Abstract
A field plot trial was conducted at Songbai Village, Chenzhou, Hunan Province to exa-mine the effects of alkaline fertilizer with and without combination application of bacterial regent on cadmium accumulation in rice and paddy soil. Compared with the conventional fertilizer, the alkaline fertilizer reduced the available cadmium content in soil at the tillering, filling and the harvest stages by 8.3%, 6.7% and 16.4% respectively. Compared with the Cd content in soil before transplanting, it was reduced by 7.2% at harvest time in alkaline fertilizer treatment, while increased by 11.0% in the conventional fertilizer treatment. The available cadmium content in soil was increased by 1.2% to 23.3% by bacterial regent. Compared with the conventional fertilizer, the cadmium content of root, stem sheath, leaf, grain and brown rice of the alkaline fertilizer treatment reduced by 54.9%, 56.6%, 41.8%, 62.7% and 67.6% respectively. The alkaline fertilizer treatment combined with bacterial regent increased the cadmium content of brown rice by 63.2%. It was concluded that the alkaline fertilizer could significantly reduce the available cadmium content in both soil and the different organs of the rice, however, when it was combined with bacterial regent together, the effect of alkaline fertilizer to reduce Cd content of brown rice would be declined.
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Claims 12
Claim · model-written summary
Alkaline fertilizer reduced available soil cadmium by 8.3% at tillering relative to conventional fertilizer.
- Taxon
- rice
Oryza sativat0 - Organ / stage
- tilleringe0
- Treatment
- alkaline fertilizere0
- Outcome
- available cadmium content in soile0
- Direction
- reducede0
- Value
- 8.3%e0
- Comparator
- conventional fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the conventional fertilizer, the alkaline fertilizer reduced the available cadmium content in soil at the tillering, filling and the harvest stages by 8.3%, 6.7% and 16.4% respectively.”
t0“rice and paddy soil”
Claim · model-written summary
Alkaline fertilizer reduced available soil cadmium by 6.7% at filling relative to conventional fertilizer.
- Taxon
- riceOryza sativat0
- Organ / stage
- fillinge0
- Treatment
- alkaline fertilizere0
- Outcome
- available cadmium content in soile0
- Direction
- reducede0
- Value
- 6.7%e0
- Comparator
- conventional fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the conventional fertilizer, the alkaline fertilizer reduced the available cadmium content in soil at the tillering, filling and the harvest stages by 8.3%, 6.7% and 16.4% respectively.”
t0“rice and paddy soil”
Claim · model-written summary
Alkaline fertilizer reduced available soil cadmium by 16.4% at harvest relative to conventional fertilizer.
- Taxon
- riceOryza sativat0
- Organ / stage
- harveste0
- Treatment
- alkaline fertilizere0
- Outcome
- available cadmium content in soile0
- Direction
- reducede0
- Value
- 16.4%e0
- Comparator
- conventional fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the conventional fertilizer, the alkaline fertilizer reduced the available cadmium content in soil at the tillering, filling and the harvest stages by 8.3%, 6.7% and 16.4% respectively.”
t0“rice and paddy soil”
Claim · model-written summary
Available soil cadmium fell by 7.2% from before transplanting to harvest with alkaline fertilizer.
- Taxon
- riceOryza sativat0
- Treatment
- alkaline fertilizer treatmente0
- Outcome
- Cd content in soile0
- Direction
- reducede0
- Value
- 7.2%e0
- Comparator
- Cd content in soil before transplantinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the Cd content in soil before transplanting, it was reduced by 7.2% at harvest time in alkaline fertilizer treatment, while increased by 11.0% in the conventional fertilizer treatment.”
t0“rice and paddy soil”
Claim · model-written summary
Available soil cadmium rose by 11.0% from before transplanting to harvest with conventional fertilizer.
- Taxon
- riceOryza sativat0
- Treatment
- conventional fertilizer treatmente0
- Outcome
- Cd content in soile0
- Direction
- increasede0
- Value
- 11.0%e0
- Comparator
- Cd content in soil before transplantinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the Cd content in soil before transplanting, it was reduced by 7.2% at harvest time in alkaline fertilizer treatment, while increased by 11.0% in the conventional fertilizer treatment.”
t0“rice and paddy soil”
Claim · model-written summary
Bacterial reagent increased available soil cadmium by 1.2% to 23.3%.
- Taxon
- riceOryza sativat0
- Treatment
- bacterial regente0
- Outcome
- available cadmium content in soile0
- Direction
- increasede0
- Value
- 1.2% to 23.3%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The available cadmium content in soil was increased by 1.2% to 23.3% by bacterial regent.”
t0“rice and paddy soil”
Claim · model-written summary
Alkaline fertilizer reduced rice root cadmium by 54.9% relative to conventional fertilizer.
- Taxon
- riceOryza sativae0
- Organ / stage
- roote0
- Treatment
- alkaline fertilizer treatmente0
- Outcome
- cadmium content of roote0
- Direction
- reducede0
- Value
- 54.9%e0
- Comparator
- conventional fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the conventional fertilizer, the cadmium content of root, stem sheath, leaf, grain and brown rice of the alkaline fertilizer treatment reduced by 54.9%, 56.6%, 41.8%, 62.7% and 67.6% respectively.”
Claim · model-written summary
Alkaline fertilizer reduced rice stem sheath cadmium by 56.6% relative to conventional fertilizer.
- Taxon
- riceOryza sativae0
- Organ / stage
- stem sheathe0
- Treatment
- alkaline fertilizer treatmente0
- Outcome
- cadmium content of root, stem sheathe0
- Direction
- reducede0
- Value
- 56.6%e0
- Comparator
- conventional fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the conventional fertilizer, the cadmium content of root, stem sheath, leaf, grain and brown rice of the alkaline fertilizer treatment reduced by 54.9%, 56.6%, 41.8%, 62.7% and 67.6% respectively.”
Claim · model-written summary
Alkaline fertilizer reduced rice leaf cadmium by 41.8% relative to conventional fertilizer.
- Taxon
- riceOryza sativae0
- Organ / stage
- leafe0
- Treatment
- alkaline fertilizer treatmente0
- Outcome
- cadmium content of root, stem sheath, leafe0
- Direction
- reducede0
- Value
- 41.8%e0
- Comparator
- conventional fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the conventional fertilizer, the cadmium content of root, stem sheath, leaf, grain and brown rice of the alkaline fertilizer treatment reduced by 54.9%, 56.6%, 41.8%, 62.7% and 67.6% respectively.”
Claim · model-written summary
Alkaline fertilizer reduced rice grain cadmium by 62.7% relative to conventional fertilizer.
- Taxon
- riceOryza sativae0
- Organ / stage
- graine0
- Treatment
- alkaline fertilizer treatmente0
- Outcome
- cadmium content of root, stem sheath, leaf, graine0
- Direction
- reducede0
- Value
- 62.7%e0
- Comparator
- conventional fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the conventional fertilizer, the cadmium content of root, stem sheath, leaf, grain and brown rice of the alkaline fertilizer treatment reduced by 54.9%, 56.6%, 41.8%, 62.7% and 67.6% respectively.”
Claim · model-written summary
Alkaline fertilizer reduced brown rice cadmium by 67.6% relative to conventional fertilizer.
- Taxon
- riceOryza sativae0
- Organ / stage
- brown ricee0
- Treatment
- alkaline fertilizer treatmente0
- Outcome
- cadmium content of root, stem sheath, leaf, grain and brown ricee0
- Direction
- reducede0
- Value
- 67.6%e0
- Comparator
- conventional fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Compared with the conventional fertilizer, the cadmium content of root, stem sheath, leaf, grain and brown rice of the alkaline fertilizer treatment reduced by 54.9%, 56.6%, 41.8%, 62.7% and 67.6% respectively.”
Claim · model-written summary
Adding bacterial reagent to alkaline fertilizer increased brown rice cadmium by 63.2%.
- Taxon
- riceOryza sativae0
- Organ / stage
- brown ricee0
- Treatment
- alkaline fertilizer treatment combined with bacterial regente0
- Outcome
- cadmium content of brown ricee0
- Direction
- increasede0
- Value
- 63.2%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The alkaline fertilizer treatment combined with bacterial regent increased the cadmium content of brown rice by 63.2%.”
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