Abstract
Intercropping of Azolla with rice transplanted in rectangular (10 x 40 cm) spacing produced greater biomass and accumulated more nitrogen in the Azolla than its intercropping in square (20 x 20 cm) spacing. The differences in biomass and N accumulations were greater in the second crop of Azolla at 50 days after transplanting (DAT) of the rice crop than in the first crop of Azolla at 30 DAT. The E-W direction of rice rows in the rectangular spacing produced greater biomass and fixed more nitrogen in the Azolla than with rice rows in the N-S direction. Growing and incorporating Azolla once before transplanting and twice after transplanting produced the highest grain and straw yields, greatest number and weight of panicles, and N uptake by rice. The application of Azolla also significantly improved the soil fertility by increasing total N, organic C and available P of the soil.
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Claims 9
Claim · model-written summary
Rectangular rice spacing increased Azolla biomass compared with square spacing.
- Taxon
- rice
Oryza sativae0 - Treatment
- rectangular (10 x 40 cm) spacinge0
- Outcome
- biomasse0
- Direction
- greatere0
- Comparator
- square (20 x 20 cm) spacinge0
AzollaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Intercropping of Azolla with rice transplanted in rectangular (10 x 40 cm) spacing produced greater biomass and accumulated more nitrogen in the Azolla than its intercropping in square (20 x 20 cm) spacing.”
Claim · model-written summary
Rectangular rice spacing increased Azolla nitrogen accumulation compared with square spacing.
- Taxon
- riceOryza sativae0
- Treatment
- rectangular (10 x 40 cm) spacinge0
- Outcome
- nitrogen in the Azollae0
- Direction
- moree0
- Comparator
- square (20 x 20 cm) spacinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Intercropping of Azolla with rice transplanted in rectangular (10 x 40 cm) spacing produced greater biomass and accumulated more nitrogen in the Azolla than its intercropping in square (20 x 20 cm) spacing.”
Claim · model-written summary
The spacing differences in Azolla biomass and nitrogen accumulation were greater in the second crop than first crop.
- Taxon
- riceOryza sativae0
- Outcome
- differences in biomass and N accumulationse0
- Direction
- greatere0
- Comparator
- first crop of Azolla at 30 DATe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The differences in biomass and N accumulations were greater in the second crop of Azolla at 50 days after transplanting (DAT) of the rice crop than in the first crop of Azolla at 30 DAT.”
Claim · model-written summary
East-west rice rows increased Azolla biomass relative to north-south rows.
- Taxon
- riceOryza sativae0
- Treatment
- E-W direction of rice rowse0
- Outcome
- biomasse0
- Direction
- greatere0
- Comparator
- N-S directione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The E-W direction of rice rows in the rectangular spacing produced greater biomass and fixed more nitrogen in the Azolla than with rice rows in the N-S direction.”
Claim · model-written summary
East-west rice rows increased Azolla nitrogen fixation relative to north-south rows.
- Taxon
- riceOryza sativae0
- Treatment
- E-W direction of rice rowse0
- Outcome
- nitrogen in the Azollae0
- Direction
- moree0
- Comparator
- N-S directione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The E-W direction of rice rows in the rectangular spacing produced greater biomass and fixed more nitrogen in the Azolla than with rice rows in the N-S direction.”
Claim · model-written summary
Azolla grown and incorporated once before and twice after transplanting produced the highest rice grain yield.
- Taxon
- riceOryza sativae0
- Treatment
- Growing and incorporating Azolla once before transplanting and twice after transplantinge0
- Outcome
- grain and straw yieldse0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growing and incorporating Azolla once before transplanting and twice after transplanting produced the highest grain and straw yields, greatest number and weight of panicles, and N uptake by rice.”
Claim · model-written summary
That Azolla schedule produced the greatest panicle number and weight.
- Taxon
- riceOryza sativae0
- Treatment
- Growing and incorporating Azolla once before transplanting and twice after transplantinge0
- Outcome
- number and weight of paniclese0
- Direction
- greateste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growing and incorporating Azolla once before transplanting and twice after transplanting produced the highest grain and straw yields, greatest number and weight of panicles, and N uptake by rice.”
Claim · model-written summary
That Azolla schedule produced the greatest rice nitrogen uptake.
- Taxon
- riceOryza sativae0
- Treatment
- Growing and incorporating Azolla once before transplanting and twice after transplantinge0
- Outcome
- N uptake by ricee0
- Direction
- greateste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growing and incorporating Azolla once before transplanting and twice after transplanting produced the highest grain and straw yields, greatest number and weight of panicles, and N uptake by rice.”
Claim · model-written summary
Azolla application significantly increased soil total nitrogen, organic carbon and available phosphorus.
- Taxon
- riceOryza sativat0
- Treatment
- application of Azollae0
- Outcome
- total N, organic C and available P of the soile0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of Azolla also significantly improved the soil fertility by increasing total N, organic C and available P of the soil.”
t0“rice”
The same questions in other papers
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- no effect
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921 papers in the same direction as this paper · 132 in the opposite direction · 24 reporting no difference from an alternative
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See all 1,078 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.