Abstract
A pot experiment was conducted in the green house to evaluate the response of sorghum crop grown on newly reclaimed sand soil to different organic additives in combination with biofertilizer Azotobacter chroococcum and different rates of mineral-N. Straw and root dry weight was stimulated by bacterial inoculation combined with high rate of mineral fertilizer (40 mg N pot-1). Nitrogen uptake by straw and root was gradually increased with increasing fertilizer-N rates. Similar enhancement effect of organic fertilizers and bacterial inoculation was also recognized with high N rate. P uptake by plants was positively enhanced by nitrogen fertilizer application, compost and chicken manure additives. Reversibly, bacterial inoculation has no positive effect on P uptake by either straw or root. Potassium uptake was not varied as affected by organic additives. But, to some extent, it was enhanced by increasing the nitrogen fertilizer rates. Generally, bacterial inoculation has no positive effect on K uptake by either straw or root. Chicken manure was the best in releasing mineralized N (Ndforg) to inoculated plants, followed by leucaena residue then compost. In case of the un-inoculated plants, the release of N from chicken manure surpasses those of compost whereas leucaena residues came to the next. N derived from mineral fertilizer was significantly affected by mineral fertilizer rates and to some extent by organic types. Increases of %Ndff in the uninoculated plants confirmed its dependence mainly on N gained from mineral fertilizer rather than other sources like those derived from organic additives or soil.
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Claims 12
Claim · model-written summary
Bacterial inoculation combined with a high mineral fertilizer rate stimulated straw and root dry weight of sorghum.
- Organ / stage
- Straw and roote1
- Treatment
- bacterial inoculation combined with high rate of mineral fertilizere1
- Outcome
- dry weighte1
- Direction
- stimulatede1
SorghumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e1“Straw and root dry weight was stimulated by bacterial inoculation combined with high rate of mineral fertilizer (40 mg N pot-1)”
Claim · model-written summary
Sorghum nitrogen uptake by straw and root increased with increasing fertilizer-N rates.
- Organ / stage
- straw and roote2
- Treatment
- increasing fertilizer-N ratese2
- Outcome
- Nitrogen uptakee2
- Direction
- gradually increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e2“Nitrogen uptake by straw and root was gradually increased with increasing fertilizer-N rates”
Claim · model-written summary
Organic fertilizers and bacterial inoculation similarly enhanced the response at high N rate in sorghum.
- Treatment
- organic fertilizers and bacterial inoculatione3
- Outcome
- enhancement effecte3
- Direction
- enhancemente3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e3“Similar enhancement effect of organic fertilizers and bacterial inoculation was also recognized with high N rate”
Claim · model-written summary
Nitrogen fertilizer application, compost and chicken manure positively enhanced sorghum P uptake.
- Treatment
- nitrogen fertilizer application, compost and chicken manure additivese4
- Outcome
- P uptakee4
- Direction
- positively enhancede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e4“P uptake by plants was positively enhanced by nitrogen fertilizer application, compost and chicken manure additives”
Claim · model-written summary
Bacterial inoculation had no positive effect on sorghum P uptake by straw or root.
- Organ / stage
- straw or roote5
- Treatment
- bacterial inoculatione5
- Outcome
- P uptakee5
- Direction
- has no positive effecte5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e5“bacterial inoculation has no positive effect on P uptake by either straw or root”
Claim · model-written summary
Potassium uptake by sorghum was not varied by organic additives.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e6“Potassium uptake was not varied as affected by organic additives”
Claim · model-written summary
Increasing nitrogen fertilizer rates enhanced sorghum K uptake to some extent.
- Treatment
- increasing the nitrogen fertilizer ratese7
- Outcome
- Potassium uptakee6
- Direction
- enhancede7
- Qualifier
- to some extente7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e6“Potassium uptake was not varied as affected by organic additives”
e7“But, to some extent, it was enhanced by increasing the nitrogen fertilizer rates”
Claim · model-written summary
Bacterial inoculation had no positive effect on sorghum K uptake by straw or root.
- Organ / stage
- straw or roote1
- Treatment
- bacterial inoculatione1
- Outcome
- K uptakee1
- Direction
- has no positive effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e1“Generally, bacterial inoculation has no positive effect on K uptake by either straw or root”
Claim · model-written summary
Chicken manure released the most mineralized N to inoculated sorghum, ahead of leucaena residue and compost.
- Treatment
- Chicken manuree1
- Outcome
- releasing mineralized N (Ndforg)e1
- Direction
- the beste1
- Comparator
- leucaena residue then composte1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e1“Chicken manure was the best in releasing mineralized N (Ndforg) to inoculated plants, followed by leucaena residue then compost”
Claim · model-written summary
In un-inoculated sorghum, chicken manure released more N than compost.
- Treatment
- chicken manuree1
- Outcome
- release of Ne1
- Direction
- surpassese1
- Qualifier
- un-inoculated plantse1
- Comparator
- composte1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e1“In case of the un-inoculated plants, the release of N from chicken manure surpasses those of compost whereas leucaena residues came to the next”
Claim · model-written summary
N derived from mineral fertilizer in sorghum was significantly affected by mineral fertilizer rates.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e1“N derived from mineral fertilizer was significantly affected by mineral fertilizer rates and to some extent by organic types”
Claim · model-written summary
Increases in %Ndff in uninoculated sorghum indicate dependence mainly on mineral-fertilizer N rather than organic additives or soil.
- Treatment
- mineral fertilizere1
- Outcome
- %Ndffe1
- Direction
- Increasese1
- Qualifier
- uninoculated plantse1
- Comparator
- other sources like those derived from organic additives or soile1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response of sorghum crop”
e1“Increases of %Ndff in the uninoculated plants confirmed its dependence mainly on N gained from mineral fertilizer rather than other sources like those derived from organic additives or soil”
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See all 118 papers →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.