Abstract
Balanced plant nutrition is vital to increase crop yield and reduce costs of cultivation. This study tried to verify the influence of Nitrogen (N) in combination with biofertilizers on plant growth, yield and the quality of strawberry grown under greenhouse at the research farm of the Department of Horticulture, Chaudhary Charan Singh Haryana Agricultural University (CCS HAU) Hisar, Haryana (India). The treatments involved four fertilizer N rates of 0, 80, 100 and 120% recommended dose of nitrogen (RDN) plant−1 and two biofertilizers (Azospirillum and Azotobactor) inoculation, in a complete randomized design with five replications. Application 100% RDN per plant was significantly correlated with the maximum plant growth and yield characters, which was the main determinant of yield of strawberry. The maximum fruit yield (288.15 and 318.62 g/plant) was observed under 100% RDN, with increasing N rate, the yield was decreased during both the years of study. Fruits with maximum total soluble sugars (TSS), anthocyanin content and lower acidity were noted with the application of 120% RDN, while the maximum ascorbic acid content was estimated in fruits harvested from the plants were supplied with 100% RDN. Furthermore, biofertilizers had a significant effect on growth, yield and berry quality of strawberry and plants inoculated with Azotobacter, recorded maximum growth and yield attributes. As quality concerned plants inoculated with Azotobacter beared fruits recorded maximum values for quality parameters during the year 2017–18 and 2018–19. The combined application of Azotobacter along with 100% RDN showed better results in terms of all growth, yield and quality parameters, which was statistically at par with Azospirillum + 100% RDN during both the years. The study revealed that, N recommendation at a rate of 100% RDN per plant along with Azotobacter, Azospirillium inoculation suggested for sustainable strawberry production in this greenhouse conditions.
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Claims 12
Claim · model-written summary
The 100% nitrogen rate gave maximum strawberry growth characters.
- Taxon
- strawberry
Fragaria ×ananassat0 - Treatment
- 100% RDN per plante0
- Outcome
- plant growthe0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Application 100% RDN per plant was significantly correlated with the maximum plant growth and yield characters”
t0“strawberry”
Claim · model-written summary
The 100% nitrogen rate gave maximum strawberry yield characters.
- Taxon
- strawberry
Fragaria ×ananassat0 - Treatment
- 100% RDN per plante0
- Outcome
- yield characterse0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Application 100% RDN per plant was significantly correlated with the maximum plant growth and yield characters”
t0“strawberry”
Claim · model-written summary
Fruit yield reached 288.15 and 318.62 g/plant under 100% RDN in the two study years.
- Taxon
- strawberry
Fragaria ×ananassat0 - Treatment
- 100% RDNe0
- Outcome
- fruit yielde0
- Direction
- maximume0
- Value
- 288.15 and 318.62 g/plante0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“The maximum fruit yield (288.15 and 318.62 g/plant) was observed under 100% RDN”
t0“strawberry”
Claim · model-written summary
Yield decreased as nitrogen increased above the optimal rate in both years.
- Taxon
- strawberry
Fragaria ×ananassat0 - Treatment
- increasing N ratee0
- Outcome
- yielde0
- Direction
- decreasede0
- Qualifier
- both the years of studye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“with increasing N rate, the yield was decreased during both the years of study.”
t0“strawberry”
Claim · model-written summary
The 120% RDN treatment gave maximum fruit total soluble sugars and anthocyanin content.
- Taxon
- strawberry
Fragaria ×ananassat0 - Organ / stage
- Fruitse0
- Treatment
- 120% RDNe0
- Outcome
- total soluble sugars (TSS), anthocyanin contente0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Fruits with maximum total soluble sugars (TSS), anthocyanin content and lower acidity were noted with the application of 120% RDN”
t0“strawberry”
Claim · model-written summary
The 120% RDN treatment lowered fruit acidity.
- Taxon
- strawberry
Fragaria ×ananassat0 - Organ / stage
- Fruitse0
- Treatment
- 120% RDNe0
- Outcome
- aciditye0
- Direction
- lowere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Fruits with maximum total soluble sugars (TSS), anthocyanin content and lower acidity were noted with the application of 120% RDN”
t0“strawberry”
Claim · model-written summary
Fruit ascorbic acid content was maximal under 100% RDN.
- Taxon
- strawberry
Fragaria ×ananassat0 - Organ / stage
- fruitse0
- Treatment
- 100% RDNe0
- Outcome
- ascorbic acid contente0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“the maximum ascorbic acid content was estimated in fruits harvested from the plants were supplied with 100% RDN.”
t0“strawberry”
Claim · model-written summary
Biofertilizers significantly affected strawberry growth, yield and berry quality.
- Taxon
- strawberry
Fragaria ×ananassae0 - Treatment
- biofertilizerse0
- Outcome
- growth, yield and berry qualitye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“biofertilizers had a significant effect on growth, yield and berry quality of strawberry”
Claim · model-written summary
Azotobacter inoculation gave maximum strawberry growth and yield attributes.
- Taxon
- strawberry
Fragaria ×ananassat0 - Treatment
- inoculated with Azotobactere0
- Interactor
- Azotobacter
Azotobactere0symbiont - Outcome
- growth and yield attributese0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)

Verbatim
e0“plants inoculated with Azotobacter, recorded maximum growth and yield attributes.”
t0“strawberry”
Claim · model-written summary
Azotobacter inoculation gave maximum fruit quality parameters in both years.
- Taxon
- strawberry
Fragaria ×ananassat0 - Treatment
- inoculated with Azotobactere0
- Interactor
- Azotobacter
Azotobactere0symbiont - Outcome
- quality parameterse0
- Direction
- maximume0
- Qualifier
- during the year 2017–18 and 2018–19e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)

Verbatim
e0“plants inoculated with Azotobacter beared fruits recorded maximum values for quality parameters during the year 2017–18 and 2018–19.”
t0“strawberry”
Claim · model-written summary
Azotobacter plus 100% RDN performed better across growth, yield and quality, statistically at par with Azospirillum plus 100% RDN.
- Taxon
- strawberry
Fragaria ×ananassat0 - Treatment
- Azotobacter along with 100% RDNe0
- Interactor
- Azotobacter
Azotobactere0symbiont - Second interactor
- Azospirillum
Azospirillume0symbiont - Outcome
- growth, yield and quality parameterse0
- Direction
- bettere0
- Comparator
- Azospirillum + 100% RDNe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)


Verbatim
e0“The combined application of Azotobacter along with 100% RDN showed better results in terms of all growth, yield and quality parameters, which was statistically at par with Azospirillum + 100% RDN during both the years.”
t0“strawberry”
Claim · model-written summary
The authors recommend 100% RDN per plant with Azotobacter or Azospirillum inoculation for sustainable greenhouse strawberry production.
- Taxon
- strawberry
Fragaria ×ananassae0 - Treatment
- 100% RDN per plant along with Azotobacter, Azospirillium inoculatione0
- Outcome
- sustainable strawberry productione0
- Setting
- greenhouse conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“N recommendation at a rate of 100% RDN per plant along with Azotobacter, Azospirillium inoculation suggested for sustainable strawberry production in this greenhouse conditions”
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See all 32 papers →8 of 9 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.
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.