Abstract
Rice is the major staple food of the world’s population which contributes a vital role in global food security. Scarcity of water resources is a major threat for the higher water requiring crops like rice and agricultural production, as a whole. Henceforth, the present field experiment was conducted to study the rice cultivation with less water under alternate wetting and drying condition and to optimize the water depth. Field water tube being a promising tool to evaluate water depth both below and above ground level has been used for the study during kharif, 2017-18 on clay soils of the Agricultural College farm, Bapatla. The experiment was laid out in Randomized Block Design with seven treatments and three replications. The treatments included seven irrigation regimes viz., continuous submergence and six treatments with alternate wetting and drying where four treatments were installed with field water tubes. The results revealed that weekly application of 3 cm ponded water (T3) resulted in 47.6 % water saving as compared to continuous submergence, whereas treatments imposed with field water tubes were observed with 21.6 - 28.3 % less of continuous submergence. Among the four treatments with field water tubes, 5 cm submergence when water level receded 5 cm below ground level in the field water tube (T6) was found superior in terms of yield, water saving and water saving impact.
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Claims 4
Claim · model-written summary
Weekly 3 cm ponded water saved 47.6% water relative to continuous submergence.
- Taxon
- Rice (Oryza sativa L.)
Oryza sativat0 - Treatment
- weekly application of 3 cm ponded watere0
- Outcome
- water savinge0
- Direction
- savinge0
- Value
- 47.6 %e0
- Comparator
- continuous submergencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“weekly application of 3 cm ponded water (T3) resulted in 47.6 % water saving as compared to continuous submergence”
t0“Rice (Oryza sativa L.)”
Claim · model-written summary
Field water tube treatments used 21.6–28.3% less water than continuous submergence.
- Taxon
- Rice (Oryza sativa L.)Oryza sativat0
- Treatment
- field water tubese0
- Outcome
- 21.6 - 28.3 % less of continuous submergencee0
- Direction
- lesse0
- Value
- 21.6 - 28.3 %e0
- Comparator
- continuous submergencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“treatments imposed with field water tubes were observed with 21.6 - 28.3 % less of continuous submergence”
t0“Rice (Oryza sativa L.)”
Claim · model-written summary
Among field water tube regimes, T6 was superior for yield.
- Taxon
- Rice (Oryza sativa L.)Oryza sativat0
- Treatment
- 5 cm submergence when water level receded 5 cm below ground level in the field water tube (T6)e0
- Outcome
- yielde0
- Direction
- superiore0
- Comparator
- four treatments with field water tubese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among the four treatments with field water tubes, 5 cm submergence when water level receded 5 cm below ground level in the field water tube (T6) was found superior in terms of yield, water saving and water saving impact”
t0“Rice (Oryza sativa L.)”
Claim · model-written summary
Among field water tube regimes, T6 was superior for water saving and water saving impact.
- Taxon
- Rice (Oryza sativa L.)Oryza sativat0
- Treatment
- 5 cm submergence when water level receded 5 cm below ground level in the field water tube (T6)e0
- Outcome
- water saving and water saving impacte0
- Direction
- superiore0
- Comparator
- four treatments with field water tubese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among the four treatments with field water tubes, 5 cm submergence when water level receded 5 cm below ground level in the field water tube (T6) was found superior in terms of yield, water saving and water saving impact”
t0“Rice (Oryza sativa L.)”
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