Abstract
Cultivation of honeysuckle, Lonicera japonica, irrigated with brackish-water, represents a new way to exploit saline-alkali land in the Yellow River Delta. However, how L. japonica responds to brackish-water irrigation is not clear. Biomass allocation, carbon-nitrogen stoichiometry, and carbon and nitrogen storage in L. japonica under four brackish-water irrigation treatments (T0: 0 mm, T40: 40 mm, T80: 80 mm, T120: 120 mm) were examined. Brackish-water irrigation significantly affects tissue biomass and the proportions of roots and stems in L. japonica. Root, stem, and leaf biomass increase with increased amount of brackish-water irrigation. The proportion of root biomass decreases significantly with increased brackish-water irrigation, root and leaf C contents increase, and stem and leaf N contents decrease. The proportion of root C storage trends downward with increased brackish-water irrigation, but the curve is concave for the proportion of root N storage. Root, stem, and leaf biomass correlate significantly with C and N contents, and C:N ratios for the three organs, excepting leaf C contents. Our results suggested that T120 is more conducive to the biomass accumulation of L. japonica, and promotes the C content of most organs, but reduces their N content. These findings improve our understanding of the response of L. japonica to brackish-water irrigation, demonstrate that brackish-water irrigation is a viable technique to save water in irrigation, and identify a new use for saline-alkali land in the Yellow River Delta.
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Claims 12
Claim · model-written summary
Brackish-water irrigation significantly affects tissue biomass and the proportions of roots and stems in Lonicera japonica.
- Taxon
- Lonicera japonica
Lonicera japonicat0 - Treatment
- brackish-water irrigatione2
- Outcome
- tissue biomass and the proportions of roots and stemse2
- Comparator
- T0: 0 mme1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e2“Brackish-water irrigation significantly affects tissue biomass and the proportions of roots and stems in L. japonica”
e1“four brackish-water irrigation treatments (T0: 0 mm, T40: 40 mm, T80: 80 mm, T120: 120 mm)”
Claim · model-written summary
Root, stem and leaf biomass increase with increased brackish-water irrigation.
- Taxon
- Lonicera japonicaLonicera japonicat0
- Treatment
- brackish-water irrigatione3
- Outcome
- Root, stem, and leaf biomasse3
- Direction
- increasee3
- Comparator
- T0: 0 mme1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e3“Root, stem, and leaf biomass increase with increased amount of brackish-water irrigation”
e1“four brackish-water irrigation treatments (T0: 0 mm, T40: 40 mm, T80: 80 mm, T120: 120 mm)”
Claim · model-written summary
The proportion of root biomass decreases significantly with increased brackish-water irrigation.
- Taxon
- Lonicera japonicaLonicera japonicat0
- Treatment
- brackish-water irrigatione4
- Outcome
- proportion of root biomasse4
- Direction
- decreasese4
- Comparator
- T0: 0 mme1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e4“The proportion of root biomass decreases significantly with increased brackish-water irrigation, root and leaf C contents increase, and stem and leaf N contents decrease”
e1“four brackish-water irrigation treatments (T0: 0 mm, T40: 40 mm, T80: 80 mm, T120: 120 mm)”
Claim · model-written summary
Root and leaf C contents increase with increased brackish-water irrigation.
- Taxon
- Lonicera japonicaLonicera japonicat0
- Treatment
- brackish-water irrigatione4
- Outcome
- root and leaf C contentse4
- Direction
- increasee4
- Comparator
- T0: 0 mme1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e4“The proportion of root biomass decreases significantly with increased brackish-water irrigation, root and leaf C contents increase, and stem and leaf N contents decrease”
e1“four brackish-water irrigation treatments (T0: 0 mm, T40: 40 mm, T80: 80 mm, T120: 120 mm)”
Claim · model-written summary
Stem and leaf N contents decrease with increased brackish-water irrigation.
- Taxon
- Lonicera japonicaLonicera japonicat0
- Treatment
- brackish-water irrigatione4
- Outcome
- stem and leaf N contentse4
- Direction
- decreasee4
- Comparator
- T0: 0 mme1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e4“The proportion of root biomass decreases significantly with increased brackish-water irrigation, root and leaf C contents increase, and stem and leaf N contents decrease”
e1“four brackish-water irrigation treatments (T0: 0 mm, T40: 40 mm, T80: 80 mm, T120: 120 mm)”
Claim · model-written summary
The proportion of root C storage trends downward with increased brackish-water irrigation.
- Taxon
- Lonicera japonicaLonicera japonicat0
- Treatment
- brackish-water irrigatione5
- Outcome
- proportion of root C storagee5
- Direction
- trends downwarde5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e5“The proportion of root C storage trends downward with increased brackish-water irrigation, but the curve is concave for the proportion of root N storage”
Claim · model-written summary
The proportion of root N storage follows a concave curve with increased brackish-water irrigation.
- Taxon
- Lonicera japonicaLonicera japonicat0
- Treatment
- brackish-water irrigatione5
- Outcome
- proportion of root N storagee5
- Qualifier
- the curve is concavee5
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e5“The proportion of root C storage trends downward with increased brackish-water irrigation, but the curve is concave for the proportion of root N storage”
Claim · model-written summary
Root, stem and leaf biomass correlate significantly with C and N contents and C:N ratios, except leaf C contents.
- Taxon
- Lonicera japonicaLonicera japonicat0
- Organ / stage
- Root, stem, and leafe6
- Outcome
- C and N contents, and C:N ratiose6
- Direction
- correlate significantlye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e6“Root, stem, and leaf biomass correlate significantly with C and N contents, and C:N ratios for the three organs, excepting leaf C contents”
Claim · model-written summary
T120 (120 mm) is more conducive to biomass accumulation of Lonicera japonica.
- Taxon
- Lonicera japonicaLonicera japonicat0
- Treatment
- T120: 120 mme1
- Outcome
- biomass accumulatione7
- Direction
- more conducivee7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e7“T120 is more conducive to the biomass accumulation of L. japonica, and promotes the C content of most organs, but reduces their N content”
e1“four brackish-water irrigation treatments (T0: 0 mm, T40: 40 mm, T80: 80 mm, T120: 120 mm)”
Claim · model-written summary
T120 (120 mm) promotes the C content of most organs of Lonicera japonica.
- Taxon
- Lonicera japonicaLonicera japonicat0
- Treatment
- T120: 120 mme1
- Outcome
- C content of most organse7
- Direction
- promotese7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e7“T120 is more conducive to the biomass accumulation of L. japonica, and promotes the C content of most organs, but reduces their N content”
e1“four brackish-water irrigation treatments (T0: 0 mm, T40: 40 mm, T80: 80 mm, T120: 120 mm)”
Claim · model-written summary
T120 (120 mm) reduces the N content of Lonicera japonica organs.
- Taxon
- Lonicera japonicaLonicera japonicat0
- Treatment
- T120: 120 mme1
- Outcome
- N contente7
- Direction
- reducese7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e7“T120 is more conducive to the biomass accumulation of L. japonica, and promotes the C content of most organs, but reduces their N content”
e1“four brackish-water irrigation treatments (T0: 0 mm, T40: 40 mm, T80: 80 mm, T120: 120 mm)”
Claim · model-written summary
Brackish-water irrigation is a viable technique to save water in irrigation of Lonicera japonica.
- Taxon
- Lonicera japonicaLonicera japonicat0
- Outcome
- viable technique to save watere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of brackish water irrigation on biomass allocation and carbon, nitrogen stoichiometry in Lonicera japonica”
e1“brackish-water irrigation is a viable technique to save water in irrigation”
The same questions in other papers
irrigation · growth · Lonicera japonica (Japanese honeysuckle)Positive 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.