Abstract
This study aimed to determine the effects of different dosages of an organic amendment, consisting of a Chinese herbal compound, on cassava growth and rhizosphere microbial diversity. In this study, cassava SC8 growth was determined under four treatments. The growth was promoted with the application of an organic herbal compound amendment, biochar powder, and an agent, in the following groups: 900 kg/ha of organic amendment powder (topdressing) + agent (T1); 1200 kg/ha of organic amendment powder (topdressing) + agent (T2); 1500 kg/ha of organic amendment powder (topdressing) + agent (T3); and an unfertilized control (T4). After 240 days of treatment, the height, the diameter of the stem, the maximum perimeter of the cassava, the tuber number, the weight of a single tuber, the yield per hectare, the mineral elements in the cassava plant, the ash content in the starch and the microbial diversity in the soil were measured. Compared with the control group, the application of 1200 kg of the Chinese herbal compound amendment per ha (T2) had the strongest positive effect on cassava growth, while the height, diameter of the stem and yield per hectare all showed increases of 24.22%, 18.82% and 35.71%, respectively. As for the dry matter content of the tubers, that of T2 decreased by 5.96% compared with T4, while no substantial difference existed among the other groups. The Fe content in T2 decreased by 29.46%, and the Zn in T3 increased by 39.48%, while the contents of other metal ions in the four treatment groups showed no substantial difference. At the same time, the experiment also revealed that, in terms of the bacterial abundance in the soil, Streptophyta dominated in T2, and Fimbriimonas was the unique genera of T2. In addition, the abundances of Nocardioides and unclassfied_Spartobacteria in the T2 group were greatly considerable compared to the other treatment groups. In terms of the fungal abundance in the soil, after being treated with different concentrations, the composition of the soil’s fungi differed greatly among the groups, and the samples at different concentrations contained more than 20 species of unique bacteria. At the genus level, compared with the control group, the relative abundance of unclassfied_Chaetomiaceae in the treatment groups was considerably reduced, and the relative abundance of Psathyrella in T1 increased substantially. The results indicated that the organic amendment could improve the growth of cassava, as well as help to enhance the diversity and optimize the composition of the rhizosphere microbiome.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 15
Claim · model-written summary
The 1200 kg/ha amendment increased cassava height by 24.22% compared with the control.
- Taxon
- Cassava
Manihot esculentat0 - Treatment
- 1200 kg of the Chinese herbal compound amendment per ha (T2)e0
- Outcome
- heighte0
- Direction
- increasese0
- Value
- 24.22%e0
- Comparator
- control groupe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e0“Compared with the control group, the application of 1200 kg of the Chinese herbal compound amendment per ha (T2) had the strongest positive effect on cassava growth, while the height, diameter of the stem and yield per hectare all showed increases of 24.22%, 18.82% and 35.71%, respectively”
Claim · model-written summary
The 1200 kg/ha amendment increased cassava stem diameter by 18.82% compared with the control.
- Taxon
- CassavaManihot esculentat0
- Treatment
- 1200 kg of the Chinese herbal compound amendment per ha (T2)e0
- Outcome
- diameter of the steme0
- Direction
- increasese0
- Value
- 18.82%e0
- Comparator
- control groupe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e0“Compared with the control group, the application of 1200 kg of the Chinese herbal compound amendment per ha (T2) had the strongest positive effect on cassava growth, while the height, diameter of the stem and yield per hectare all showed increases of 24.22%, 18.82% and 35.71%, respectively”
Claim · model-written summary
The 1200 kg/ha amendment increased cassava yield per hectare by 35.71% compared with the control.
- Taxon
- CassavaManihot esculentat0
- Treatment
- 1200 kg of the Chinese herbal compound amendment per ha (T2)e0
- Outcome
- yield per hectaree0
- Direction
- increasese0
- Value
- 35.71%e0
- Comparator
- control groupe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e0“Compared with the control group, the application of 1200 kg of the Chinese herbal compound amendment per ha (T2) had the strongest positive effect on cassava growth, while the height, diameter of the stem and yield per hectare all showed increases of 24.22%, 18.82% and 35.71%, respectively”
Claim · model-written summary
T2 decreased tuber dry matter content by 5.96% compared with T4.
- Taxon
- CassavaManihot esculentat0
- Treatment
- T2e1
- Outcome
- dry matter content of the tuberse1
- Direction
- decreasede1
- Value
- 5.96%e1
- Comparator
- T4e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e1“As for the dry matter content of the tubers, that of T2 decreased by 5.96% compared with T4, while no substantial difference existed among the other groups”
Claim · model-written summary
Among the other treatment groups, tuber dry matter content showed no substantial difference.
- Taxon
- CassavaManihot esculentat0
- Treatment
- other groupse1
- Outcome
- dry matter content of the tuberse1
- Direction
- no substantial differencee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e1“As for the dry matter content of the tubers, that of T2 decreased by 5.96% compared with T4, while no substantial difference existed among the other groups”
Claim · model-written summary
T2 decreased soil Fe content by 29.46%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e2“The Fe content in T2 decreased by 29.46%, and the Zn in T3 increased by 39.48%, while the contents of other metal ions in the four treatment groups showed no substantial difference”
Claim · model-written summary
T3 increased Zn content by 39.48%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e2“The Fe content in T2 decreased by 29.46%, and the Zn in T3 increased by 39.48%, while the contents of other metal ions in the four treatment groups showed no substantial difference”
Claim · model-written summary
The contents of other metal ions showed no substantial difference among the four treatment groups.
- Taxon
- CassavaManihot esculentat0
- Treatment
- four treatment groupse2
- Outcome
- contents of other metal ionse2
- Direction
- no substantial differencee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e2“The Fe content in T2 decreased by 29.46%, and the Zn in T3 increased by 39.48%, while the contents of other metal ions in the four treatment groups showed no substantial difference”
Claim · model-written summary
Streptophyta dominated the soil bacterial abundance in T2.
- Taxon
- CassavaManihot esculentat0
- Treatment
- T2e3
- Interactor
- StreptophytaStreptophytae3other
- Outcome
- bacterial abundance in the soile3
- Direction
- dominatede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e3“in terms of the bacterial abundance in the soil, Streptophyta dominated in T2, and Fimbriimonas was the unique genera of T2”
Claim · model-written summary
Fimbriimonas was the unique genus in T2.
- Taxon
- CassavaManihot esculentat0
- Interactor
- FimbriimonasFimbriimonase3other
- Outcome
- unique generae3
- Qualifier
- T2e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e3“in terms of the bacterial abundance in the soil, Streptophyta dominated in T2, and Fimbriimonas was the unique genera of T2”
Claim · model-written summary
Nocardioides and unclassfied_Spartobacteria abundances were greatly considerable in the T2 group compared with the other treatment groups.
- Taxon
- CassavaManihot esculentat0
- Treatment
- T2 groupe4
- Interactor
- Nocardioides and unclassfied_Spartobacteriae4other
- Outcome
- abundancese4
- Direction
- greatly considerablee4
- Comparator
- other treatment groupse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e4“In addition, the abundances of Nocardioides and unclassfied_Spartobacteria in the T2 group were greatly considerable compared to the other treatment groups”
Claim · model-written summary
The fungal composition in soil differed greatly among the treatment groups.
- Taxon
- CassavaManihot esculentat0
- Treatment
- different concentrationse5
- Outcome
- composition of the soil’s fungie5
- Direction
- differed greatlye5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e5“In terms of the fungal abundance in the soil, after being treated with different concentrations, the composition of the soil’s fungi differed greatly among the groups, and the samples at different concentrations contained more than 20 species of unique bacteria”
Claim · model-written summary
The samples at different concentrations contained more than 20 species of unique bacteria.
- Taxon
- CassavaManihot esculentat0
- Treatment
- different concentrationse5
- Outcome
- species of unique bacteriae5
- Value
- more than 20e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e5“In terms of the fungal abundance in the soil, after being treated with different concentrations, the composition of the soil’s fungi differed greatly among the groups, and the samples at different concentrations contained more than 20 species of unique bacteria”
Claim · model-written summary
Compared with the control group, the amendment treatment groups had a considerably reduced relative abundance of unclassfied_Chaetomiaceae.
- Taxon
- CassavaManihot esculentat0
- Treatment
- treatment groupse6
- Interactor
- unclassfied_Chaetomiaceaee6other
- Outcome
- relative abundance of unclassfied_Chaetomiaceaee6
- Direction
- considerably reducede6
- Comparator
- control groupe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e6“At the genus level, compared with the control group, the relative abundance of unclassfied_Chaetomiaceae in the treatment groups was considerably reduced, and the relative abundance of Psathyrella in T1 increased substantially”
Claim · model-written summary
Psathyrella relative abundance increased substantially in T1 compared with the control group.
- Taxon
- CassavaManihot esculentat0
- Treatment
- T1e6
- Interactor
- Psathyrella
Psathyrellae6other - Outcome
- relative abundance of Psathyrellae6
- Direction
- increased substantiallye6
- Comparator
- control groupe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of an Organic Amendment on Cassava Growth and Rhizosphere Microbial Diversity”
e6“At the genus level, compared with the control group, the relative abundance of unclassfied_Chaetomiaceae in the treatment groups was considerably reduced, and the relative abundance of Psathyrella in T1 increased substantially”
The same questions in other papers
other · growth · Manihot esculenta (cassava)Positive and negative results
6 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
4 papers more in this group
See all 8 papers →other · yield · Manihot esculenta (cassava)Positive and negative results
7 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
5 papers more in this group
See all 9 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.