Paper · 2013 · Zhongnan Linye Keji Daxue xuebao

Effects of mulberry-soybean intercropping on growth of mulberry and soybean, and photosynthesis responsive to light intensity

Guangyu Sun

16
claims
16
verbatim quotes
2
citations
3
research areas
—
Not open access

Abstract

In order to improve the solar energy utilization efficiency in mulberry and soybean intercropping and optimize the spatial allocation,the growth and the light response of photosynthesis characteristics of soybean and mulberry during soybean podding period in the intercropping system were investigated.The results show that the plant height,content of chlorophyll,root dry weight,aboveground biomass of intercropped mulberry increased by 15.3%,21.6%,30.7%,43.3% respectively,during the co-growth stage in mulberry/soybean intercropping system,but that of intercropped soybean emerged a reverse trend.The net photosynthetic rate(Pn),transpiration rate(Tr),stomatal conductance(Gs),intercellular CO2(Ci) of intercropped mulberry increased 26.7%,100.3%,19.4% respectively,compared with sole mulberry,and the water use efficiency(RWEU) of intercropped mulberry decreased by 37.2%,compared with sole mulberry,but that of intercropped soybean presented a increased trend.The mulberry and soybean intercropping remarkably enhanced the light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax) of intercropped mulberry,and mulberry and the soybean intercropping reduced the light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax) of intercropped soybean,but the mulberry and soybean intercropping enhanced apparent quantum yield(YAQY) of mulberry and soybean.The findings indicate that the mulberry and soybean intercropping can enhance the utilization efficiency of strong light by mulberry and that of weak light by soybean,and thus the intercropping mode can affect the growth of mulberry and soybean.

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Claims 16

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropped mulberry plant height increased by 15.3%.

Taxon
mulberrye0
Treatment
mulberry/soybean intercropping systeme0
Outcome
plant heighte0
Direction
increasede0
Value
15.3%e0

Not reportedComparator

Verbatim

e0

“The results show that the plant height,content of chlorophyll,root dry weight,aboveground biomass of intercropped mulberry increased by 15.3%,21.6%,30.7%,43.3% respectively,during the co-growth stage in mulberry/soybean intercropping system,but that of intercropped soybean emerged a reverse trend.”

✓ located verbatim in the source · abstract, characters 302–600 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropped mulberry content of chlorophyll increased by 21.6%.

Taxon
mulberrye0
Treatment
mulberry/soybean intercropping systeme0
Outcome
content of chlorophylle0
Direction
increasede0
Value
21.6%e0

Not reportedComparator

Verbatim

e0

“The results show that the plant height,content of chlorophyll,root dry weight,aboveground biomass of intercropped mulberry increased by 15.3%,21.6%,30.7%,43.3% respectively,during the co-growth stage in mulberry/soybean intercropping system,but that of intercropped soybean emerged a reverse trend.”

✓ located verbatim in the source · abstract, characters 302–600 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropped mulberry root dry weight increased by 30.7%.

Taxon
mulberrye0
Treatment
mulberry/soybean intercropping systeme0
Outcome
root dry weighte0
Direction
increasede0
Value
30.7%e0

Not reportedComparator

Verbatim

e0

“The results show that the plant height,content of chlorophyll,root dry weight,aboveground biomass of intercropped mulberry increased by 15.3%,21.6%,30.7%,43.3% respectively,during the co-growth stage in mulberry/soybean intercropping system,but that of intercropped soybean emerged a reverse trend.”

✓ located verbatim in the source · abstract, characters 302–600 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropped mulberry aboveground biomass increased by 43.3%.

Taxon
mulberrye0
Treatment
mulberry/soybean intercropping systeme0
Outcome
aboveground biomasse0
Direction
increasede0
Value
43.3%e0

Not reportedComparator

Verbatim

e0

“The results show that the plant height,content of chlorophyll,root dry weight,aboveground biomass of intercropped mulberry increased by 15.3%,21.6%,30.7%,43.3% respectively,during the co-growth stage in mulberry/soybean intercropping system,but that of intercropped soybean emerged a reverse trend.”

✓ located verbatim in the source · abstract, characters 302–600 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Intercropped soybean showed the reverse trend in the four listed growth and chlorophyll measures.

Taxon
soybeanGlycine maxe0
Treatment
mulberry/soybean intercropping systeme0
Outcome
plant height,content of chlorophyll,root dry weight,aboveground biomasse0
Direction
decreaseinferrede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“The results show that the plant height,content of chlorophyll,root dry weight,aboveground biomass of intercropped mulberry increased by 15.3%,21.6%,30.7%,43.3% respectively,during the co-growth stage in mulberry/soybean intercropping system,but that of intercropped soybean emerged a reverse trend.”

✓ located verbatim in the source · abstract, characters 302–600 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropped mulberry net photosynthetic rate(Pn) increased 26.7% versus sole mulberry.

Taxon
mulberrye0
Treatment
intercropped mulberrye0
Outcome
net photosynthetic rate(Pn)e0
Direction
increasede0
Value
26.7%e0
Comparator
sole mulberrye0

Verbatim

e0

“The net photosynthetic rate(Pn),transpiration rate(Tr),stomatal conductance(Gs),intercellular CO2(Ci) of intercropped mulberry increased 26.7%,100.3%,19.4% respectively,compared with sole mulberry,and the water use efficiency(RWEU) of intercropped mulberry decreased by 37.2%,compared with sole mulberry,but that of intercropped soybean presented a increased trend.”

✓ located verbatim in the source · abstract, characters 600–965 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropped mulberry transpiration rate(Tr) increased 100.3% versus sole mulberry.

Taxon
mulberrye0
Treatment
intercropped mulberrye0
Outcome
transpiration rate(Tr)e0
Direction
increasede0
Value
100.3%e0
Comparator
sole mulberrye0

Verbatim

e0

“The net photosynthetic rate(Pn),transpiration rate(Tr),stomatal conductance(Gs),intercellular CO2(Ci) of intercropped mulberry increased 26.7%,100.3%,19.4% respectively,compared with sole mulberry,and the water use efficiency(RWEU) of intercropped mulberry decreased by 37.2%,compared with sole mulberry,but that of intercropped soybean presented a increased trend.”

✓ located verbatim in the source · abstract, characters 600–965 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropped mulberry stomatal conductance(Gs) increased 19.4% versus sole mulberry.

Taxon
mulberrye0
Treatment
intercropped mulberrye0
Outcome
stomatal conductance(Gs)e0
Direction
increasede0
Value
19.4%e0
Comparator
sole mulberrye0

Verbatim

e0

“The net photosynthetic rate(Pn),transpiration rate(Tr),stomatal conductance(Gs),intercellular CO2(Ci) of intercropped mulberry increased 26.7%,100.3%,19.4% respectively,compared with sole mulberry,and the water use efficiency(RWEU) of intercropped mulberry decreased by 37.2%,compared with sole mulberry,but that of intercropped soybean presented a increased trend.”

✓ located verbatim in the source · abstract, characters 600–965 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Intercropped mulberry water use efficiency decreased 37.2% versus sole mulberry.

Taxon
mulberrye0
Treatment
intercropped mulberrye0
Outcome
water use efficiency(RWEU)e0
Direction
decreasede0
Value
37.2%e0
Comparator
sole mulberrye0

Verbatim

e0

“The net photosynthetic rate(Pn),transpiration rate(Tr),stomatal conductance(Gs),intercellular CO2(Ci) of intercropped mulberry increased 26.7%,100.3%,19.4% respectively,compared with sole mulberry,and the water use efficiency(RWEU) of intercropped mulberry decreased by 37.2%,compared with sole mulberry,but that of intercropped soybean presented a increased trend.”

✓ located verbatim in the source · abstract, characters 600–965 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropped soybean water use efficiency increased.

Taxon
soybeanGlycine maxe0
Treatment
intercropped soybeane0
Outcome
water use efficiency(RWEU)e0
Direction
increasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“The net photosynthetic rate(Pn),transpiration rate(Tr),stomatal conductance(Gs),intercellular CO2(Ci) of intercropped mulberry increased 26.7%,100.3%,19.4% respectively,compared with sole mulberry,and the water use efficiency(RWEU) of intercropped mulberry decreased by 37.2%,compared with sole mulberry,but that of intercropped soybean presented a increased trend.”

✓ located verbatim in the source · abstract, characters 600–965 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropping enhanced three listed light-response photosynthesis measures in mulberry.

Taxon
mulberrye0
Treatment
mulberry and soybean intercroppinge0
Outcome
light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax)e0
Direction
enhancede0

Not reportedComparator

Verbatim

e0

“The mulberry and soybean intercropping remarkably enhanced the light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax) of intercropped mulberry,and mulberry and the soybean intercropping reduced the light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax) of intercropped soybean,but the mulberry and soybean intercropping enhanced apparent quantum yield(YAQY) of mulberry and soybean.”

✓ located verbatim in the source · abstract, characters 965–1457 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Intercropping reduced three listed light-response photosynthesis measures in soybean.

Taxon
soybeanGlycine maxe0
Treatment
mulberry and soybean intercroppinge0
Outcome
light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax)e0
Direction
reducede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“The mulberry and soybean intercropping remarkably enhanced the light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax) of intercropped mulberry,and mulberry and the soybean intercropping reduced the light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax) of intercropped soybean,but the mulberry and soybean intercropping enhanced apparent quantum yield(YAQY) of mulberry and soybean.”

✓ located verbatim in the source · abstract, characters 965–1457 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropping enhanced apparent quantum yield in mulberry.

Taxon
mulberrye0
Treatment
mulberry and soybean intercroppinge0
Outcome
apparent quantum yield(YAQY)e0
Direction
enhancede0

Not reportedComparator

Verbatim

e0

“The mulberry and soybean intercropping remarkably enhanced the light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax) of intercropped mulberry,and mulberry and the soybean intercropping reduced the light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax) of intercropped soybean,but the mulberry and soybean intercropping enhanced apparent quantum yield(YAQY) of mulberry and soybean.”

✓ located verbatim in the source · abstract, characters 965–1457 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Intercropping enhanced apparent quantum yield in soybean.

Taxon
soybeanGlycine maxe0
Treatment
mulberry and soybean intercroppinge0
Outcome
apparent quantum yield(YAQY)e0
Direction
enhancede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“The mulberry and soybean intercropping remarkably enhanced the light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax) of intercropped mulberry,and mulberry and the soybean intercropping reduced the light saturated point(VLSP),light compensation points(VLCP) and photosynthetic rate at light saturation(Pmax) of intercropped soybean,but the mulberry and soybean intercropping enhanced apparent quantum yield(YAQY) of mulberry and soybean.”

✓ located verbatim in the source · abstract, characters 965–1457 · show in text ↑
Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The authors infer that intercropping enhances mulberry utilization of strong light.

Taxon
mulberrye0
Treatment
mulberry and soybean intercroppinge0
Outcome
utilization efficiency of strong lighte0
Direction
enhancee0

Verbatim

e0

“The findings indicate that the mulberry and soybean intercropping can enhance the utilization efficiency of strong light by mulberry and that of weak light by soybean,and thus the intercropping mode can affect the growth of mulberry and soybean.”

✓ located verbatim in the source · abstract, characters 1457–1702 · show in text ↑
Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The authors infer that intercropping enhances soybean utilization of weak light.

Taxon
soybeanGlycine maxe0
Treatment
mulberry and soybean intercroppinge0
Outcome
that of weak lighte0
Direction
enhancee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

e0

“The findings indicate that the mulberry and soybean intercropping can enhance the utilization efficiency of strong light by mulberry and that of weak light by soybean,and thus the intercropping mode can affect the growth of mulberry and soybean.”

✓ located verbatim in the source · abstract, characters 1457–1702 · show in text ↑

Glycine max · physiology: photosynthesis · Morus (mulberry trees)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

intercropping · physiology: pigments · Glycine max (soybean)Results differ

10 papers: 6 positive, 4 negative or no effect

3 papers in the same direction as this paper · 6 in the opposite direction

  1. positive
  2. positive
  3. positive

6 papers more in this group

See all 10 papers →

intercropping · physiology: photosynthesis · Glycine max (soybean)Results differ

25 papers: 8 positive, 17 negative or no effect

7 papers in the same direction as this paper · 16 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
  2. no effect
  3. negative

21 papers more in this group

See all 25 papers →

intercropping · physiology: water · Morus (mulberry trees)Positive and negative results

3 papers: 2 positive, 1 negative or no effect

2 in the opposite direction

  1. positive
  2. positive
See all 3 papers →

intercropping · physiology: water · Glycine max (soybean)Positive and negative results

8 papers: 4 positive, 4 negative or no effect

3 papers in the same direction as this paper · 3 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
  2. no effect
  3. negative

4 papers more in this group

See all 8 papers →

intercropping · growth · Morus (mulberry trees)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

intercropping · physiology: photosynthesis · Morus (mulberry trees)Results agree

5 papers: 5 positive, 0 negative or no effect

4 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

1 paper more in this group

See all 5 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.