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“yield decrease”

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paper W2256209447 ✕

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Average potato yield increased significantly with nitrogen supply up to 225 kg N ha-1 and then tended to decrease slightly.

Taxon: potatoSolanum tuberosume0
Treatment: increase in N supply up to 225 kg N ha-1e0
Outcome: Average yield of potato cultivarse0
Direction: increased significantlye0
Qualifier: then tended to decrease slightly as nitrogen levels increased furthere0

Not reportedComparatorValue

Verbatim

e0
“Average yield of potato cultivars increased significantly with increase in N supply up to 225 kg N ha-1, then tended to decrease slightly as nitrogen levels increased further”
✓ located verbatim in the source · abstract, characters 301–475

Title

Impact of nitrogen nutrition on productivity and nutrient use efficiency of potato (Solanum tuberosum L.) In an inceptisol of west Bengal, India

H Banerjee; K Ray; S Sarkar; et al. SAARC Journal of Agriculture 2016. doi:10.3329/sja.v13i2.26575

Other claims from this paper (10)

Intervention effect Tuber yield of Kufri Shailja and Kufri Jyoti increased significantly up to 225 kg N ha-1 and decreased with further nitrogen.
Intervention effect Yield of Kufri Himalini increased with nitrogen up to 300 kg N ha-1.
Intervention effect The yield increment of Kufri Himalini from 225 to 300 kg N ha-1 was not significant.
Intervention effect Applying 150 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 5.3%.
Intervention effect Applying 75 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 18.7%.
Intervention effect Applying no nitrogen instead of 225 kg N ha-1 decreased average potato tuber yield by 65.1%.
Intervention effect Nitrogen use efficiency of potato decreased towards higher N levels for all cultivars.
Association Nitrogen use efficiency of Kufri Himalini was higher at all N levels.
Recommendation About 225 kg N ha-1 is the optimum nitrogen dose for higher potato tuber yield irrespective of cultivar.
Observation Kufri Himalini was the most efficient cultivar in nitrogen use.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Yield of Kufri Himalini increased with nitrogen up to 300 kg N ha-1.

Taxon: potatoSolanum tuberosume0
Material: Kufri Himalinie2
Treatment: increase in N level up to 300 kg N ha-1e2
Outcome: Yielde2
Direction: increasede2

Not reportedComparatorValue

Verbatim

e0
“Average yield of potato cultivars increased significantly with increase in N supply up to 225 kg N ha-1, then tended to decrease slightly as nitrogen levels increased further”
✓ located verbatim in the source · abstract, characters 301–475

e2
“Yield of Kufri Himalini was increased with increase in N level up to 300 kg N ha-1”
✓ located verbatim in the source · abstract, characters 655–737

Title

Impact of nitrogen nutrition on productivity and nutrient use efficiency of potato (Solanum tuberosum L.) In an inceptisol of west Bengal, India

H Banerjee; K Ray; S Sarkar; et al. SAARC Journal of Agriculture 2016. doi:10.3329/sja.v13i2.26575

Other claims from this paper (10)

Intervention effect Average potato yield increased significantly with nitrogen supply up to 225 kg N ha-1 and then tended to decrease slightly.
Intervention effect Tuber yield of Kufri Shailja and Kufri Jyoti increased significantly up to 225 kg N ha-1 and decreased with further nitrogen.
Intervention effect The yield increment of Kufri Himalini from 225 to 300 kg N ha-1 was not significant.
Intervention effect Applying 150 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 5.3%.
Intervention effect Applying 75 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 18.7%.
Intervention effect Applying no nitrogen instead of 225 kg N ha-1 decreased average potato tuber yield by 65.1%.
Intervention effect Nitrogen use efficiency of potato decreased towards higher N levels for all cultivars.
Association Nitrogen use efficiency of Kufri Himalini was higher at all N levels.
Recommendation About 225 kg N ha-1 is the optimum nitrogen dose for higher potato tuber yield irrespective of cultivar.
Observation Kufri Himalini was the most efficient cultivar in nitrogen use.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Tuber yield of Kufri Shailja and Kufri Jyoti increased significantly up to 225 kg N ha-1 and decreased with further nitrogen.

Taxon: potatoSolanum tuberosume0
Material: Kufri Shailja and Kufri Jyotie1
Treatment: increase in nitrogen level up to 225 kg N ha-1e1
Outcome: Tuber yielde1
Direction: increased significantlye1
Qualifier: further addition of N decreased yielde1

Not reportedComparatorValue

Verbatim

e0
“Average yield of potato cultivars increased significantly with increase in N supply up to 225 kg N ha-1, then tended to decrease slightly as nitrogen levels increased further”
✓ located verbatim in the source · abstract, characters 301–475

e1
“Tuber yield of cultivars Kufri Shailja and Kufri Jyoti was increased significantly with increase in nitrogen level up to 225 kg N ha-1 and further addition of N decreased yield”
✓ located verbatim in the source · abstract, characters 477–653

Title

Impact of nitrogen nutrition on productivity and nutrient use efficiency of potato (Solanum tuberosum L.) In an inceptisol of west Bengal, India

H Banerjee; K Ray; S Sarkar; et al. SAARC Journal of Agriculture 2016. doi:10.3329/sja.v13i2.26575

Other claims from this paper (10)

Intervention effect Average potato yield increased significantly with nitrogen supply up to 225 kg N ha-1 and then tended to decrease slightly.
Intervention effect Yield of Kufri Himalini increased with nitrogen up to 300 kg N ha-1.
Intervention effect The yield increment of Kufri Himalini from 225 to 300 kg N ha-1 was not significant.
Intervention effect Applying 150 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 5.3%.
Intervention effect Applying 75 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 18.7%.
Intervention effect Applying no nitrogen instead of 225 kg N ha-1 decreased average potato tuber yield by 65.1%.
Intervention effect Nitrogen use efficiency of potato decreased towards higher N levels for all cultivars.
Association Nitrogen use efficiency of Kufri Himalini was higher at all N levels.
Recommendation About 225 kg N ha-1 is the optimum nitrogen dose for higher potato tuber yield irrespective of cultivar.
Observation Kufri Himalini was the most efficient cultivar in nitrogen use.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

The yield increment of Kufri Himalini from 225 to 300 kg N ha-1 was not significant.

Taxon: potatoSolanum tuberosume0
Material: Kufri Himalinie2
Treatment: 225 kg N ha-1 to 300 kg N ha-1e3
Outcome: yield incremente3
Direction: not significante3
Comparator: 225 kg N ha-1e3

Verbatim

e0
“Average yield of potato cultivars increased significantly with increase in N supply up to 225 kg N ha-1, then tended to decrease slightly as nitrogen levels increased further”
✓ located verbatim in the source · abstract, characters 301–475

e2
“Yield of Kufri Himalini was increased with increase in N level up to 300 kg N ha-1”
✓ located verbatim in the source · abstract, characters 655–737

e3
“the yield increment from 225 kg N ha-1 to 300 kg N ha-1 was not significant”
✓ located verbatim in the source · abstract, characters 742–817

Title

Impact of nitrogen nutrition on productivity and nutrient use efficiency of potato (Solanum tuberosum L.) In an inceptisol of west Bengal, India

H Banerjee; K Ray; S Sarkar; et al. SAARC Journal of Agriculture 2016. doi:10.3329/sja.v13i2.26575

Other claims from this paper (10)

Intervention effect Average potato yield increased significantly with nitrogen supply up to 225 kg N ha-1 and then tended to decrease slightly.
Intervention effect Tuber yield of Kufri Shailja and Kufri Jyoti increased significantly up to 225 kg N ha-1 and decreased with further nitrogen.
Intervention effect Yield of Kufri Himalini increased with nitrogen up to 300 kg N ha-1.
Intervention effect Applying 150 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 5.3%.
Intervention effect Applying 75 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 18.7%.
Intervention effect Applying no nitrogen instead of 225 kg N ha-1 decreased average potato tuber yield by 65.1%.
Intervention effect Nitrogen use efficiency of potato decreased towards higher N levels for all cultivars.
Association Nitrogen use efficiency of Kufri Himalini was higher at all N levels.
Recommendation About 225 kg N ha-1 is the optimum nitrogen dose for higher potato tuber yield irrespective of cultivar.
Observation Kufri Himalini was the most efficient cultivar in nitrogen use.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen use efficiency of Kufri Himalini was higher at all N levels.

Taxon: potatoSolanum tuberosume0
Material: Kufri Himalinie6
Outcome: NUEe6
Direction: highere6

Verbatim

e0
“Average yield of potato cultivars increased significantly with increase in N supply up to 225 kg N ha-1, then tended to decrease slightly as nitrogen levels increased further”
✓ located verbatim in the source · abstract, characters 301–475

e6
“NUE of Kufri Himalini was higher at all N levels”
✓ located verbatim in the source · abstract, characters 1054–1102

Title

Impact of nitrogen nutrition on productivity and nutrient use efficiency of potato (Solanum tuberosum L.) In an inceptisol of west Bengal, India

H Banerjee; K Ray; S Sarkar; et al. SAARC Journal of Agriculture 2016. doi:10.3329/sja.v13i2.26575

Other claims from this paper (10)

Intervention effect Average potato yield increased significantly with nitrogen supply up to 225 kg N ha-1 and then tended to decrease slightly.
Intervention effect Tuber yield of Kufri Shailja and Kufri Jyoti increased significantly up to 225 kg N ha-1 and decreased with further nitrogen.
Intervention effect Yield of Kufri Himalini increased with nitrogen up to 300 kg N ha-1.
Intervention effect The yield increment of Kufri Himalini from 225 to 300 kg N ha-1 was not significant.
Intervention effect Applying 150 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 5.3%.
Intervention effect Applying 75 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 18.7%.
Intervention effect Applying no nitrogen instead of 225 kg N ha-1 decreased average potato tuber yield by 65.1%.
Intervention effect Nitrogen use efficiency of potato decreased towards higher N levels for all cultivars.
Recommendation About 225 kg N ha-1 is the optimum nitrogen dose for higher potato tuber yield irrespective of cultivar.
Observation Kufri Himalini was the most efficient cultivar in nitrogen use.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Kufri Himalini was the most efficient cultivar in nitrogen use.

Taxon: potatoSolanum tuberosume0
Material: Kufri Himalinie1
Outcome: the most efficient in case of N usee1

Verbatim

e0
“Average yield of potato cultivars increased significantly with increase in N supply up to 225 kg N ha-1, then tended to decrease slightly as nitrogen levels increased further”
✓ located verbatim in the source · abstract, characters 301–475

e1
“cultivar Kufri Himalini was the most efficient in case of N use”
✓ located verbatim in the source · abstract, characters 1230–1293

Title

Impact of nitrogen nutrition on productivity and nutrient use efficiency of potato (Solanum tuberosum L.) In an inceptisol of west Bengal, India

H Banerjee; K Ray; S Sarkar; et al. SAARC Journal of Agriculture 2016. doi:10.3329/sja.v13i2.26575

Other claims from this paper (10)

Intervention effect Average potato yield increased significantly with nitrogen supply up to 225 kg N ha-1 and then tended to decrease slightly.
Intervention effect Tuber yield of Kufri Shailja and Kufri Jyoti increased significantly up to 225 kg N ha-1 and decreased with further nitrogen.
Intervention effect Yield of Kufri Himalini increased with nitrogen up to 300 kg N ha-1.
Intervention effect The yield increment of Kufri Himalini from 225 to 300 kg N ha-1 was not significant.
Intervention effect Applying 150 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 5.3%.
Intervention effect Applying 75 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 18.7%.
Intervention effect Applying no nitrogen instead of 225 kg N ha-1 decreased average potato tuber yield by 65.1%.
Intervention effect Nitrogen use efficiency of potato decreased towards higher N levels for all cultivars.
Association Nitrogen use efficiency of Kufri Himalini was higher at all N levels.
Recommendation About 225 kg N ha-1 is the optimum nitrogen dose for higher potato tuber yield irrespective of cultivar.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Nitrogen use efficiency of potato decreased towards higher N levels for all cultivars.

Taxon: potatoSolanum tuberosume0
Material: all cultivarse5
Treatment: higher N levelse5
Outcome: Nitrogen use efficiency (NUE)e5
Direction: decreasede5

Not reportedComparator

Verbatim

e0
“Average yield of potato cultivars increased significantly with increase in N supply up to 225 kg N ha-1, then tended to decrease slightly as nitrogen levels increased further”
✓ located verbatim in the source · abstract, characters 301–475

e5
“Nitrogen use efficiency (NUE) decreased towards higher N levels for all cultivars”
✓ located verbatim in the source · abstract, characters 971–1052

Title

Impact of nitrogen nutrition on productivity and nutrient use efficiency of potato (Solanum tuberosum L.) In an inceptisol of west Bengal, India

H Banerjee; K Ray; S Sarkar; et al. SAARC Journal of Agriculture 2016. doi:10.3329/sja.v13i2.26575

Other claims from this paper (10)

Intervention effect Average potato yield increased significantly with nitrogen supply up to 225 kg N ha-1 and then tended to decrease slightly.
Intervention effect Tuber yield of Kufri Shailja and Kufri Jyoti increased significantly up to 225 kg N ha-1 and decreased with further nitrogen.
Intervention effect Yield of Kufri Himalini increased with nitrogen up to 300 kg N ha-1.
Intervention effect The yield increment of Kufri Himalini from 225 to 300 kg N ha-1 was not significant.
Intervention effect Applying 150 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 5.3%.
Intervention effect Applying 75 kg N ha-1 instead of 225 kg N ha-1 decreased average potato tuber yield by 18.7%.
Intervention effect Applying no nitrogen instead of 225 kg N ha-1 decreased average potato tuber yield by 65.1%.
Association Nitrogen use efficiency of Kufri Himalini was higher at all N levels.
Recommendation About 225 kg N ha-1 is the optimum nitrogen dose for higher potato tuber yield irrespective of cultivar.
Observation Kufri Himalini was the most efficient cultivar in nitrogen use.

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“yield decrease”

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