Abstract
Experiments was conducted during dry season at Agricultural Engineering College and Research Institute (TNAU), Kumulur in split plot design with three replication using ADT 49 (Medium duration) rice variety with the objectives to find out alternate method of sowing to overcome the labour scarcity in dry condition, to find out better spacing and crop geometry under mechanised sowing in dry condition and to study the effect of water level and seed rate on productivity under semi dry condition.The main plot treatment consisted of four levels of irrigation viz. Irrigation at critical stages up to 45 DAS (PI) and submergence of 2.5 cm(I1), Supplemental irrigation through Alternate Wetting and Drying (AWD) from 45 DAS (PI) up to harvest(I2), Continuous submergence of 2.5 cm (Farmers practices under wet condition)( I3) and Farmers practices (Farmers practices under dry condition).The sub plot treatment consisted of four levels of crop geometry with different levels of seed rate viz., Mechanised sowing @ 30 kg/ha (22.5x10 cm)( S1), Mechanised sowing 40 kg/ha (25 x15 cm)( S2), Mechanised sowing 50 kg/ha(25 x 8 cm) (S3) and Broad casting @ 75 kg/ha (S4). The experiment results showed that mechanised sowing of seed @ 40kg ha-1(25x 15 cm) by multi crop planter under dry condition along with supplemental irrigation through Alternate wetting and drying (AWD) method of irrigation had recorded highest establishment percentage, optimum number of productive tillers, highest number of grains per panicle, highest grain yield (7.91 t ha-1), net income (71,746 Rs ha-1), BCR (3.56) and highest water use efficiency (0.60 kg ha-1 mm-1) and net changes in income of Rs. 60,574 ha-1 when compare to farmers practices under semi dry rice cultivation.
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Claims 6
Claim · model-written summary
Mechanized sowing at 40 kg/ha with AWD gave the highest rice establishment percentage, productive tillers and grains per panicle versus farmer practice.
- Taxon
- rice
Oryza sativat0 - Treatment
- mechanised sowing of seed @ 40kg ha-1(25x 15 cm) by multi crop planter under dry condition along with supplemental irrigation through Alternate wetting and drying (AWD) method of irrigatione0
- Outcome
- establishment percentage, optimum number of productive tillers, highest number of grains per paniclee0
- Direction
- higheste0
- Comparator
- farmers practicese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mechanised sowing of seed @ 40kg ha-1(25x 15 cm) by multi crop planter under dry condition along with supplemental irrigation through Alternate wetting and drying (AWD) method of irrigation had recorded highest establishment percentage, optimum number of productive tillers, highest number of grains per panicle”
e1“when compare to farmers practices under semi dry rice cultivation”
t0“rice cultivation”
Claim · model-written summary
The sowing and AWD combination had the highest grain yield of 7.91 t ha-1.
- Taxon
- riceOryza sativat0
- Treatment
- mechanised sowing of seed @ 40kg ha-1(25x 15 cm) by multi crop planter under dry condition along with supplemental irrigation through Alternate wetting and drying (AWD) method of irrigatione0
- Outcome
- grain yielde0
- Direction
- higheste0
- Value
- 7.91 t ha-1e0
- Comparator
- farmers practicese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mechanised sowing of seed @ 40kg ha-1(25x 15 cm) by multi crop planter under dry condition along with supplemental irrigation through Alternate wetting and drying (AWD) method of irrigation had recorded highest establishment percentage, optimum number of productive tillers, highest number of grains per panicle, highest grain yield (7.91 t ha-1)”
e1“farmers practices under semi dry rice cultivation”
t0“rice cultivation”
Claim · model-written summary
The sowing and AWD combination yielded net income of 71,746 Rs ha-1.
- Taxon
- riceOryza sativat0
- Outcome
- net incomee0
- Value
- 71,746 Rs ha-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“net income (71,746 Rs ha-1)”
t0“rice cultivation”
Claim · model-written summary
The sowing and AWD combination achieved BCR of 3.56.
- Taxon
- riceOryza sativat0
- Outcome
- BCRe0
- Value
- 3.56e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BCR (3.56)”
t0“rice cultivation”
Claim · model-written summary
The sowing and AWD combination achieved the highest water use efficiency of 0.60 kg ha-1 mm-1.
- Taxon
- riceOryza sativat0
- Outcome
- water use efficiencye0
- Direction
- higheste0
- Value
- 0.60 kg ha-1 mm-1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest water use efficiency (0.60 kg ha-1 mm-1)”
t0“rice cultivation”
Claim · model-written summary
The sowing and AWD combination increased net income by Rs. 60,574 ha-1 relative to farmer practice.
- Taxon
- riceOryza sativat0
- Treatment
- mechanised sowing of seed @ 40kg ha-1(25x 15 cm)e1
- Outcome
- net changes in incomee0
- Value
- Rs. 60,574 ha-1e0
- Comparator
- farmers practicese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“net changes in income of Rs. 60,574 ha-1 when compare to farmers practices under semi dry rice cultivation”
e1“mechanised sowing of seed @ 40kg ha-1(25x 15 cm)”
t0“rice cultivation”
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