Abstract
The present study was carried out during 2020–21 and 2021–22 at Agricultural College and Research Institute, Tamil Nadu to investigate the influence of various Zn sources [inorganic (ZnSO4 and Zn-EDTA), enriched organic manure (vermicompost + ZnSO4 and farm yard manure (FYM) + ZnSO4), and Zn solubilizing bacteria (ZSB)) (with and without ZnSO4)] on maize (Zea mays L.) growth and Zn accumulation in grain. The experiment was laid out in a randomized block design (RBD) with three replications taking maize hybrid variety i.e. Monsanto Dekalb as a test crop. Simultaneously, an incubation study with similar Zn sources was run to study the Zn release patterns for 10-weeks. The incubation experiment showed the total DTPA extractable Zn release over 10-weeks was significantly higher in ZnSO4 enriched vermicompost (ER–I) (94.5 mg/kg) than in the other Zn sources. The use of vermicompost enriched with ZnSO4, in combination with the recommended dose of fertilizers (RDF), noticeably increased grain yield to the tune of 8264 kg/ha when compared to other treatments. Additionally, this treatment significantly boosted Zn accumulation in grains and enhanced Zn availability in the soil, which surpassed all other treatments. Consequently, these findings underscore the pivotal role of Zn enriched vermicompost in facilitating Zn bio-fortification in maize crops grown in Zn deficient calcareous soil.
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Claims 4
Claim · model-written summary
In an incubation, total DTPA extractable Zn release over 10 weeks was higher in ZnSO4-enriched vermicompost than in other Zn sources.
- Treatment
- ZnSO4 enriched vermicompost (ER–I)e1
- Outcome
- total DTPA extractable Zn release over 10-weekse1
- Direction
- highere1
- Value
- 94.5 mg/kge1
- Comparator
- the other Zn sourcese1
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on maize (Zea mays L.) growth and Zn accumulation in grain”
e1“The incubation experiment showed the total DTPA extractable Zn release over 10-weeks was significantly higher in ZnSO4 enriched vermicompost (ER–I) (94.5 mg/kg) than in the other Zn sources”
Claim · model-written summary
Vermicompost enriched with ZnSO4 with recommended fertilizer increased maize grain yield by 8264 kg/ha compared with other treatments.
- Treatment
- vermicompost enriched with ZnSO4, in combination with the recommended dose of fertilizers (RDF)e2
- Outcome
- grain yielde2
- Direction
- increasede2
- Value
- 8264 kg/hae2
- Comparator
- other treatmentse2
- Setting
- Agricultural College and Research Institute, Tamil Nadue4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on maize (Zea mays L.) growth and Zn accumulation in grain”
e2“The use of vermicompost enriched with ZnSO4, in combination with the recommended dose of fertilizers (RDF), noticeably increased grain yield to the tune of 8264 kg/ha when compared to other treatments”
e4“The present study was carried out during 2020–21 and 2021–22 at Agricultural College and Research Institute, Tamil Nadu”
Claim · model-written summary
Vermicompost enriched with ZnSO4 significantly boosted maize grain Zn accumulation compared with all other treatments.
- Treatment
- vermicompost enriched with ZnSO4e2
- Outcome
- Zn accumulation in grainse3
- Direction
- boostede3
- Comparator
- all other treatmentse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on maize (Zea mays L.) growth and Zn accumulation in grain”
e2“The use of vermicompost enriched with ZnSO4, in combination with the recommended dose of fertilizers (RDF), noticeably increased grain yield to the tune of 8264 kg/ha when compared to other treatments”
e3“this treatment significantly boosted Zn accumulation in grains and enhanced Zn availability in the soil, which surpassed all other treatments”
Claim · model-written summary
Vermicompost enriched with ZnSO4 enhanced soil Zn availability compared with all other treatments.
- Treatment
- vermicompost enriched with ZnSO4e2
- Outcome
- Zn availability in the soile3
- Direction
- enhancede3
- Comparator
- all other treatmentse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on maize (Zea mays L.) growth and Zn accumulation in grain”
e2“The use of vermicompost enriched with ZnSO4, in combination with the recommended dose of fertilizers (RDF), noticeably increased grain yield to the tune of 8264 kg/ha when compared to other treatments”
e3“this treatment significantly boosted Zn accumulation in grains and enhanced Zn availability in the soil, which surpassed all other treatments”
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