Soil chemical properties, growth and production of sunflower under fertilization with biochar and NPK
Open accessAbstract
The use of biomass can contribute to improve the soil properties.The objective of this study was to evaluate the effect of fertilization with poultry litter biochar in combination with mineral fertilizer on soil chemical attributes, growth and yield components of sunflower.For this purpose, a greenhouse experiment was carried out in pots with a capacity of 20 dm 3 under randomized design, with treatments arranged in a factorial 5 × 4 design with four replicates.The treatments consisted of five doses of mineral fertilizer (0, 25, 50, 75 and 100% fertilization recommendation) with NPK (100, 300, and 150 mg kg -1 ) and four doses of biochar of poultry litter, 0; 5% (400 g/pot); 10% (800 g/pot) and 15% (1,100 g/pot) calculated based on the volume of the soil.The results showed that fertilization with poultry litter biochar of 400 g/pot, increased soil salinity of the experimental units.Besides, there was a reduction in the number of leaves (NL), plant height (PH), stem diameter (SD) and number of achenes for each head (NAH).Fertilization with 50% of NPK recommendation (50:150:75 mg kg -1 ) produced the highest growth and yield components of sunflower, compared with other NPK treatments.The combination from 50:150:75 mg kg -1 (50%) of NPK fertilization and 1,100 g/pot of poultry litter biochar promoted larger head diameter (HD) of sunflower.
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Addition of 10% (w/w) poultry litter biochar decreased the number of leaves, plant height, stem diameter and number of achenes for each head of sunflower (Helianthus annuus L.) plants.
“In contrast, addition of 10% (w/w) poultry litter biochar decreased the number of leaves, plant height, stem diameter and number of achenes for each head of sunflower (Helianthus annuus L.) plants (Furtado et al., 2016), while biochar (corn cob biochar produced at 450 °C by slow pyrolysis technique) applied at 20 t ha -1 did not significantly improve growth of Soybean (Glycine max L.) on a sandy”
From Biochar implications for sustainable agriculture and environment: A review (2019) · cites this paper as Furtado et al., 2016
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Biochar implications for sustainable agriculture and environment: A review
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- Authors
- Universidade Federal de Campina Grande, D. D. E. A., Furtado, G. D. F., Chaves, L. H. G., Universidade Federal de Campina Grande, D. D. E. A., de Sousa, J. R. M., Universidade Federal de Campina Grande, D. D. E. A., Arriel, N. H. C., Embrapa Algodão, R. O. C., Xavier, D. A., Universidade Federal de Campina Grande, D. D. E. A., de Lima, G. S., & Universidade Federal de Campina Grande, D. D. E. A.
- Affiliations
- Universidade Federal de Campina Grande (BR)
- Venue
- Australian Journal of Crop Science
- Publisher
- Southern Cross Publishing
- Published
- 2016-03-20
- Volume
- 10
- Issue
- 3
- Pages
- 418-424
- ISSN
- 1835-2693 (ISSN-L)
- 1835-2707
- OpenAlex
- W2343857370
- Cited by
- 19
- References
- 22
- Citations by year
- 2026: 3 · 2025: 2 · 2024: 3 · 2023: 3 · 2022: 2 · 2021: 3 · 2019: 2 · 2018: 1
- FWCI
- 1.17
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Australian Journal of Crop Science (publishedVersion)
- Americanae (AECID Library) (submittedVersion, other-oa)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by-nc-nd)
- Funders
- Universidade Estadual de Campinas
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Sunflower and Safflower Cultivation
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Agricultural Science and Fertilization
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Plant Growth and Agriculture Techniques
- Keywords
- sunflower, biochar, poultry litter, NPK fertilizer, soil chemical properties, soil salinity, plant growth, yield components, head diameter, mineral fertilizer reduction
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