Abstract
Soil acidity is one of land degradation problem that reduces land’s ability to provide ecosystem services which has stayed as an eminent problem limiting crop production and productivity in Ethiopia. To counteract this problem sustainably, development of regenerative agricultural strategy that aimed not simply at sustaining the current state of soils and ecology, rather at enhancing an array of different schemes such as conservation agriculture, integrated soil fertility management technology comprising inorganic and organic soil amendment and others are substantial. On-station experiment were conducted at Damotu FTC for three consecutive cropping seasons (2019, 2020 and 2021) to examine the integrated use of lime and vermicompost on faba bean productivity and the soil chemical properties. Two rates of lime (2.6 t ha-1 and 1.3 t ha-1), two level of vermicompost (4.6 t ha-1and 2.3 t ha-1 ) and two rates of NP fertilizer (46 N/18 P2 O5 and 23 N/9 P2 O5 )were combined systematically along with one control and standard check arranged in RCB design with three replications.. Three years mean result showed that a significantly highest number of pod per plant (13) were recorded from the combined use of 2.3 t ha-1 of vermicompost, 1.3 t ha-1 of lime and 46 N/18 P2 O5 . The trend is quite similar in biomass production and seed yield of faba bean where a significantly higher yield of grain (2.95 t ha-1) was obtained from the same input combination which outscored the control treatment by more than 100%. The soil analysis results revealed that soil pH increased from 5.19 (strongly acidic) to 6.21 (slightly acidic), while exchangeable acidity decreased from 1.7 to 0.13 cmol kg-1 under combined application of 4.6 t ha-1 of vermicompost and 2.6 t ha-1 of lime without the use of NP fertilizer. Higher values of TN and Av.P was obtained from the application of 2.3 t ha-1 of vermicompost and 2.6 t ha-1 of lime along with recommended NP fertilizer. The result of this investigation suggested that the integrated use of lime and vermicompost along with sub-optimal application rates of chemical NP fertilizer could increase faba bean yield significantly and improve soil chemical properties in acidic soil condition.
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Claims 7
Claim · model-written summary
The combined input treatment produced the highest pod count, 13 per plant.
- Taxon
- faba bean
Vicia fabat0 - Treatment
- 2.3 t ha-1 of vermicompost, 1.3 t ha-1 of lime and 46 N/18 P2 O5e0
- Outcome
- number of pod per plante0
- Direction
- higheste0
- Value
- 13e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significantly highest number of pod per plant (13) were recorded from the combined use of 2.3 t ha-1 of vermicompost, 1.3 t ha-1 of lime and 46 N/18 P2 O5”
t0“faba bean”
Claim · model-written summary
The same input combination produced significantly higher biomass.
- Taxon
- faba beanVicia fabat0
- Treatment
- same input combinationt1
- Outcome
- biomass productione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The trend is quite similar in biomass production”
t0“faba bean”
t1“same input combination”
Claim · model-written summary
That combination yielded 2.95 t ha-1 grain, over 100% more than control.
- Taxon
- faba beanVicia fabat0
- Treatment
- same input combinatione0
- Outcome
- yield of graine0
- Direction
- highere0
- Value
- 2.95 t ha-1e0
- Qualifier
- more than 100%e0
- Comparator
- control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significantly higher yield of grain (2.95 t ha-1) was obtained from the same input combination which outscored the control treatment by more than 100%”
t0“faba bean”
Claim · model-written summary
Combined vermicompost and lime increased soil pH from 5.19 to 6.21.
- Taxon
- faba beanVicia fabat0
- Treatment
- 4.6 t ha-1 of vermicompost and 2.6 t ha-1 of lime without the use of NP fertilizere0
- Outcome
- soil pHe0
- Direction
- increasede0
- Value
- 6.21e0
- Qualifier
- 5.19e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil pH increased from 5.19 (strongly acidic) to 6.21 (slightly acidic), while exchangeable acidity decreased from 1.7 to 0.13 cmol kg-1 under combined application of 4.6 t ha-1 of vermicompost and 2.6 t ha-1 of lime without the use of NP fertilizer”
t0“faba bean”
Claim · model-written summary
Combined vermicompost and lime reduced soil exchangeable acidity from 1.7 to 0.13 cmol kg-1.
- Taxon
- faba beanVicia fabat0
- Treatment
- 4.6 t ha-1 of vermicompost and 2.6 t ha-1 of lime without the use of NP fertilizere0
- Outcome
- exchangeable aciditye0
- Direction
- decreasede0
- Value
- 0.13 cmol kg-1e0
- Qualifier
- 1.7e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exchangeable acidity decreased from 1.7 to 0.13 cmol kg-1 under combined application of 4.6 t ha-1 of vermicompost and 2.6 t ha-1 of lime without the use of NP fertilizer”
t0“faba bean”
Claim · model-written summary
Vermicompost, lime and recommended NP fertilizer gave higher soil TN and Av.P.
- Taxon
- faba beanVicia fabat0
- Treatment
- 2.3 t ha-1 of vermicompost and 2.6 t ha-1 of lime along with recommended NP fertilizere0
- Outcome
- TN and Av.Pe0
- Direction
- Highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Higher values of TN and Av.P was obtained from the application of 2.3 t ha-1 of vermicompost and 2.6 t ha-1 of lime along with recommended NP fertilizer”
t0“faba bean”
Claim · model-written summary
The authors recommend integrated lime and vermicompost with sub-optimal NP fertilizer to increase yield and improve soil chemistry.
- Taxon
- faba beanVicia fabae0
- Outcome
- integrated use of lime and vermicompost along with sub-optimal application rates of chemical NP fertilizere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“integrated use of lime and vermicompost along with sub-optimal application rates of chemical NP fertilizer could increase faba bean yield significantly and improve soil chemical properties in acidic soil condition”
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See all 8 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.