Abstract
A field experiment was conducted with four herbicides viz. butachlor [N-(butoxymethyl)-2-chloro-2´,6´-diethyl-acetanilide], fluchloralin [N-(2-chloroethyl)-2-6-dinitro-N-propyl-4-trifluoromethyl) aniline], oxadiazon [5-terbutyl-3-(2, 4-dichloro-5-isopropoxyphenyl)-1, 3, 4-oxadiazol-2-one] and oxyfluorfen [2-chloro-1-(3-ethoxy-4-nitrophenyl)-4-(trifluoromethyl) benzene] at rates of 2.0, 1.5, 0.4 and 0.12 kg a.i. ha−1, respectively, to investigate their effects on the growth and activities of non-symbiotic N2fixing bacteria in relation to mineralization and availability of nitrogen in the rhizosphere soil as well as yield of the rice crop (Oryza sativa L. variety IR-36). Application of herbicides stimulated the population and activities of non-symbiotic N2-fixing bacteria, mineralization of total nitrogen and availability of inorganic nitrogen in the rhizosphere soil resulting in greater yield of the crop. Among the herbicides oxyfluorfen was more stimulative followed by fluchloralin and butachlor. Oxadiazon also highly accentuated the mineralization and availability of nitrogen in the rhizosphere soil. The yield of the crop was significantly increased due to the application of oxyfluorfen and fluchloralin.
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Claims 5
Claim · model-written summary
Herbicide application stimulated non-symbiotic N2-fixing bacteria and nitrogen mineralization and availability in rice rhizosphere soil.
- Taxon
- rice
Oryza sativae0 - Treatment
- Application of herbicidese1
- Interactor
- non-symbiotic N2-fixing bacteriae1other
- Outcome
- population and activities of non-symbiotic N2-fixing bacteria, mineralization of total nitrogen and availability of inorganic nitrogene1
- Direction
- stimulatede1
- Setting
- rhizosphere soile1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“yield of the rice crop (Oryza sativa L. variety IR-36)”
e1“Application of herbicides stimulated the population and activities of non-symbiotic N2-fixing bacteria, mineralization of total nitrogen and availability of inorganic nitrogen in the rhizosphere soil resulting in greater yield of the crop”
Claim · model-written summary
Herbicide application gave a greater rice yield.
- Taxon
- riceOryza sativae0
- Treatment
- Application of herbicidese1
- Outcome
- yield of the crope1
- Direction
- greatere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“yield of the rice crop (Oryza sativa L. variety IR-36)”
e1“Application of herbicides stimulated the population and activities of non-symbiotic N2-fixing bacteria, mineralization of total nitrogen and availability of inorganic nitrogen in the rhizosphere soil resulting in greater yield of the crop”
Claim · model-written summary
Oxyfluorfen and fluchloralin significantly increased rice yield.
- Taxon
- riceOryza sativae0
- Treatment
- application of oxyfluorfen and fluchloraline4
- Outcome
- yield of the crope4
- Direction
- increasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“yield of the rice crop (Oryza sativa L. variety IR-36)”
e4“The yield of the crop was significantly increased due to the application of oxyfluorfen and fluchloralin”
Claim · model-written summary
Oxyfluorfen was more stimulative than fluchloralin and butachlor in rice rhizosphere.
- Taxon
- riceOryza sativae0
- Treatment
- oxyfluorfene2
- Outcome
- more stimulativee2
- Direction
- more stimulativee2
- Comparator
- fluchloralin and butachlore2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“yield of the rice crop (Oryza sativa L. variety IR-36)”
e2“Among the herbicides oxyfluorfen was more stimulative followed by fluchloralin and butachlor”
Claim · model-written summary
Oxadiazon highly accentuated mineralization and availability of nitrogen in rice rhizosphere soil.
- Taxon
- riceOryza sativae0
- Treatment
- Oxadiazone3
- Outcome
- mineralization and availability of nitrogene3
- Direction
- highly accentuatede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“yield of the rice crop (Oryza sativa L. variety IR-36)”
e3“Oxadiazon also highly accentuated the mineralization and availability of nitrogen in the rhizosphere soil”
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- no effect
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See all 802 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.