Abstract
Ridge-furrow with plastic mulching (RFPM) has been commonly used in the production of field crops, but it is unknown whether this practice would affect soil quality attributes. Field experiments were conducted to determine the effects of RFPM on potato tuber yield and soil quality under semi-arid conditions. Six different planting patterns (i.e., various ridges and furrows were in combination with plastic mulching) were compared in randomized complete block with three replicates. It was consistent in the two years of study that the completely mulched with ridge planting significantly increased soil available N, available P, available K, and soil organic matter (SOM) content, and decreased the numbers of fungi in the 0-20cm soil, compared to the control (flat plots with no ridge and no mulching). Also, ridge planting increased the numbers of aerobic azotobacter, nitrifying bacteria and ammonifying bacteria and decreased anaerobic azotobacter and denitrifying bacteria compared to furrow planting. In addition, the completely mulched with ridge planting increased hydrogen peroxidase, alkaline phosphatase, and urease (UR) activities in the soil. The enhanced enzymatic activities in the soil were largely attributable to decreased soil evaporation and increased soil temperature due to the use of black plastic on the soil surface. Therefore, ridge planting with plastic mulching can be considered to be one of the best approaches in the improvement of potato productivity, whereas, at the same time, maintaining or enhancing soil health in semiarid areas.
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Claims 7
Claim · model-written summary
Complete mulch with ridge planting increased available N, P, K and soil organic matter versus flat unmulched plots.
- Taxon
- potato
Solanum tuberosumt0 - Treatment
- completely mulched with ridge plantinge0
- Outcome
- soil available N, available P, available K, and soil organic matter (SOM) contente0
- Direction
- increasede0
- Comparator
- control (flat plots with no ridge and no mulching)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the completely mulched with ridge planting significantly increased soil available N, available P, available K, and soil organic matter (SOM) content”
e1“control (flat plots with no ridge and no mulching)”
t0“potato”
Claim · model-written summary
Complete mulch with ridge planting reduced soil fungi relative to flat unmulched plots.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- completely mulched with ridge plantinge2
- Outcome
- numbers of fungi in the 0-20cm soile0
- Direction
- decreasede0
- Comparator
- control (flat plots with no ridge and no mulching)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreased the numbers of fungi in the 0-20cm soil”
e1“control (flat plots with no ridge and no mulching)”
e2“the completely mulched with ridge planting significantly increased”
t0“potato”
Claim · model-written summary
Ridge planting increased aerobic azotobacter, nitrifying bacteria and ammonifying bacteria relative to furrow planting.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- ridge plantinge0
- Outcome
- numbers of aerobic azotobacter, nitrifying bacteria and ammonifying bacteriae0
- Direction
- increasede0
- Comparator
- furrow plantinge1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ridge planting increased the numbers of aerobic azotobacter, nitrifying bacteria and ammonifying bacteria”
e1“compared to furrow planting”
t0“potato”
Claim · model-written summary
Ridge planting decreased anaerobic azotobacter and denitrifying bacteria relative to furrow planting.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- ridge plantinge1
- Outcome
- anaerobic azotobacter and denitrifying bacteriae0
- Direction
- decreasede0
- Comparator
- furrow plantinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decreased anaerobic azotobacter and denitrifying bacteria compared to furrow planting”
e1“ridge planting increased the numbers of aerobic azotobacter”
t0“potato”
Claim · model-written summary
Complete mulch with ridge planting increased soil hydrogen peroxidase, alkaline phosphatase and urease activities.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- completely mulched with ridge plantinge0
- Outcome
- hydrogen peroxidase, alkaline phosphatase, and urease (UR) activities in the soile0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the completely mulched with ridge planting increased hydrogen peroxidase, alkaline phosphatase, and urease (UR) activities in the soil”
t0“potato”
Claim · model-written summary
The authors attribute the higher soil enzyme activities to reduced evaporation and warmer soil under black plastic.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- black plastice0
- Outcome
- enhanced enzymatic activities in the soile0
- Qualifier
- decreased soil evaporation and increased soil temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The enhanced enzymatic activities in the soil were largely attributable to decreased soil evaporation and increased soil temperature due to the use of black plastic on the soil surface.”
t0“potato”
Claim · model-written summary
Ridge planting with plastic mulch is recommended for potato productivity and soil health in semiarid areas.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- ridge planting with plastic mulchinge0
- Outcome
- improvement of potato productivity, whereas, at the same time, maintaining or enhancing soil healthe0
- Setting
- semiarid arease0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ridge planting with plastic mulching can be considered to be one of the best approaches in the improvement of potato productivity, whereas, at the same time, maintaining or enhancing soil health in semiarid areas”
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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.