Abstract
A field experiment was conducted at Anbil Dharmalingam Agricultural College and Research Institute, Tamil Nadu Agricultural University, Tiruchirapalli during summer 2021 to study the effect of drip fertigation with different irrigation intervals and phosphorus sources on the productivity of green gram under sodic soil condition. The experiment consisted of four main plot treatments with different irrigation intervals such as drip irrigation in three days interval (M1), five days interval (M2), seven days interval (M3) compared with surface irrigation (M4). Subplot treatments consisted of different phosphorus sources viz., SSP (S1), DAP (S2) as soil application, MAP (S3) and Phosphoric acid (S4) as a fertigation and control plot without phosphorus application (S5). The experiment was laid out in split plot design with three replications. Drip irrigation was given at 80% PE. Drip fertigation was given once in five days interval. Results revealed that among the irrigation intervals, drip irrigation with five days intervals recorded significantly highest growth and yield characters such as plant height (39.9cm), number of branches plant-1(5.1), root length plant-1 (16.1cm), root nodules plant-1(12.4), dry matter production(3843 kg ha-1), LAI (6.3), yield attributes viz., number of pods plant-1 (40.8), number of seeds pod-1(12.4), pod length (8.0 cm), pod weight (3.46 g), grain yield (841kg ha-1) and haulm yield(1821 kg ha-1). However, drip irrigation with seven days interval recorded significantly higher growth, yield parameters than surface irrigation. Among the phosphorus sources fertigation of phosphoric acid recorded significantly taller plant (42.8cm), more number of branches plant-1 (5.8), root length plant-1 (14.5 cm), root nodules plants-1 (13.0), dry matter production (3463 kg ha-1), LAI (7.0) and yield attributes viz., number of pods plant-1 (41.5), pod length (12.2 cm), seeds pods-1 (12.2), seed weight (3.72 g), seed yield (814 kg ha-1) and haulm yield (2559 kg ha-1). Similarly, fertigation of MAP recorded significantly higher growth and yield parameters than the control plot. Thus, drip irrigation with 80% PE at five days interval and fertigation with either MAP or phosphoric acid as a source of phosphorus could be revealed for improving the productivity of green gram under sodic soil condition.
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Claims 11
Claim · model-written summary
Five-day drip irrigation produced significantly highest plant height, branch number, and root length.
- Taxon
- green gram
.jpg?width=60)
Vigna radiata var. radiatat0 - Treatment
- drip irrigation with five days intervalse0
- Outcome
- plant height (39.9cm), number of branches plant-1(5.1), root length plant-1 (16.1cm)e0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“drip irrigation with five days intervals recorded significantly highest growth and yield characters such as plant height (39.9cm), number of branches plant-1(5.1), root length plant-1 (16.1cm)”
t0“green gram”
Claim · model-written summary
Five-day drip irrigation produced significantly highest root nodules, dry matter production, and LAI.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- drip irrigation with five days intervalse1
- Outcome
- root nodules plant-1(12.4), dry matter production(3843 kg ha-1), LAI (6.3)e0
- Direction
- higheste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root nodules plant-1(12.4), dry matter production(3843 kg ha-1), LAI (6.3)”
e1“drip irrigation with five days intervals recorded significantly highest”
t0“green gram”
Claim · model-written summary
Five-day drip irrigation produced significantly highest pod number, seed number, and pod length.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- drip irrigation with five days intervalse1
- Outcome
- number of pods plant-1 (40.8), number of seeds pod-1(12.4), pod length (8.0 cm)e0
- Direction
- higheste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of pods plant-1 (40.8), number of seeds pod-1(12.4), pod length (8.0 cm)”
e1“drip irrigation with five days intervals recorded significantly highest”
t0“green gram”
Claim · model-written summary
Five-day drip irrigation produced significantly highest pod weight, grain yield, and haulm yield.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- drip irrigation with five days intervalse1
- Outcome
- pod weight (3.46 g), grain yield (841kg ha-1) and haulm yield(1821 kg ha-1)e0
- Direction
- higheste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pod weight (3.46 g), grain yield (841kg ha-1) and haulm yield(1821 kg ha-1)”
e1“drip irrigation with five days intervals recorded significantly highest”
t0“green gram”
Claim · model-written summary
Seven-day drip irrigation produced significantly higher growth and yield parameters than surface irrigation.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- drip irrigation with seven days intervale0
- Outcome
- growth, yield parameterse0
- Direction
- highere0
- Comparator
- surface irrigatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“drip irrigation with seven days interval recorded significantly higher growth, yield parameters than surface irrigation”
t0“green gram”
Claim · model-written summary
Phosphoric acid fertigation produced significantly taller plants, more branches, and greater root length.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- fertigation of phosphoric acide0
- Outcome
- plant (42.8cm), more number of branches plant-1 (5.8), root length plant-1 (14.5 cm)e0
- Direction
- tallere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fertigation of phosphoric acid recorded significantly taller plant (42.8cm), more number of branches plant-1 (5.8), root length plant-1 (14.5 cm)”
t0“green gram”
Claim · model-written summary
Phosphoric acid fertigation improved root nodules, dry matter production, and LAI.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- fertigation of phosphoric acide1
- Outcome
- root nodules plants-1 (13.0), dry matter production (3463 kg ha-1), LAI (7.0)e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root nodules plants-1 (13.0), dry matter production (3463 kg ha-1), LAI (7.0)”
e1“fertigation of phosphoric acid recorded significantly taller”
t0“green gram”
Claim · model-written summary
Phosphoric acid fertigation improved pod number, pod length, and seed number.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- fertigation of phosphoric acide1
- Outcome
- number of pods plant-1 (41.5), pod length (12.2 cm), seeds pods-1 (12.2)e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of pods plant-1 (41.5), pod length (12.2 cm), seeds pods-1 (12.2)”
e1“fertigation of phosphoric acid recorded significantly taller”
t0“green gram”
Claim · model-written summary
Phosphoric acid fertigation improved seed weight, seed yield, and haulm yield.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- fertigation of phosphoric acide1
- Outcome
- seed weight (3.72 g), seed yield (814 kg ha-1) and haulm yield (2559 kg ha-1)e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed weight (3.72 g), seed yield (814 kg ha-1) and haulm yield (2559 kg ha-1)”
e1“fertigation of phosphoric acid recorded significantly taller”
t0“green gram”
Claim · model-written summary
MAP fertigation produced significantly higher growth and yield parameters than the control plot.
- Taxon
- green gramVigna radiata var. radiatat0
- Treatment
- fertigation of MAPe0
- Outcome
- growth and yield parameterse0
- Direction
- highere0
- Comparator
- the control plote0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fertigation of MAP recorded significantly higher growth and yield parameters than the control plot”
t0“green gram”
Claim · model-written summary
The authors recommend five-day drip irrigation at 80% PE with MAP or phosphoric acid fertigation for green gram productivity under sodic soil.
- Taxon
- green gramVigna radiata var. radiatae0
- Outcome
- drip irrigation with 80% PE at five days interval and fertigation with either MAP or phosphoric acide0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“drip irrigation with 80% PE at five days interval and fertigation with either MAP or phosphoric acid as a source of phosphorus could be revealed for improving the productivity of green gram under sodic soil condition”
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