Search claims · PlantClaims

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

At N levels below 51 kg N ha−1, inorganic and green manure N utilization were similar in 1984.

Taxon: riceOryza sativae1
Outcome: inorganic N utilizatione0
Direction: similare0
Qualifier: in 1984e0
Comparator: green manure N utilizatione0

Verbatim

e0
“At N levels < 51 kg N ha −1 , inorganic N utilization was inferior to green manure N utilization in 1983 but similar in 1984.”
✓ located verbatim in the source · abstract, characters 970–1095

e1
“rice”
✓ located verbatim in the source · abstract, characters 191–195

Title

Rice Responses to a Short‐Duration Green Manure. II. N Recovery and Utilization¹

R. A. Morris; R. E. Furoc; M. A. Dizon Agronomy Journal 1986. doi:10.2134/agronj1986.00021962007800030002x

Other claims from this paper (6)

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

The maximum N utilization from fertilizer for dry matter did not correspond to the maximum N utilization by pods.

Taxon: Phaseolus vulgarisPhaseolus vulgarist0
Treatment: fertilizere5
Outcome: maximum N utilization by podse5

Not reportedDirection

Verbatim

t0
“Phaseolus vulgaris”
✓ located verbatim in the source · title, characters 77–95

e5
“The maximum N utilization from fertilizer to produce dry matter did not correspond to maximum N utilization by pods”
✓ located verbatim in the source · abstract, characters 419–534

Title

The effects of N fertilizer and soil moisture on the nodulation and growth ofPhaseolus vulgaris

Siu M. T. Saito; Maria Nazareth S. Montanheiro; R. L. Victoria; et al. The Journal of Agricultural Science 1984. doi:10.1017/s0021859600043355

Other claims from this paper (5)

Association Soil water content affected nodulation and N2 fixation of Phaseolus vulgaris by Rhizobium phaseoli.
Intervention effect Plants grown in wet soil produced twice as much as plants grown in dry soil.
Intervention effect Nodule weight and activity in wet soil were five to ten times greater than in dry soils.
Intervention effect N additions inhibited nodulation of Phaseolus vulgaris at 45 days.
Association The inhibition of nodulation by N additions was partially diminished in wet soils.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Irrigation had little effect on N utilization efficiency.

Treatment: Irrigatione0
Outcome: N utilization efficiencye0
Direction: little effecte0

Not reportedTaxonComparator

Verbatim

e0
“Irrigation had little effect on N utilization efficiency”
✓ located verbatim in the source · abstract, characters 898–954

Title

Nitrogen Fertility and Irrigation Influence on Grain Sorghum Nitrogen Efficiency¹

T. R. Zweifel; J. W. Maranville; W. M. Ross; et al. Agronomy Journal 1987. doi:10.2134/agronj1987.00021962007900030001x

Other claims from this paper (6)

Observation Hybrids and common parent averages differed significantly in efficiency ratios, dry weight, and N content.
Intervention effect Irrigation caused no significant change in hybrid relationships for N efficiency.
Intervention effect Hybrid N efficiency was more than 30% higher without N fertilizer.
Association Hybrid by N level interactions were significant for N efficiency traits and grain weight.
Method / resource Alternative N efficiency definitions emphasized different characteristics.
Recommendation Selection of sorghum hybrids for improved N use efficiency appeared possible.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Rice N-utilization rates did not differ significantly between two N-fertilization levels by the difference method.

Taxon: RiceOryza sativat0
Treatment: 2 N-fertilization levelse0
Outcome: N-utilization ratese0
Direction: no significant differencee0
Comparator: 2 N-fertilization levelse0

Verbatim

e0
“the N-utilization rates of the 2 N-fertilization levels had no significant difference”
✓ located verbatim in the source · abstract, characters 333–418

t0
“Rice”
✓ located verbatim in the source · title, characters 116–120

Title

Effects of Different Treatments of Fertilization and Irrigation on the N-utilization Rate and Water Productivity of Rice

Han Liu Anhui nongye kexue 2010

Other claims from this paper (10)

Intervention effect Under the same irrigation model, water-saving irrigation gave higher rice N-utilization than flooding irrigation with the 30/30/30/10 fertilizer schedule.
Intervention effect Water-saving irrigation gave higher rice N-utilization than flooding irrigation with the 50/50 fertilizer schedule.
Intervention effect The isotope dilution method also found higher rice N-utilization under water saving than flooding irrigation.
Intervention effect Whole-period irrigation amounts did not differ significantly across fertilization treatments.
Intervention effect Whole-period irrigation amounts differed significantly across irrigation models.
Association Rice water productivity increased as fertilization amount increased.
Intervention effect Rice water productivity did not differ significantly among fertilization models.
Intervention effect Rice water productivity differed extremely significantly among irrigation models.
Recommendation The authors concluded that reasonable fertilization could significantly enhance rice N-utilization and water productivity.
Recommendation The authors concluded that water-saving irrigation could significantly enhance rice N-utilization and water productivity.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Further doses of N fertilizer did not increase wheat N utilization

Taxon: durum wheatTriticum turgidum subsp. durume0
Treatment: further doses of N fertilizere1
Outcome: wheat N utilizatione1
Direction: did not increasee1

Not reportedComparator

Verbatim

e0
“durum wheat cultivars in Southern Italy”
✓ located verbatim in the source · abstract, characters 461–500

e1
“indicating that further doses of N fertilizer did not increase wheat N utilization”
✓ located verbatim in the source · abstract, characters 1663–1745

Title

Nitrogen Application in Winter Wheat Grown in Mediterranean Conditions: Effects on Nitrogen Uptake, Utilization Efficiency, and Soil Nitrogen Deficit

Francesco Montemurro; Grazia Convertini; Donato Ferri Journal of Plant Nutrition 2007. doi:10.1080/01904160701615541

Other claims from this paper (12)

Observation Application of 120 kg N ha− 1 of fertilizer gives a good balance between yield and N utilization
Intervention effect N180 and N120 showed similar yield, 3.01 and 3.07 t ha− 1
Intervention effect N180 and N120 showed similar protein content, 13.7 and 13.5 %
Intervention effect N180 gave the highest final mineral N content in the soil at the end of the cropping cycles
Intervention effect N120 showed the same N utilization indices as N180
Observation The preanthesis N uptake was about 67.5% of the total N uptake
Association Preanthesis N uptake was significantly and positively correlated with wheat yield
Association Postanthesis N uptake showed positive correlation with grain protein content
Observation Variation of weather conditions affected winter wheat yield and quality
Observation Variation of weather conditions affected N utilization and plant N status
Intervention effect A higher N rate did not influence wheat growth, yield or N uptake compared with N120
Recommendation Plant N status indicates that the N fertilization can be modified to reach its optimum level during plant growth

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

There were no N source effects on grain protein concentration or N utilization efficiencies.

Taxon: Triticum aestivumTriticum aestivumt0
Treatment: N sourcee1
Outcome: grain protein concentration or N utilization efficienciese1
Direction: no_changeinferrede1

Not reportedComparator

Verbatim

t0
“Triticum aestivum”
✓ located verbatim in the source · title, characters 51–68

e1
“There were no N source effects on grain protein concentration or N utilization efficiencies”
✓ located verbatim in the source · abstract, characters 1276–1367

Title

Soil Fertility Strategies for Organic Bread Wheat (Triticum aestivum) Production

A. Steven Englander DigitalCommons (California Polytechnic State University) 2014

Other claims from this paper (13)

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

N utilization did not vary among emergence classes.

Taxon: maizeZea mayst0
Material: emergence classese0
Outcome: N utilizatione0
Direction: absence of variationse0

Verbatim

e0
“The absence of variations in N utilization across emergence classes”
✓ located verbatim in the source · abstract, characters 1258–1325

t0
“maize”
✓ located verbatim in the source · title, characters 26–31

Title

Emergence delay effect on maize (Zea mays L.) nitrogen uptake

Susana Albarenque; Bruno Basso; Ricardo Melchiori Agronomy Journal 2024. doi:10.1002/agj2.21678

Other claims from this paper (7)

Observation Maize emergence ranged from 64 to 124.1°C day and varied among zones in two fields.
Observation Plant to plant biomass variation decreased from V6 to R1.
Association At maturity maize biomass ranged from 54 to 736 g per plant and differed by yield stability zone.
Association When late plants accumulated less N, their nitrogen harvest index decreased.
Association Grain N concentration was unaffected by late emergence.
Association Biomass N concentration increased with late emergence.
Recommendation The authors favor N management fitted to yield stability zones.

Observationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

N and K utilization efficiency did not differ significantly among cultivars.

Taxon: garlicAllium sativumt0
Outcome: utilization efficiency of N and Ke0
Direction: no significant differencese0

Verbatim

e0
“utilization efficiency of N and Kamong cultivars have no significant differences”
✓ located verbatim in the source · abstract, characters 1835–1915

t0
“garlic cultivars”
✓ located verbatim in the source · title, characters 84–100

Title

Characteristics of dry matter production and N, P, K and S absorption for different garlic cultivars

Zhicheng Fan; Hongyun Guo; Shu‐Dong Zhang; et al. Plant Nutrition and Fertilizing Science 2005

Other claims from this paper (19)

Observation N, P and S contents per plant differed significantly among cultivars throughout growth.
Observation Sulian No. 2 had higher N, P and S contents than Early scape No. 2 and Cangshan.
Observation Early scape No. 2 had higher K content than Cangshan.
Observation Sulian No. 2 had higher K content than Cangshan.
Observation Early scape No. 2 had an N:P:K:S ratio of 8.96:1:5.03:2.23.
Observation Cangshan had an N:P:K:S ratio of 6.01:1:2.90:2.05.
Observation Sulian No. 2 had an N:P:K:S ratio of 5.35:1:2.59:1.83.
Observation Early scape No. 2 sulfur content was 0164 %.
Observation Cangshan sulfur content was 0177 %.
Observation Sulian No. 2 sulfur content was 0190 %.
Observation N, P, K and S content and absorption ratio peaked at scape elongation alongside dry matter production.
Observation Early scape No. 2 nutrient content and absorption ratio were greater in seedling than bulb swelling stage.
Observation Cangshan N and S content and absorption ratio were greater in seedling than bulb swelling stage.
Observation Sulian No. 2 N, K and S content and absorption ratio were greater in seedling than bulb swelling stage.
Observation Cangshan P and K absorption was greater at bulb swelling than seedling stage.
Observation Sulian No. 2 P absorption was greater at bulb swelling than seedling stage.
Observation Dry matter production ratio was smaller at seedling than bulb swelling stage.
Observation P and S utilization efficiency differed significantly among cultivars.
Observation P and S utilization efficiency ranked Early scape No. 2 above Cangshan above Sulian No. 2.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Ammonium sulfate and urea did not differ significantly in N utilization by the crop.

Taxon: Lowland Ricet0
Treatment: Ammonium sulfatee2
Outcome: N utilization by the crope2
Direction: no_changeinferrede2
Comparator: ureae2

Verbatim

t0
“Utilization of Labelled Urea and Ammonium Sulfate by Lowland Rice”
✓ located verbatim in the source · title, characters 0–65

e2
“Ammonium sulfate and urea did not differ significantly in N utilization by the crop”
✓ located verbatim in the source · abstract, characters 791–874

Title

Utilization of Labelled Urea and Ammonium Sulfate by Lowland Rice¹

K. R. Reddy; W. H. Patrick Agronomy Journal 1978. doi:10.2134/agronj1978.00021962007000030025x

Other claims from this paper (3)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Nitrogen utilization efficiency stayed almost the same with increased nitrogen application.

Taxon: maize hybridst0
Treatment: increased N applicatione0
Outcome: N utilization efficiencye0
Direction: almost the samee0

Not reportedComparator

Verbatim

e0
“With increased N application, N uptake efficiency and N use efficiency decreased significantly, whereas N utilization efficiency almost the same.”
✓ located verbatim in the source · abstract, characters 492–637

t0
“maize hybrids”
✓ located verbatim in the source · title, characters 54–67

Title

Genotype differences on nitrogen use efficiency among maize hybrids

Jianan Liu; Guohua Mi; Fanjun Chen; et al. Plant Nutrition and Fertilizing Science 2002

Other claims from this paper (9)

Observation Grain yield variation among maize hybrids was 62% and 57% under two nitrogen levels.
Observation Total shoot nitrogen accumulation varied by 55% and 48% under two nitrogen levels.
Observation Nongda 108 had the highest grain yield and shoot nitrogen accumulation.
Observation Zhongdan 120 had the lowest grain yield and shoot nitrogen accumulation.
Observation Zhong dan 2 had the lowest grain yield and shoot nitrogen accumulation.
Intervention effect Increasing nitrogen application significantly decreased nitrogen uptake efficiency.
Intervention effect Increasing nitrogen application significantly decreased nitrogen use efficiency.
Observation Genotypic variation in nitrogen use efficiency decreased significantly.
Association Genotypic variation in nitrogen use efficiency depended mainly on uptake efficiency at both nitrogen levels.

“N utilization”

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