Abstract
Aim: Impact of rice husk biochar and nitrogen levels on growth and yield of kharif rice. Study Design: The experiment was laid out in a spilt plot design with different biochar doses in main plots and different nitrogen levels in subplots and was replicated thrice. Place and Duration of Study: The field experiment was conducted during the kharif season of 2020 and 2021 at the Agricultural College Farm, Bapatla, ANGRAU, Lam, Guntur, Andhra Pradesh. Methodology: The experiment was performed with twenty treatments in a split-plot design. The main plot comprised four biochar treatments and a subplot with five different nitrogen levels. Rice variety "BPT-5204" was taken as the test variety. The crop and soil observations during the experimentation were recorded at regular intervals. The test examined the significance of the treatment impact. Results: Results of the experiment revealed that among the biochar treatments, the application of biochar @ 7.5 t ha-1 treatment showed the highest plant growth parameters at harvest like plant height (104.8 and 107.0 cm), number of tillers m-2 (361.6 and 369.6), leaf area index (3.69 and 3.71) and yield parameters, i.e., the number of panicles m-2 (302.5 and 304.9), grain (5706 and 5860 kg ha-1) and straw yields (7347 and 7570 kg ha-1) and was found statistically at par with the application of biochar @ 5.0 t ha-1 treatment and significantly superior over rest of the treatments during kharif of 2020 and 2021. Plant height (106.2 and 108.1 cm), number of tillers m-2 (368.3 and 374.2), leaf area index (3.72 and 3.84), the number of panicles m-2 (284.9 and 289.6), grain yield (5865 and 5997 kg ha-1), and straw yield (7631 and 7848 kg ha-1) were significantly the highest with the application of 160 kg N ha-1, which was found statistically at par with 120 kg N ha-1 treatment and significantly superior over other treatments.
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Claims 12
Claim · model-written summary
Biochar at 7.5 t ha-1 gave the highest rice plant height, 104.8 and 107.0 cm across two seasons.
- Taxon
- Rice
Oryza sativat0 - Treatment
- biochar @ 7.5 t ha-1e0
- Outcome
- plant heighte0
- Direction
- higheste0
- Value
- 104.8 and 107.0 cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of biochar @ 7.5 t ha-1 treatment showed the highest plant growth parameters at harvest like plant height (104.8 and 107.0 cm)”
t0“Growth and Yield of Rice”
Claim · model-written summary
Biochar at 7.5 t ha-1 gave the highest tiller counts, 361.6 and 369.6 per square metre.
- Taxon
- RiceOryza sativat0
- Treatment
- biochar @ 7.5 t ha-1e0
- Outcome
- number of tillers m-2e0
- Direction
- higheste0
- Value
- 361.6 and 369.6e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“biochar @ 7.5 t ha-1 treatment showed the highest plant growth parameters at harvest like plant height (104.8 and 107.0 cm), number of tillers m-2 (361.6 and 369.6)”
t0“Growth and Yield of Rice”
Claim · model-written summary
Biochar at 7.5 t ha-1 gave the highest leaf area index, 3.69 and 3.71.
- Taxon
- RiceOryza sativat0
- Treatment
- biochar @ 7.5 t ha-1e0
- Outcome
- leaf area indexe0
- Direction
- higheste0
- Value
- 3.69 and 3.71e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“biochar @ 7.5 t ha-1 treatment showed the highest plant growth parameters at harvest like plant height (104.8 and 107.0 cm), number of tillers m-2 (361.6 and 369.6), leaf area index (3.69 and 3.71)”
t0“Growth and Yield of Rice”
Claim · model-written summary
Biochar at 7.5 t ha-1 gave the highest panicle counts, 302.5 and 304.9 per square metre.
- Taxon
- RiceOryza sativat1
- Treatment
- biochar @ 7.5 t ha-1t0
- Outcome
- number of panicles m-2e0
- Value
- 302.5 and 304.9e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“yield parameters, i.e., the number of panicles m-2 (302.5 and 304.9)”
t0“biochar @ 7.5 t ha-1”
t1“Growth and Yield of Rice”
Claim · model-written summary
Biochar at 7.5 t ha-1 gave rice grain yields of 5706 and 5860 kg ha-1.
- Taxon
- RiceOryza sativat1
- Treatment
- biochar @ 7.5 t ha-1t0
- Outcome
- graine0
- Value
- 5706 and 5860 kg ha-1e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain (5706 and 5860 kg ha-1)”
t0“biochar @ 7.5 t ha-1”
t1“Growth and Yield of Rice”
Claim · model-written summary
Biochar at 7.5 t ha-1 gave rice straw yields of 7347 and 7570 kg ha-1.
- Taxon
- RiceOryza sativat1
- Treatment
- biochar @ 7.5 t ha-1t0
- Outcome
- straw yieldse0
- Value
- 7347 and 7570 kg ha-1e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“straw yields (7347 and 7570 kg ha-1)”
t0“biochar @ 7.5 t ha-1”
t1“Growth and Yield of Rice”
Claim · model-written summary
Nitrogen at 160 kg N ha-1 gave the highest plant height of 106.2 and 108.1 cm.
- Taxon
- RiceOryza sativat1
- Treatment
- 160 kg N ha-1t0
- Outcome
- Plant heighte0
- Direction
- highestt0
- Value
- 106.2 and 108.1 cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plant height (106.2 and 108.1 cm)”
t0“significantly the highest with the application of 160 kg N ha-1”
t1“Growth and Yield of Rice”
Claim · model-written summary
Nitrogen at 160 kg N ha-1 gave the highest tiller counts of 368.3 and 374.2 per square metre.
- Taxon
- RiceOryza sativat1
- Treatment
- 160 kg N ha-1t0
- Outcome
- number of tillers m-2e0
- Direction
- highestt0
- Value
- 368.3 and 374.2e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of tillers m-2 (368.3 and 374.2)”
t0“significantly the highest with the application of 160 kg N ha-1”
t1“Growth and Yield of Rice”
Claim · model-written summary
Nitrogen at 160 kg N ha-1 gave the highest leaf area index of 3.72 and 3.84.
- Taxon
- RiceOryza sativat1
- Treatment
- 160 kg N ha-1t0
- Outcome
- leaf area indexe0
- Direction
- highestt0
- Value
- 3.72 and 3.84e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf area index (3.72 and 3.84)”
t0“significantly the highest with the application of 160 kg N ha-1”
t1“Growth and Yield of Rice”
Claim · model-written summary
Nitrogen at 160 kg N ha-1 gave the highest panicle counts of 284.9 and 289.6 per square metre.
- Taxon
- RiceOryza sativat1
- Treatment
- 160 kg N ha-1t0
- Outcome
- number of panicles m-2e0
- Direction
- highestt0
- Value
- 284.9 and 289.6e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of panicles m-2 (284.9 and 289.6)”
t0“significantly the highest with the application of 160 kg N ha-1”
t1“Growth and Yield of Rice”
Claim · model-written summary
Nitrogen at 160 kg N ha-1 gave the highest grain yield of 5865 and 5997 kg ha-1.
- Taxon
- RiceOryza sativat1
- Treatment
- 160 kg N ha-1t0
- Outcome
- grain yielde0
- Direction
- highestt0
- Value
- 5865 and 5997 kg ha-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“grain yield (5865 and 5997 kg ha-1)”
t0“significantly the highest with the application of 160 kg N ha-1”
t1“Growth and Yield of Rice”
Claim · model-written summary
Nitrogen at 160 kg N ha-1 gave the highest straw yield of 7631 and 7848 kg ha-1.
- Taxon
- RiceOryza sativat1
- Treatment
- 160 kg N ha-1t0
- Outcome
- straw yielde0
- Direction
- highestt0
- Value
- 7631 and 7848 kg ha-1e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“straw yield (7631 and 7848 kg ha-1)”
t0“significantly the highest with the application of 160 kg N ha-1”
t1“Growth and Yield of Rice”
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