Abstract
Field experiments were carried out during 2011-12 in Vertisols of central India on soybean-chickpea cropping sequence. Soybean and chickpea crops were grown in kharif and rabi seasons respectively with 17 treatments (previously screened 3 best isolates each of Rhizobium and PGPR as mono-inoculation and their combinations as co-inoculation along with fertilized uninoculated control (FUI) and unfertilized uninoculated control (UFUI) using RBD with four replications. Co-inoculation of rhizobia with plant growth promoting rhizobacteria (PGPR) played an important role in both promotion of nodulation and plant growth of leguminous crops. In this study, the effect of mono-inoculation and co-inoculation on soybean and chickpea were observed on soil properties, nodulation, yield, total nutrient uptake by crop, harvest index, nitrogen harvest index and additional BNF (biological nitrogen fixation). Status of major available soil nutrients was found better in the post harvest soil samples after both the crops (soybean and chickpea) which received co-inoculation (Rhizobium + PGPR) as compared to mono-inoculation. 14 kg soil available N was found as left over N by soybean crop for chickpea. Co-inoculation played a synergistic role with native rhizobacteria for promotion of nodulation, better additional BNF (biological nitrogen fixation), seed yield, harvest index and nitrogen harvest index of soybean and chickpea due to co-inoculation of seed as compared to mono-inoculation, FUI and UFUI. Significant correlations for both the crops between total nitrogen uptake, soybean grain and straw yield with oven dried weight of nodules were also observed.
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Claims 4
Claim · model-written summary
Co-inoculation improved available soil nutrients relative to mono-inoculation.
- Taxon
- soybean and chickpea
Cicer arietinum
Glycine maxe0 - Treatment
- co-inoculation (Rhizobium + PGPR)e0
- Second interactor
- PGPRe0symbiont
- Outcome
- major available soil nutrientse0
- Direction
- bettere0
- Comparator
- mono-inoculatione0
RhizobiumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Status of major available soil nutrients was found better in the post harvest soil samples after both the crops (soybean and chickpea) which received co-inoculation (Rhizobium + PGPR) as compared to mono-inoculation”
Claim · model-written summary
Soybean left 14 kg soil available N for chickpea.
- Taxon
- soybeanGlycine maxe0
- Outcome
- soil available Ne0
- Value
- 14 kge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“14 kg soil available N was found as left over N by soybean crop for chickpea”
Claim · model-written summary
Co-inoculation improved nodulation, BNF, seed yield and harvest indices in both crops relative to controls.
- Taxon
- soybean and chickpeaCicer arietinumGlycine maxe0
- Treatment
- co-inoculation of seede0
- Outcome
- nodulation, better additional BNF (biological nitrogen fixation), seed yield, harvest index and nitrogen harvest indexe0
- Direction
- bettere0
- Comparator
- mono-inoculation, FUI and UFUIe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“promotion of nodulation, better additional BNF (biological nitrogen fixation), seed yield, harvest index and nitrogen harvest index of soybean and chickpea due to co-inoculation of seed as compared to mono-inoculation, FUI and UFUI”
t0“Rhizobium and PGPR”
Claim · model-written summary
Nitrogen uptake, soybean grain and straw yield correlated significantly with dry nodule weight.
- Taxon
- soybean and chickpeaCicer arietinumGlycine maxt0
- Organ / stage
- nodulese0
- Outcome
- total nitrogen uptake, soybean grain and straw yielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant correlations for both the crops between total nitrogen uptake, soybean grain and straw yield with oven dried weight of nodules were also observed”
t0“soybean and chickpea”
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