Abstract
Application of organic and mineral fertilizers improves crop productivity and availability of plant nutrients. Further investigation into their integral application is crucial to obtaining optimum crop productivity. A field experiment was conducted during 2020–21 and 2021–22 at experimental field station in Benshangul Gumuz, Assosa University, Assosa, Ethiopia to investigate the response of maize (Zea mays L.) yield to lime, blended NPSZnB fertilizer and vermicompost. Two lime levels, three vermicompost levels, and three blended fertilizer levels were factorially combined and laid out in a randomized complete block design (RCBD). The integral application of organic fertilizer with blended fertilizer with lime significantly affected the agronomic parameters. Grain yield, number of grains per cob, 1000-seed weights, plant height, and days to 50% tasseling were parameters most affected by the amendments. Integral application of 50% of the recommended rate of blended fertilizer and vermicompost with lime improved maize yield by 53%, while the application of NPSZnB and vermicompost individually improved maize yield by 34% and 22% over the control treatment. One tonne of vermicompost and lime could substitute 38 kg and 23 kg of blended fertilizer, respectively. In conclusion, the integrated application of NPSZnB and vermicompost with the recommended amount of lime was the best soil fertility management option. In terms of grain yield and net benefit, 4 t/ha lime, 2.5 t/ha vermicompost and 100 kg/ha blended fertilizers were recommended for optimum maize production in the Assosa area and similar agroecologies.
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Claims 7
Claim · model-written summary
Combined organic fertilizer, blended fertilizer and lime significantly affected agronomic parameters.
- Treatment
- integral application of organic fertilizer with blended fertilizer with limee0
- Outcome
- agronomic parameterse0
Not reportedTaxonComparatorDirection
Verbatim
e0“The integral application of organic fertilizer with blended fertilizer with lime significantly affected the agronomic parameters”
Claim · model-written summary
Half the recommended blended fertilizer and vermicompost rate with lime increased maize yield by 53%.
- Treatment
- 50% of the recommended rate of blended fertilizer and vermicompost with limee0
- Outcome
- maize yielde0
- Direction
- improvede0
- Value
- 53%e0
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Integral application of 50% of the recommended rate of blended fertilizer and vermicompost with lime improved maize yield by 53%”
Claim · model-written summary
NPSZnB alone increased maize yield by 34% over control.
Not reportedTaxon
Verbatim
e0“the application of NPSZnB and vermicompost individually improved maize yield by 34% and 22% over the control treatment”
Claim · model-written summary
Vermicompost alone increased maize yield by 22% over control.
- Treatment
- vermicomposte0
- Outcome
- maize yielde0
- Direction
- improvede0
- Value
- 22%e0
- Comparator
- control treatmente0
Not reportedTaxon
Verbatim
e0“the application of NPSZnB and vermicompost individually improved maize yield by 34% and 22% over the control treatment”
Claim · model-written summary
One tonne of vermicompost could substitute for 38 kg blended fertilizer.
Not reportedTaxon
Verbatim
e0“One tonne of vermicompost and lime could substitute 38 kg and 23 kg of blended fertilizer, respectively”
Claim · model-written summary
One tonne of lime could substitute for 23 kg blended fertilizer.
Not reportedTaxon
Verbatim
e0“One tonne of vermicompost and lime could substitute 38 kg and 23 kg of blended fertilizer, respectively”
Claim · model-written summary
The authors recommended 4 t/ha lime, 2.5 t/ha vermicompost and 100 kg/ha blended fertilizer for maize production.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“4 t/ha lime, 2.5 t/ha vermicompost and 100 kg/ha blended fertilizers were recommended for optimum maize production in the Assosa area”
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