Abstract
Abstract Allium crops including shallot have been reported to have a high dependency on symbiosis with arbuscular mycorrhizal fungi (AMF), and have a high requirement for fertilizers. This study aimed to examine the effects of additively intercropping shallot with peanut and application of different combinations of organic-silicate-mycorrhiza-bio-fertilizer on growth and yield of several varieties of shallots. The field experiment for this study was designed according to Split Split-Plot design, with three blocks and three treatment factors, namely additive intercropping as the main plots (T0 = without; T1 = with shallot-peanut intercropping), shallot varieties as the subplots (V1 = Bima Brebes; V2 = Ketamonca; V3 = Super Philip), and fertilizer combinations as the sub-subplots (P1 = NPKS fertilizer only; P2 = NPKS+organic+silicate; P3 = NPKS+organic+silicate+mycorrhiza bio-fertilizer). Results indicated that among the treatment factors, fertilizer combination showed the most significant effects on growth and yield of shallot, and both fertilizer combinations containing silicate and organic fertilizer (P2 and P3) significantly increased yield of shallot, especially the P3 fertilizer combination, which contained mycorrhiza bio-fertilizer. Although intercropping with peanut showed no significant effects on all observation variables, there was a significant three-way interaction effect on shallot yield, which indicated different responses between varieties to intercropping and fertilizer combinations, in which yield of Ketamonca (V2) was not affected by intercropping but yield of Bima Brebes (V1) was reduced by intercropping, whereas yield of Super Philip (V3) was increased by intercropping it with peanut, especially under fertilizer combination containing mycorrhiza bio-fertilizer (P3).
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Claims 8
Claim · model-written summary
Fertilizer combination had the most significant effects on shallot growth and yield.
- Taxon
- shallot
Allium cepa var. aggregatume0 - Treatment
- fertilizer combinatione0
- Outcome
- growth and yielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fertilizer combination showed the most significant effects on growth and yield of shallot”
Claim · model-written summary
P2 significantly increased shallot yield.
- Taxon
- shallotAllium cepa var. aggregatume0
- Treatment
- P2e0
- Outcome
- yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both fertilizer combinations containing silicate and organic fertilizer (P2 and P3) significantly increased yield of shallot”
Claim · model-written summary
P3 significantly increased shallot yield.
- Taxon
- shallotAllium cepa var. aggregatume0
- Treatment
- P3e0
- Outcome
- yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both fertilizer combinations containing silicate and organic fertilizer (P2 and P3) significantly increased yield of shallot”
Claim · model-written summary
Peanut intercropping had no significant effect on observed variables overall.
Not reportedTaxonComparator
Verbatim
e0“intercropping with peanut showed no significant effects on all observation variables”
Claim · model-written summary
A significant three-way interaction affected shallot yield.
- Taxon
- shallotAllium cepa var. aggregatume0
- Treatment
- three-way interactione0
- Outcome
- yielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was a significant three-way interaction effect on shallot yield”
Claim · model-written summary
Ketamonca yield was unaffected by intercropping.
Not reportedTaxonComparator
Verbatim
e0“yield of Ketamonca (V2) was not affected by intercropping”
Claim · model-written summary
Bima Brebes yield decreased under intercropping.
Not reportedTaxonComparator
Verbatim
e0“yield of Bima Brebes (V1) was reduced by intercropping”
Claim · model-written summary
Super Philip yield increased under peanut intercropping, especially with P3.
- Material
- Super Philipe0
- Treatment
- intercropping it with peanute0
- Outcome
- yielde0
- Direction
- increasede0
- Qualifier
- especially under fertilizer combination containing mycorrhiza bio-fertilizer (P3)e0
Not reportedTaxonComparator
Verbatim
e0“yield of Super Philip (V3) was increased by intercropping it with peanut, especially under fertilizer combination containing mycorrhiza bio-fertilizer (P3)”
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- positive
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intercropping · yield · Allium cepa (onion)Positive and negative results
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