Phosphorus extractors in soil under no-tillage system with 19 years of swine manure applications

The objective of this study was to evaluate the availability of phosphorus (P) in a soil under no-tillage system after successive applications of liquid swine manure (LSM) doses in soil samples collected at different depths and to select the most appropriate chemical extractors. It was used soil wit...

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Bibliographic Details
Published in:	Heliyon Vol. 10; no. 1; p. e23598
Main Authors:	Silva, Rodrigo Gomes, Menezes, June Faria Scherrer, Berti, Mariana Pina da Silva, Oliveira, Augusto Matias de, Mosconi Neto, Ivan, Menezes, Carlos César Evangelista de, Silva, Givanildo Zildo da
Format:	Journal Article
Language:	English
Published:	England Elsevier Ltd 15-01-2024 Elsevier
Subjects:	Extraction methods Long-term organic fertilization Organic phosphorus Long-term organic fertilization Organic phosphorus Extraction methods
Online Access:	Get full text
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Summary:	The objective of this study was to evaluate the availability of phosphorus (P) in a soil under no-tillage system after successive applications of liquid swine manure (LSM) doses in soil samples collected at different depths and to select the most appropriate chemical extractors. It was used soil with LSM applications for 19 years, using doses of 0, 25, 50, 75 and 100 m3 ha−1 and mineral fertilization (350 kg ha−1 in formulation 02-20-18), evaluated at the following depths: 0–10, 10–20 and 20–40 cm. The extractors used were Mehlich-1, Mehlich-3, Prem, Olsen, Bray-1 and Resin. Successive fertilizations with LSM, especially with 100 m3 ha−1, increase the availability of P, especially in the 0–10 cm layer, as well adding P in the deeper layers evaluated (20–40 cm). The organic P content in relation to the total P ranged from 16 to 19 %. Bray-1, Olsen and Resin extractors are more efficient in extracting P in soil under no-tillage cultivation after successive fertilizations with liquid swine manure.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	2405-8440 2405-8440
DOI:	10.1016/j.heliyon.2023.e23598