Abstract
Two field trails were carried out at Sakha Agricultural Research Station Farm through the two successive growing seasons of 2006/2007 and 2007/2008 to study the effects of fertilization with five nitrogen levels of 0, 25, 50, 75 and 100 kg N/fed. and applying azospirillum bacteria as effective biofertilizer on yield, yield components, nitrogen percentage and grain protein content of wheat .Split plot design was used, the main plots were assigned by N levels and the sub plots were assigned by biofertilization. The obtained results can be summarized as follows: Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season and from 1.31 to 2.2 ton fed-1 in the second season. Increasing nitrogen fertilizer rates high significantly increased grain yield. The highest mean values of 2.26 and 2.6 ton fed-1 were obtained with 100 kg N fed-1 in the first and second season, respectively. Obtained data clearly illustrated that the mean values of straw yield tons/fed. were increased by increasing nitrogen does up to 100 kg/fed. The highest mean values were recorded and they are 3.03 and 3.12 ton/fed. in the first and second growing seasons, respectively. On the contrary, the lowest mean values were recorded under the control treatment (without nitrogen) of 1.32 and 1.28 ton/fed. in the two growing seasons. The mean values of nitrogen and protein percentages were increased by increasing both of mineral and biofertilizer applications. The mean values for plant height were increased by increasing application of both mineral and biofertilizer. The mean values under biofertilizer application were 96.36 and 97.23 cm. But under non-application treatments the mean values were 62.12 and 61.04 cm in the first and second seasons, respectively. Also, application of mineral fertilizer up to 100 kg/fed. increased wheat plant height. The highest mean values were recorded with 100 kg N fed.-1. The mean values of 1000 grain weight, number of tillers and number of spikes were incased by increasing nitrogen dose up to 100 kg N/fed. Also, application of biofertilization led to increasing the studied parameters in comparison with non-application treatments.
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Claims 13
Claim · model-written summary
Inoculation with biofertilizer significantly increased wheat grain yield by 1.32 to 2.13 ton/fed in the first season.
- Taxon
- wheat
Triticum aestivume2 - Treatment
- Inoculation with biofertilizere2
- Interactor
- azospirillum
Azospirillume1symbiont - Outcome
- grain yielde2
- Direction
- increasede2
- Value
- 1.32 to 2.13 ton fed.-1e2
- Qualifier
- in the first seasone2
- Setting
- Sakha Agricultural Research Station Farme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.


Verbatim
e0“Two field trails were carried out at Sakha Agricultural Research Station Farm”
e1“applying azospirillum bacteria as effective biofertilizer”
e2“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
Claim · model-written summary
Inoculation with biofertilizer significantly increased wheat grain yield by 1.31 to 2.2 ton/fed in the second season.
- Taxon
- wheat
Triticum aestivume2 - Treatment
- Inoculation with biofertilizere2
- Interactor
- azospirillum
Azospirillume1symbiont - Outcome
- grain yielde2
- Direction
- increasede2
- Value
- 1.31 to 2.2 ton fed-1e3
- Qualifier
- in the second seasone3
- Setting
- Sakha Agricultural Research Station Farme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.


Verbatim
e0“Two field trails were carried out at Sakha Agricultural Research Station Farm”
e1“applying azospirillum bacteria as effective biofertilizer”
e2“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
e3“from 1.31 to 2.2 ton fed-1 in the second season”
Claim · model-written summary
Increasing nitrogen fertilizer rates significantly increased wheat grain yield.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Increasing nitrogen fertilizer ratese1
- Outcome
- grain yielde1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
e1“Increasing nitrogen fertilizer rates high significantly increased grain yield”
Claim · model-written summary
The highest wheat grain yield, 2.26 and 2.6 ton/fed, was obtained with 100 kg N/fed.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- 100 kg N fed-1e1
- Outcome
- grain yielde0
- Direction
- higheste1
- Value
- 2.26 and 2.6 ton fed-1e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
e1“The highest mean values of 2.26 and 2.6 ton fed-1 were obtained with 100 kg N fed-1 in the first and second season”
Claim · model-written summary
Increasing nitrogen up to 100 kg/fed increased wheat straw yield.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- increasing nitrogen does up to 100 kg/fede1
- Outcome
- straw yielde1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
e1“Obtained data clearly illustrated that the mean values of straw yield tons/fed. were increased by increasing nitrogen does up to 100 kg/fed”
Claim · model-written summary
Wheat straw yield with 100 kg N/fed was 3.03 and 3.12 ton/fed in the two seasons.
- Taxon
- wheat
Triticum aestivume0 - Outcome
- straw yielde1
- Value
- 3.03 and 3.12 ton/fed.e2
- Qualifier
- in the first and second growing seasonse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
e1“Obtained data clearly illustrated that the mean values of straw yield tons/fed. were increased by increasing nitrogen does up to 100 kg/fed”
e2“The highest mean values were recorded and they are 3.03 and 3.12 ton/fed. in the first and second growing seasons”
Claim · model-written summary
Wheat straw yield was lowest at 1.32 and 1.28 ton/fed under the control without nitrogen.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- control treatment (without nitrogen)e2
- Outcome
- straw yielde1
- Value
- 1.32 and 1.28 ton/fed.e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
e1“Obtained data clearly illustrated that the mean values of straw yield tons/fed. were increased by increasing nitrogen does up to 100 kg/fed”
e2“the lowest mean values were recorded under the control treatment (without nitrogen) of 1.32 and 1.28 ton/fed.”
Claim · model-written summary
Increasing both mineral nitrogen and biofertilizer applications increased wheat nitrogen and protein percentages.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- increasing both of mineral and biofertilizer applicationse1
- Outcome
- nitrogen and protein percentagese1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
e1“The mean values of nitrogen and protein percentages were increased by increasing both of mineral and biofertilizer applications”
Claim · model-written summary
Increasing both mineral and biofertilizer applications increased wheat plant height.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- increasing application of both mineral and biofertilizere1
- Outcome
- plant heighte1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
e1“The mean values for plant height were increased by increasing application of both mineral and biofertilizer”
Claim · model-written summary
Wheat plants with biofertilizer application were 96.36 and 97.23 cm tall, higher than 62.12 and 61.04 cm without it.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- biofertilizer applicatione2
- Outcome
- plant heighte1
- Direction
- higherinferrede2
- Value
- 96.36 and 97.23 cme2
- Comparator
- non-application treatmentse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
e1“The mean values for plant height were increased by increasing application of both mineral and biofertilizer”
e2“The mean values under biofertilizer application were 96.36 and 97.23 cm”
e3“But under non-application treatments the mean values were 62.12 and 61.04 cm in the first and second seasons, respectively”
Claim · model-written summary
Application of mineral fertilizer up to 100 kg/fed increased wheat plant height.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- application of mineral fertilizer up to 100 kg/fede0
- Outcome
- plant heighte0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“application of mineral fertilizer up to 100 kg/fed. increased wheat plant height”
Claim · model-written summary
Wheat plant height was highest with 100 kg N/fed.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- 100 kg N fed.-1e2
- Outcome
- plant heighte1
- Direction
- higheste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
e1“The mean values for plant height were increased by increasing application of both mineral and biofertilizer”
e2“The highest mean values were recorded with 100 kg N fed.-1”
Claim · model-written summary
Increasing nitrogen dose up to 100 kg N/fed increased 1000 grain weight, number of tillers and number of spikes.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- increasing nitrogen dose up to 100 kg N/fede1
- Outcome
- 1000 grain weight, number of tillers and number of spikese1
- Direction
- incasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Inoculation with biofertilizer high significantly increased wheat grain yield from 1.32 to 2.13 ton fed.-1 in the first season”
e1“The mean values of 1000 grain weight, number of tillers and number of spikes were incased by increasing nitrogen dose up to 100 kg N/fed”
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