Abstract
A field experiment was conducted in 2010 crop season with three factors: Inoculation (U = no inoculums and I = with inoculums), three levels of P (0, 20, 40kgPha-1) and three levels of Zn (0, 15, 25kgZnha-1) fertilizations. The experiments were laid in randomized complete blocks in three replications on calcaric cambisols to study effects of inoculation, P and Zn fertilizations on nodulation, yield, yield components, and the uptake N, P and Zn by the plant. Composite soil samples were collected one month before sowing and plant samples were taken both at 50% flowering and plant maturity. Findings showed that, the main and interaction effects of inoculation, P and Zn fertilization were found to affect significantly (P < 0.05) the root distribution and mass of nodules, the concentration of N, P and Zn in nodule, root and leaf tissues at 50% flowering, At maturity, P and Zn were found to significantly increase the root length, root fresh weight of the plant, and inoculation significantly affected the root fresh weight. Phosphorous and Zn fertilization improved the grain yield, pods plant-1, grain pod-1, number of branches, and the grain uptake of N, P and Zn nutrients. The combined application of inoculation, P and Zn fertilization increased the grain yield on average by 1.3 Mg ha-1. Phosphorous and Zn fertilization alone increased the grain P and Zn uptake by 1.1 and 2.7 × 10-2 kg ha-1, respectively, and the combined application of inoculation, P and Zn improved the N uptake of the faba bean grains on average by 40 kg ha-1. Thus, inoculating the legume with efficient and compatible rhizobium, and fertilizing it with P and Zn should be recommended to soils deficient in P and Zn, especially in alkaline calcareous soils. Key words: Semiarid, nodulation, inoculation, zinc, phosphorus, yield, nutrient uptake, faba bean.
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Claims 12
Claim · model-written summary
Inoculation, P and Zn fertilization, alone and in interaction, significantly affected root distribution and mass of nodules in faba bean.
- Taxon
- Faba bean
Vicia fabat0 - Treatment
- inoculation, P and Zn fertilizatione1
- Outcome
- root distribution and mass of nodulese1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba bean”
e1“the main and interaction effects of inoculation, P and Zn fertilization were found to affect significantly (P < 0.05) the root distribution and mass of nodules”
Claim · model-written summary
Inoculation, P and Zn fertilization, alone and in interaction, significantly affected N, P and Zn concentrations in nodule, root and leaf tissues of faba bean at 50% flowering.
- Taxon
- Faba beanVicia fabat0
- Organ / stage
- nodule, root and leaf tissuese1
- Treatment
- inoculation, P and Zn fertilizatione1
- Outcome
- concentration of N, P and Zne1
- Qualifier
- at 50% floweringe1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba bean”
e1“the main and interaction effects of inoculation, P and Zn fertilization were found to affect significantly (P < 0.05) the root distribution and mass of nodules, the concentration of N, P and Zn in nodule, root and leaf tissues at 50% flowering”
Claim · model-written summary
At maturity, P and Zn significantly increased root length and root fresh weight of faba bean.
- Taxon
- Faba beanVicia fabat0
- Organ / stage
- roote1
- Treatment
- P and Zne1
- Outcome
- root length, root fresh weighte1
- Direction
- increasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba bean”
e1“At maturity, P and Zn were found to significantly increase the root length, root fresh weight of the plant”
Claim · model-written summary
Inoculation significantly affected root fresh weight of faba bean at maturity.
- Taxon
- Faba beanVicia fabat0
- Treatment
- inoculatione1
- Outcome
- root fresh weighte1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba bean”
e1“inoculation significantly affected the root fresh weight”
Claim · model-written summary
P and Zn fertilization improved grain yield, pods per plant and grains per pod of faba bean.
- Taxon
- Faba beanVicia fabat0
- Treatment
- Phosphorous and Zn fertilizatione1
- Outcome
- grain yield, pods plant-1, grain pod-1e1
- Direction
- improvede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba bean”
e1“Phosphorous and Zn fertilization improved the grain yield, pods plant-1, grain pod-1”
Claim · model-written summary
P and Zn fertilization improved the number of branches of faba bean.
- Taxon
- Faba beanVicia fabat0
- Treatment
- Phosphorous and Zn fertilizatione1
- Outcome
- number of branchese2
- Direction
- improvede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba bean”
e1“Phosphorous and Zn fertilization improved”
e2“number of branches”
Claim · model-written summary
P and Zn fertilization improved the grain uptake of N, P and Zn of faba bean.
- Taxon
- Faba beanVicia fabat0
- Treatment
- Phosphorous and Zn fertilizatione1
- Outcome
- grain uptake of N, P and Zn nutrientse2
- Direction
- improvede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba bean”
e1“Phosphorous and Zn fertilization improved”
e2“grain uptake of N, P and Zn nutrients”
Claim · model-written summary
Combined inoculation, P and Zn fertilization increased faba bean grain yield on average by 1.3 Mg ha-1.
- Taxon
- Faba beanVicia fabat0
- Treatment
- combined application of inoculation, P and Zn fertilizatione1
- Outcome
- grain yielde1
- Direction
- increasede1
- Value
- 1.3 Mg ha-1e1
- Qualifier
- on averagee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba bean”
e1“The combined application of inoculation, P and Zn fertilization increased the grain yield on average by 1.3 Mg ha-1”
Claim · model-written summary
P and Zn fertilization alone increased faba bean grain P uptake by 1.1 kg ha-1.
- Taxon
- Faba beanVicia fabat0
- Treatment
- Phosphorous and Zn fertilization alonee1
- Outcome
- grain P and Zn uptakee1
- Direction
- increasede1
- Value
- 1.1e1
- Qualifier
- respectivelye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba bean”
e1“Phosphorous and Zn fertilization alone increased the grain P and Zn uptake by 1.1 and 2.7 × 10-2 kg ha-1, respectively”
Claim · model-written summary
P and Zn fertilization alone increased faba bean grain Zn uptake by 2.7 × 10-2 kg ha-1.
- Taxon
- Faba beanVicia fabat0
- Treatment
- Phosphorous and Zn fertilization alonee1
- Outcome
- grain P and Zn uptakee1
- Direction
- increasede1
- Value
- 2.7 × 10-2 kg ha-1e1
- Qualifier
- respectivelye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba bean”
e1“Phosphorous and Zn fertilization alone increased the grain P and Zn uptake by 1.1 and 2.7 × 10-2 kg ha-1, respectively”
Claim · model-written summary
Combined inoculation, P and Zn improved the N uptake of faba bean grains on average by 40 kg ha-1.
- Taxon
- faba beanVicia fabae1
- Treatment
- combined application of inoculation, P and Zne1
- Outcome
- N uptake of the faba bean grainse1
- Direction
- improvede1
- Value
- 40 kg ha-1e1
- Qualifier
- on averagee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“the combined application of inoculation, P and Zn improved the N uptake of the faba bean grains on average by 40 kg ha-1”
Claim · model-written summary
The authors recommend inoculating faba bean with efficient, compatible rhizobium and fertilizing it with P and Zn on P- and Zn-deficient soils, especially alkaline calcareous soils.
- Taxon
- Faba beanVicia fabat0
- Outcome
- inoculating the legume with efficient and compatible rhizobium, and fertilizing it with P and Zne1
- Setting
- alkaline calcareous soilse1
RhizobiumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Faba bean”
e1“inoculating the legume with efficient and compatible rhizobium, and fertilizing it with P and Zn should be recommended to soils deficient in P and Zn, especially in alkaline calcareous soils”
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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.