Abstract
The effects of large granular slow-controlled release fertiliser prepared by a double coating of sulfur and sodium alginate on peanut growth, nitrogen fertiliser utilisation, and soil microbial community were investigated through peanut pot experiments, with a view to providing a theoretical and practical basis for the development of large granular slow-controlled release fertiliser. The results showed that the homemade large granular fertiliser could promote the root development of peanuts, and the root volume increased by 45.10% compared with the uncoated fertiliser at the fruiting stage. At the same time, the soil NH4+-N and NO3–-N content were reduced at the seedling stage and increased at the fruiting stage to achieve the fertiliser’s slow and controlled release effect. A significant contribution to the net photosynthetic rate was made for growth development and yield in the middle and late stages. Pod dry weight was significantly higher at the blooming stage than uncoated fertiliser, 4.8% higher at the fruiting stage, and 22.9% higher in nitrogen use efficiency (NUE). In terms of microbial bacterial communities, the large granular slow-release fertiliser promoted the diversity of the treated bacterial communities to some extent, with little difference in the relative abundance of soil bacterial communities. These results showed that a one-time application of homemade large granular slow-release fertiliser positively affected peanuts in terms of yield increase, promotion of nitrogen uptake and improved nitrogen utilisation under nitrogen application with urea equivalent, but the overall effect on soil microbial community was small.
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Claims 12
Claim · model-written summary
The homemade large granular fertiliser increased peanut root volume at the fruiting stage by 45.10% relative to uncoated fertiliser.
- Taxon
- peanut
Arachis hypogaeat0 - Organ / stage
- fruiting stagee1
- Treatment
- homemade large granular fertilisere0
- Outcome
- root volumee1
- Direction
- increasede1
- Value
- 45.10%e1
- Comparator
- uncoated fertilisere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e0“the homemade large granular fertiliser could promote the root development of peanuts”
e1“the root volume increased by 45.10% compared with the uncoated fertiliser at the fruiting stage”
Claim · model-written summary
Soil NH4+-N and NO3–-N content was reduced at the seedling stage under the slow-release fertiliser.
- Taxon
- peanutArachis hypogaeat0
- Organ / stage
- seedling stagee2
- Outcome
- NH4+-N and NO3–-N contente2
- Direction
- reducede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e2“the soil NH4+-N and NO3–-N content were reduced at the seedling stage”
Claim · model-written summary
Soil NH4+-N and NO3–-N content was increased at the fruiting stage under the slow-release fertiliser.
- Taxon
- peanutArachis hypogaeat0
- Organ / stage
- fruiting stagee3
- Outcome
- NH4+-N and NO3–-N contente3
- Direction
- increasede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e3“the soil NH4+-N and NO3–-N content were reduced at the seedling stage and increased at the fruiting stage”
Claim · model-written summary
The slow-release fertiliser significantly contributed to the net photosynthetic rate of peanut in the middle and late stages.
- Taxon
- peanutArachis hypogaeat0
- Organ / stage
- middle and late stagese4
- Outcome
- net photosynthetic ratee4
- Direction
- increaseinferrede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e4“A significant contribution to the net photosynthetic rate was made for growth development and yield in the middle and late stages”
Claim · model-written summary
Pod dry weight of peanut was significantly higher at the blooming stage with the homemade fertiliser than with uncoated fertiliser.
- Taxon
- peanutArachis hypogaeat0
- Organ / stage
- blooming stagee5
- Treatment
- homemade large granular fertilisere0
- Outcome
- Pod dry weighte5
- Direction
- highere5
- Comparator
- uncoated fertilisere5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e0“the homemade large granular fertiliser could promote the root development of peanuts”
e5“Pod dry weight was significantly higher at the blooming stage than uncoated fertiliser”
Claim · model-written summary
Pod dry weight of peanut was 4.8% higher at the fruiting stage with the homemade fertiliser than with uncoated fertiliser.
- Taxon
- peanutArachis hypogaeat0
- Organ / stage
- fruiting stagee6
- Treatment
- homemade large granular fertilisere0
- Outcome
- Pod dry weighte5
- Direction
- highere6
- Value
- 4.8%e6
- Comparator
- uncoated fertilisere5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e0“the homemade large granular fertiliser could promote the root development of peanuts”
e5“Pod dry weight was significantly higher at the blooming stage than uncoated fertiliser”
e6“4.8% higher at the fruiting stage, and 22.9% higher in nitrogen use efficiency (NUE)”
Claim · model-written summary
Nitrogen use efficiency of peanut was 22.9% higher with the homemade fertiliser than with uncoated fertiliser.
- Taxon
- peanutArachis hypogaeat0
- Treatment
- homemade large granular fertilisere0
- Outcome
- nitrogen use efficiencye6
- Direction
- highere6
- Value
- 22.9%e6
- Comparator
- uncoated fertilisere5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e0“the homemade large granular fertiliser could promote the root development of peanuts”
e5“Pod dry weight was significantly higher at the blooming stage than uncoated fertiliser”
e6“4.8% higher at the fruiting stage, and 22.9% higher in nitrogen use efficiency (NUE)”
Claim · model-written summary
The large granular slow-release fertiliser promoted the diversity of bacterial communities in peanut soil to some extent.
- Taxon
- peanutArachis hypogaeat0
- Treatment
- large granular slow-release fertilisere7
- Outcome
- diversity of the treated bacterial communitiese7
- Direction
- promotede7
- Qualifier
- to some extente7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e7“the large granular slow-release fertiliser promoted the diversity of the treated bacterial communities to some extent”
Claim · model-written summary
The large granular slow-release fertiliser caused little change in the relative abundance of soil bacterial communities.
- Taxon
- peanutArachis hypogaeat0
- Treatment
- large granular slow-release fertilisere7
- Outcome
- relative abundance of soil bacterial communitiese6
- Direction
- no_changeinferrede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e7“the large granular slow-release fertiliser promoted the diversity of the treated bacterial communities to some extent”
e6“with little difference in the relative abundance of soil bacterial communities”
Claim · model-written summary
A one-time application of the homemade slow-release fertiliser positively affected peanut yield increase under nitrogen application with urea equivalent.
- Taxon
- peanutArachis hypogaeat0
- Treatment
- a one-time application of homemade large granular slow-release fertilisere6
- Outcome
- yield increasee6
- Direction
- positively affectede6
- Comparator
- nitrogen application with urea equivalente7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e6“a one-time application of homemade large granular slow-release fertiliser positively affected peanuts in terms of yield increase”
e7“promotion of nitrogen uptake and improved nitrogen utilisation under nitrogen application with urea equivalent”
Claim · model-written summary
A one-time application of the homemade slow-release fertiliser positively affected peanut nitrogen uptake and nitrogen utilisation under nitrogen application with urea equivalent.
- Taxon
- peanutArachis hypogaeat0
- Treatment
- a one-time application of homemade large granular slow-release fertilisere6
- Outcome
- promotion of nitrogen uptake and improved nitrogen utilisatione7
- Direction
- positively affectede6
- Comparator
- nitrogen application with urea equivalente7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e6“a one-time application of homemade large granular slow-release fertiliser positively affected peanuts in terms of yield increase”
e7“promotion of nitrogen uptake and improved nitrogen utilisation under nitrogen application with urea equivalent”
Claim · model-written summary
The one-time application of the homemade slow-release fertiliser had a small overall effect on the peanut soil microbial community.
- Taxon
- peanutArachis hypogaeat0
- Treatment
- a one-time application of homemade large granular slow-release fertilisere6
- Outcome
- overall effect on soil microbial communitye7
- Direction
- smalle7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peanut”
e6“a one-time application of homemade large granular slow-release fertiliser positively affected peanuts in terms of yield increase”
e7“the overall effect on soil microbial community was small”
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