Search claims · PlantClaims

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Medium nitrogen application is the most effective strategy for seedling growth and nitrogen use efficiency.

Taxon: rubber treeHevea brasiliensise0
Outcome: medium nitrogen applicatione7
Qualifier: most effective strategy for enhancing seedling growth and nitrogen use efficiencye7

Verbatim

e0
“rubber tree (Hevea brasiliensis) seedlings”
✓ located verbatim in the source · abstract, characters 94–136

e7
“medium nitrogen application emerges as the most effective strategy for enhancing seedling growth and nitrogen use efficiency”
✓ located verbatim in the source · abstract, characters 1741–1865

Title

Optimizing nitrogen management for young rubber trees: gradients effects on nutrient partitioning and root structural adaptation

Yongfa Zhang; Dongqi Jin; Xuehua Luo; et al. Frontiers in Plant Science 2025. doi:10.3389/fpls.2025.1698946

Other claims from this paper (13)

Intervention effect MN treatment gave the highest sustained chlorophyll a+b content, peaking 60 days post-fertilization.
Intervention effect MN treatment gave the lowest chlorophyll a/b ratio.
Intervention effect MN gave significantly higher nitrogen derived from fertilizer in leaves across growth stages.
Intervention effect MN application gave the highest whole-plant biomass.
Intervention effect MN application gave the highest total nitrogen accumulation.
Intervention effect MN application markedly increased allocation to structural components.
Intervention effect MN greatly promoted the root length, diameter and surface area of the fine root system during dormancy.
Intervention effect MN gave greater fine root volume during dormancy.
Association Fine root N content and Ndff were positively associated with root architectural traits.
Association HN application gave a transient boost in chlorophyll a.
Association HN application was associated with lower nitrogen uptake efficiency.
Association HN application was associated with increased dependence on soil nitrogen.
Association HN application led to reduced biomass and N accumulation.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors concluded lower nitrogen levels would still yield salable Ilex plants and improve nitrogen fertilizer-use efficiency.

Taxon: Ilex opacaIlex opacae1
Treatment: N levels lower than those typically usede0
Outcome: produce salable plants while increasing N fertilizer-use efficiencye0

Verbatim

e0
“N levels lower than those typically used for production of these woody ornamentals will still produce salable plants while increasing N fertilizer-use efficiency.”
✓ located verbatim in the source · abstract, characters 907–1069

e1
“Ilex opaca and Lagerstroemia indica”
✓ located verbatim in the source · abstract, characters 247–282

Title

Nitrogen Fertilizer-use Efficiency in Two Woody Ornamentals

Diana Devereaux; Raul I. Cabrera HortScience 1995. doi:10.21273/hortsci.30.4.859d

Other claims from this paper (4)

Intervention effect Above 60 mg N/liter, Ilex leachate nitrogen exceeded the applied solution.
Intervention effect Above 60 mg N/liter, Lagerstroemia leachate nitrogen exceeded the applied solution.
Association Nitrogen leaching losses rose with applied nitrogen from about 15% to 50%.
Intervention effect Ilex leaf chlorophyll readings did not differ significantly above 60 mg per liter nitrogen.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Shed leaf nitrogen mineralization should be considered in nitrogen rate recommendations for improving nitrogen use efficiency.

Taxon: citrus seedlingsCitrust0
Outcome: the contribution of N from shed leaf mineralization must be considered while developing N rate recommendationse0
Qualifier: improving N use efficiencye0

Verbatim

e0
“suggested that the contribution of N from shed leaf mineralization must be considered while developing N rate recommendations for improving N use efficiency.”
✓ located verbatim in the source · abstract, characters 1192–1349

t0
“citrus seedlings”
✓ located verbatim in the source · title, characters 25–41

Title

Nitrogen availability to citrus seedlings from urea and from mineralization of citrus leaf or compost

H. Dou; A. K. Alva Journal of Plant Nutrition 1998. doi:10.1080/01904169809365379

Other claims from this paper (7)

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The W2N2 treatment is the best irrigation and nitrogen application pattern for the growth and the water and nitrogen use efficiency of Jatropha curcas.

Taxon: Jatropha curcas LJatropha curcase5
Treatment: W2N2 treatmente5
Outcome: growth, the use efficiency of water and nitrogene5

Verbatim

e1
“compared with T1, each organ and total dry matter of Jatropha curcas L. decreased in T2 and T3”
✓ located verbatim in the source · abstract, characters 351–445

e5
“Therefore, W2N2 treatment is the best irrigation and nitrogen application pattern for the growth, the use efficiency of water and nitrogen of Jatropha curcas L”
✓ located verbatim in the source · abstract, characters 783–942

Title

Effects of Different Nitrogen and Irrigation Amount on Growth, Evapotranspiration and Water and Nitrogen Use Efficiency of Jatropha Curcas L.

Jie Li; Zhen Ling IOP Conference Series Materials Science and Engineering 2019. doi:10.1088/1757-899x/612/2/022027

Other claims from this paper (6)

Intervention effect Compared with T1, each organ and total dry matter of Jatropha curcas decreased in T2 and T3.
Intervention effect Nitrogen application significantly increased each organ and total dry matter of Jatropha curcas.
Intervention effect The W2N2 treatment saved 20% water compared with W1N3.
Intervention effect The W2N2 treatment saved 50% nitrogen fertilizer compared with W1N3.
Intervention effect The W2N2 treatment increased irrigation water use efficiency of Jatropha curcas by 26% compared with W1N3.
Intervention effect The W2N2 treatment increased total nitrogen uptake per plant of Jatropha curcas by 64.88% compared with W1N3.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors present inter-row grassing as a strategy for improving nitrogen use efficiency and orchard management.

Taxon: peachPrunus persicae1
Outcome: improving N use efficiency and promoting sustainable orchard managemente0

Verbatim

e0
“offering an effective strategy for improving N use efficiency and promoting sustainable orchard management”
✓ located verbatim in the source · abstract, characters 1451–1557

e1
“in a peach orchard”
✓ located verbatim in the source · abstract, characters 347–365

Title

Inter-Row Grassing Reshapes Nitrogen Cycling in Peach Orchards by Influencing Microbial Pathways in the Rhizosphere

Zhuo Pang; Jiale Guo; Hengkang Xu; et al. Microorganisms 2025. doi:10.3390/microorganisms13122770

Other claims from this paper (9)

Intervention effect Inter-row grassing significantly reshaped soil nitrogen processes.
Intervention effect Lolium perenne grassing enhanced mineralization and nitrification and increased inorganic nitrogen.
Intervention effect Lolium perenne grassing increased inorganic nitrogen.
Intervention effect Trifolium repens grassing promoted Bradyrhizobium diazotrophs and nitrate-reducing bacteria.
Intervention effect Trifolium repens grassing enhanced biological nitrogen fixation and retention.
Intervention effect Mixed grassing enhanced nitrification.
Intervention effect Mixed grassing increased labile carbon.
Intervention effect Mixed grassing elevated enzyme activities.
Mechanism The mixed treatment created a microbe–gene network mediating nitrification and denitrification.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors propose K_m and V_(max) as reference selection indices for high nitrogen use efficiency tea clones.

Taxon: teae0
Outcome: referential indices for selecting and breeding high N use efficiency tea clonee0

Verbatim

e0
“K_mand V_(max) can be also considered as referential indices for selecting and breeding high N use efficiency tea clone”
✓ located verbatim in the source · abstract, characters 1599–1718

Title

Preliminary Study on Physiological and Biochemical Indices Related to Nitrogen Use Efficiency in Tea Plant [Camellia sinensis (L.) O. Kuntze]

Xin Wang ACTA AGRONOMICA SINICA 2005

Other claims from this paper (8)

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors identify foliar nano-Ca at 50% as the best treatment for nitrogen uptake, translocation and use efficiency.

Taxon: mango seedlingsMangifera indicae1
Outcome: The best treatment is 50% (250 mg.L-1) foliar nano-Cae0
Qualifier: highest N-15 uptake, translocation, and nitrogen use efficiencye0

Verbatim

e0
“The best treatment is 50% (250 mg.L-1) foliar nano-Ca as it resulted in the highest N-15 uptake, translocation, and nitrogen use efficiency.”
✓ located verbatim in the source · abstract, characters 1763–1903

e1
“mango seedlings (cv. Zebda)”
✓ located verbatim in the source · abstract, characters 215–242

Title

Estimation of nitrogen use efficiency by mango seedlings under nano and convention calcium fertilization using the enriched stable isotope (N-15)

Ahmed Ibrahim; Rawia El-Motaium; Ayman Shaban; et al. Journal of Experimental Biology and Agricultural Sciences 2022. doi:10.18006/2022.10(2).379.386

Other claims from this paper (12)

Intervention effect Foliar nano-Ca gave higher 15N translocation than conventional Ca at a 100% rate in all growth cycles.
Intervention effect Foliar nano-Ca at 50% gave the highest nitrogen uptake across all growth cycles.
Intervention effect Foliar nano-Ca at 50% gave the highest nitrogen translocation across all growth cycles.
Intervention effect Foliar nano-Ca at 50% gave the highest nitrogen use efficiency across all growth cycles.
Observation Fall nitrogen fertilizer use efficiency was 81.8% at the 50% nano-Ca rate.
Observation Fall nitrogen fertilizer use efficiency was 64.9% at the 25% nano-Ca rate.
Observation Fall nitrogen fertilizer use efficiency was 51.2% at the 100% nano-Ca rate.
Intervention effect Shoot calcium concentration under nano-calcium was higher than under conventional calcium, with fall values of 3.0 versus 2.7%.
Intervention effect Root calcium concentration under nano-calcium was higher than under conventional calcium, with fall values of 2.8 versus 2.2.
Observation Summer had the highest total biomass relative to fall and spring under all treatments.
Intervention effect Foliar nano-Ca gave higher shoot biomass allocation than soil application in all cycles.
Recommendation The authors conclude that nano calcium is more efficient fertilizer than conventional calcium.

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors conclude that relatively low nursery nitrogen maximizes nitrogen use efficiency without harming landscape establishment.

Outcome: plant production under relatively low N levels in the nurserye0

Not reportedTaxon

Verbatim

e0
“Analysis of these results indicate that plant production under relatively low N levels in the nursery maximizes N fertilizer use efficiency without affecting landscape establishment and performance.”
✓ located verbatim in the source · abstract, characters 1019–1217

Title

Does Nitrogen Nutrition in the Nursery Affect Plant Establishment and Performance in the Landscape?

Raul I. Cabrera; Diana Devereaux HortScience 1996. doi:10.21273/hortsci.31.4.674b

Other claims from this paper (7)

Intervention effect from 15 to 60 mg·L –1 nitrogen concentrations increased biomass production in the two nursery species.
Intervention effect higher concentrations nitrogen concentrations depressed biomass production in the two nursery species.
Intervention effect Higher nitrogen concentration increased shoot to root ratios.
Intervention effect Leaf nitrogen concentration was highest at 60 mg·L –1.
Intervention effect Nursery nitrogen treatments did not affect establishment after transplant.
Observation Measured plant characteristics converged across treatments by 15 weeks after transplant.
Intervention effect Higher nursery nitrogen delayed flowering of Lagerstroemia indica by several weeks.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors suggest these results can guide engineering plants for increased nitrogen use efficiency.

Taxon: poplarPopuluse1
Outcome: designing transgenic plants with increased nitrogen use efficiencye0

Verbatim

e0
“the results from this study provide guidance in designing transgenic plants with increased nitrogen use efficiency, especially in plants intended for non-food/feed applications (e.g. increased biomass production for biofuels).”
✓ located verbatim in the source · abstract, characters 2278–2504

e1
“cell line of poplar (Populus nigra x maximowiczii)”
✓ located verbatim in the source · abstract, characters 808–858

Title

Genetic manipulation of putrescine biosynthesis reprograms the cellular transcriptome and the metabolome

Andrew F. Page; Leland J. Cseke; Rakesh Minocha; et al. BMC Plant Biology 2016. doi:10.1186/s12870-016-0796-2

Other claims from this paper (4)

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors propose root dry weight, volume, active uptake area, activity and GS activity as selection indices for high nitrogen use efficiency tea clones.

Taxon: teae0
Outcome: indices for selecting and breeding high N use efficiency tea clonee0

Verbatim

e0
“root dry weight, root volume, root active uptake area, root activity and GS activity can be considered as indices for selecting and breeding high N use efficiency tea clone”
✓ located verbatim in the source · abstract, characters 1320–1492

Title

Preliminary Study on Physiological and Biochemical Indices Related to Nitrogen Use Efficiency in Tea Plant [Camellia sinensis (L.) O. Kuntze]

Xin Wang ACTA AGRONOMICA SINICA 2005

Other claims from this paper (8)

“nitrogen use efficiency”

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