Humic acid-phosphate fertilizer interaction and extractable phosphorus in soils of contrasting texture
Extractable phosphorus (P) in soil depends on soil test employed, reactivity of fertilizer and interaction of P added to the soil properties, including organic matter. The aim of this paper was to assess the contents of P extracted from Red Latosol (LVd) and Quartzarenic Neosol (RQ) samples, incubat...
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| Published in | Ciência agronômica Vol. 49; no. 1; pp. 32 - 42 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English Portuguese |
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Fortaleza
Universidade Federal do Ceará, Centro de Ciências Agrárias
01.01.2018
Universidade Federal do Ceará |
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| Abstract | Extractable phosphorus (P) in soil depends on soil test employed, reactivity of fertilizer and interaction of P added to the soil properties, including organic matter. The aim of this paper was to assess the contents of P extracted from Red Latosol (LVd) and Quartzarenic Neosol (RQ) samples, incubated with 0; 5; 10; 50 or 100 mg kg-1 C-humic acid (C-HA) and 400 mg kg-1 of P, via Araxá phosphate rock (AP), Bayóvar reactive phosphate rock (BP) or single superphosphate (SS). Thus, it was adopted a five (C-HA concentrations) x three (P sources) factorial arrangement, using a randomized block design with three replications. The mixtures of soil, C-HA concentrations and P sources were incubated for 60 days; in sequence, the soil P was extracted by solutions of Bray-1, Mehlich-1 and Mehlich-3 and mixed ion exchange resin. In the LVd and RQ samples, the addition of C-HA reduced extractable phosphorus when the source was AP and BP. The levels of extractable P increased with the application of C-HA in RQ when the source was SS; the average concentration of 50 mg kg-1 C-AH provided the maximum extractable P by Bray-1, Mehlich-3 and mixed resin. The pH is the chemical attribute that most influence the extractable P content of the soil. |
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| AbstractList | Extractable phosphorus (P) in soil depends on soil test employed, reactivity of fertilizer and interaction of P added to the soil properties, including organic matter. The aim of this paper was to assess the contents of P extracted from Red Latosol (LVd) and Quartzarenic Neosol (RQ) samples, incubated with 0; 5; 10; 50 or 100 mg kg-1 C-humic acid (C-HA) and 400 mg kg-1 of P, via Araxá phosphate rock (AP), Bayóvar reactive phosphate rock (BP) or single superphosphate (SS). Thus, it was adopted a five (C-HA concentrations) x three (P sources) factorial arrangement, using a randomized block design with three replications. The mixtures of soil, C-HA concentrations and P sources were incubated for 60 days; in sequence, the soil P was extracted by solutions of Bray-1, Mehlich-1 and Mehlich-3 and mixed ion exchange resin. In the LVd and RQ samples, the addition of C-HA reduced extractable phosphorus when the source was AP and BP. The levels of extractable P increased with the application of C-HA in RQ when the source was SS; the average concentration of 50 mg kg-1 C-AH provided the maximum extractable P by Bray-1, Mehlich-3 and mixed resin. The pH is the chemical attribute that most influence the extractable P content of the soil. ABSTRACT Extractable phosphorus (P) in soil depends on soil test employed, reactivity of fertilizer and interaction of P added to the soil properties, including organic matter. The aim of this paper was to assess the contents of P extracted from Red Latosol (LVd) and Quartzarenic Neosol (RQ) samples, incubated with 0; 5; 10; 50 or 100 mg kg-1 C-humic acid (C-HA) and 400 mg kg-1 of P, via Araxá phosphate rock (AP), Bayóvar reactive phosphate rock (BP) or single superphosphate (SS). Thus, it was adopted a five (C-HA concentrations) x three (P sources) factorial arrangement, using a randomized block design with three replications. The mixtures of soil, C-HA concentrations and P sources were incubated for 60 days; in sequence, the soil P was extracted by solutions of Bray-1, Mehlich-1 and Mehlich-3 and mixed ion exchange resin. In the LVd and RQ samples, the addition of C-HA reduced extractable phosphorus when the source was AP and BP. The levels of extractable P increased with the application of C-HA in RQ when the source was SS; the average concentration of 50 mg kg-1 C-AH provided the maximum extractable P by Bray-1, Mehlich-3 and mixed resin. The pH is the chemical attribute that most influence the extractable P content of the soil. |
| Author | Rosa, Sara Dantas Silva, Carlos Alberto Maluf, Henrique José Guimarães Moreira |
| AuthorAffiliation | Universidade Federal de Lavras |
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| Keywords | Extractors of soil P Soil pH Phosphate rocks pH do solo Substâncias húmicas Fosfatos naturais Humic substances Extratores de P do solo |
| Language | English Portuguese |
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| References | FU, Z. 2013; 36 YAN, J. 2016; 42 SILVERSTEIN, R. M.; WEBSTER, F. X.; KIEMLE, D. J. 2007 SIMÕES NETO, D. E. 2009; 13 CHIEN, S. H.; PROCHNOW, L. I.; MIKKELSEN, R. 2010; 94 GUPPY, C. N. 2005; 43 GUARDADO, I.; URRUTIA, O.; GARCÍA-MINA, J. M. 2007; 55 SILVA, F. C. 2009 FERREIRA, D. F. 2014; 38 FREITAS, I. F. 2013; 37 DIAS, L. P. R. 2015; 25 PRAMANIK, P. 2009; 152 BRAGA, J. M.; DEFELIPO, B. V. 1974; 21 CORRÊA, R. M. 2008; 3 BORTOLON, L.; GIANELLO, C. 2008; 32 MINASNY, B.; HARTEMINK, A. E. 2011; 106 BRAY, R. H.; KURTZ, L. T. 1945; 59 PERASSI, I.; BORGNINO, L. 2014; 232-234 ROY, E. D. 2016; 2 GERKE, J. 2010; 175 SINGH, C. P.; AMBERGER, A. 1997; 41 GIMSING, A. L.; BORGAARD, O. K.; BANG, M. 2004; 55 URRUTIA, O. 2014; 177 STEVENSON, F. J. 1994 WANG, H. 2016; 16 YANG, S. 2013; 13 2014 SOUSA JÚNIOR, R. F. 2012; 36 VIÉGAS, R. A.; NOVAIS, R. F.; SCHULTHAIS, F. 2010; 34 NOVAIS, S. V. 2015; 39 |
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P.; AMBERGER, A. – volume: 177 start-page: 128 issue: 2 year: 2014 end-page: 136 article-title: Physico-chemical characterization of humic-metal-phosphate complexes and their potential application to the manufacture of new types of phosphate-based fertilizers publication-title: Journal of Plant Nutrition and Soil Science contributor: fullname: URRUTIA, O. – volume: 106 start-page: 52 issue: 1 year: 2011 end-page: 62 article-title: Predicting soil properties in the tropics publication-title: Earth-Science Reviews contributor: fullname: MINASNY, B.; HARTEMINK, A. E. – volume: 13 start-page: 840 year: 2009 end-page: 848 article-title: Extração de fósforo em solos cultivados com cana-de-açúcar e suas relações com a capacidade tampão publication-title: Revista Brasileira de Engenharia Agrícola e Ambiental contributor: fullname: SIMÕES NETO, D. E. |
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| SubjectTerms | Agrochemicals AGRONOMY Extratores de P do solo Fertilizers Fosfatos naturais Humic acids Ion exchange resins Organic matter Organic soils pH do solo pH effects Phosphates Phosphorus Soil mixtures Soil properties Substâncias húmicas |
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| Title | Humic acid-phosphate fertilizer interaction and extractable phosphorus in soils of contrasting texture |
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