Abstract
Crop rotation affects soil properties and soil microbial diversity and structure. Currently, it is not well understood how soil microbial diversity changes following different crop rotation systems of industrial hemp, an ancient and economically important crop. Therefore, these changes were analyzed in this study. Our results showed that different rotation systems significantly affected the wilt disease incidence, plant height, yield, soil physicochemical properties and soil microbial communities in the greenhouse. The rotation systems used in this study significantly reduced the plant mortality and increased the yield compared with a monoculture system. The levels of alkaline hydrolysis and available phosphorus in the soil decreased significantly compared with a monoculture cropping system. Using MiSeq high-throughput sequencing, we showed that the soil diversity and number of bacteria and fungi were significantly higher for rotation systems and controls compared to the monoculture system. The relative abundance of pathogens increased with a monoculture system. Redundancy analysis suggests that soil properties may also affect the soil microbial composition. Taken together, different rotation systems used in this study significantly decreased the disease incidence, increased plant yields and increased soil microbial diversity compared with monoculture for industrial hemp. We believe that applying these rotation systems is an efficient and eco-friendly approach to control soil borne pathogenic diseases and increase floral yields.
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Claims 8
Claim · model-written summary
Rotation systems significantly reduced hemp plant mortality compared with a monoculture system.
- Taxon
- Cannabis sativa L.
Cannabis sativat0 - Treatment
- rotation systemse1
- Outcome
- plant mortalitye1
- Direction
- reducede1
- Comparator
- a monoculture systeme1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cannabis sativa L.”
e1“The rotation systems used in this study significantly reduced the plant mortality and increased the yield compared with a monoculture system”
Claim · model-written summary
Rotation systems significantly increased hemp yield compared with a monoculture system.
- Taxon
- Cannabis sativa L.Cannabis sativat0
- Treatment
- rotation systemse1
- Outcome
- yielde1
- Direction
- increasede1
- Comparator
- a monoculture systeme1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cannabis sativa L.”
e1“The rotation systems used in this study significantly reduced the plant mortality and increased the yield compared with a monoculture system”
Claim · model-written summary
Rotation systems significantly decreased the disease incidence in hemp.
- Taxon
- Cannabis sativa L.Cannabis sativat0
- Treatment
- rotation systemse1
- Outcome
- disease incidencee1
- Direction
- decreasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cannabis sativa L.”
e1“different rotation systems used in this study significantly decreased the disease incidence”
Claim · model-written summary
Soil alkaline hydrolysis and available phosphorus levels decreased significantly compared with a monoculture cropping system.
- Taxon
- Cannabis sativa L.Cannabis sativat0
- Outcome
- levels of alkaline hydrolysis and available phosphorus in the soile1
- Direction
- decreasede1
- Comparator
- a monoculture cropping systeme1
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cannabis sativa L.”
e1“The levels of alkaline hydrolysis and available phosphorus in the soil decreased significantly compared with a monoculture cropping system”
Claim · model-written summary
Soil diversity and the number of bacteria and fungi were significantly higher under rotation systems and controls than under the monoculture system.
- Taxon
- Cannabis sativa L.Cannabis sativat0
- Treatment
- rotation systemse1
- Outcome
- soil diversity and number of bacteria and fungie1
- Direction
- highere1
- Comparator
- the monoculture systeme1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cannabis sativa L.”
e1“the soil diversity and number of bacteria and fungi were significantly higher for rotation systems and controls compared to the monoculture system”
Claim · model-written summary
The relative abundance of pathogens increased under the monoculture system.
- Taxon
- Cannabis sativa L.Cannabis sativat0
- Treatment
- a monoculture systeme1
- Interactor
- pathogense1pathogen
- Outcome
- relative abundance of pathogense1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cannabis sativa L.”
e1“The relative abundance of pathogens increased with a monoculture system”
Claim · model-written summary
Redundancy analysis suggests that soil properties may also affect soil microbial composition.
- Taxon
- Cannabis sativa L.Cannabis sativat0
- Treatment
- soil propertiese1
- Outcome
- soil microbial compositione1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cannabis sativa L.”
e1“Redundancy analysis suggests that soil properties may also affect the soil microbial composition”
Claim · model-written summary
The authors believe these rotation systems are an efficient, eco-friendly approach to control soil borne pathogenic diseases and increase floral yields.
- Taxon
- Cannabis sativa L.Cannabis sativat0
- Outcome
- control soil borne pathogenic diseases and increase floral yieldse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cannabis sativa L.”
e1“We believe that applying these rotation systems is an efficient and eco-friendly approach to control soil borne pathogenic diseases and increase floral yields”
The same questions in other papers
rotation · yield · Cannabis sativaPositive and negative results
2 in the opposite direction
- no effect
- negative
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.