcome
- quality of tomatoe0
- Direction
- inferiore0
- Comparator
- fresh water treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The quality of tomato is observed inferior in saline water treatment compared to fresh water treatment.”
Claim · model-written summary
Fruit TSS and acidity increased with the saline water ratio.
- Taxon
- tomatoSolanum lycopersicume0
- Organ / stage
- fruitse0
- Treatment
- increase in the saline water ratios of irrigation watere0
- Outcome
- TSS and aciditye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The TSS and acidity of tomato fruits increased with increase in the saline water ratios of irrigation water.”
Claim · model-written summary
The 75:25 fresh to saline mixture reduced tomato yield by 11% compared with fresh water.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- mixing of 75% fresh and 25% saline watere0
- Outcome
- tomato yielde0
- Direction
- reducede0
- Value
- 11%e0
- Comparator
- 100% fresh water treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“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.”
Claim · model-written summary
The 75:25 fresh to saline mixture improved tomato fruit quality at 2.4 lph and irrigation level 0.8.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- mixing of 75% fresh and 25% saline watere0
- Outcome
- quality tomato fruitse0
- Direction
- bettere0
- Qualifier
- discharge rate 2.4 lph and irrigation level 0.8e0
- Comparator
- 100% fresh water treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“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.”
Claim · model-written summary
The authors recommend saline water through drip irrigation for sustainable tomato yield and quality in water scarce areas.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- saline watere0
- Outcome
- sustainable yield and quality tomato productione0
- Setting
- water scarce areae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“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.”
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