Humic substances and its distribution in coffee crop under cover crops and weed control methods

Autor: Bruno Henrique Martins, Cezar Francisco Araujo-Junior, Mario Miyazawa, Karen Mayara Vieira

Publikováno v: Scientia Agricola, Vol 73, Iss 4, Pp 371-378 (2016)

ABSTRACT Humic substances (HS) comprise the passive element in soil organic matter (SOM), and represent one of the soil carbon pools which may be altered by different cover crops and weed control methods. This study aimed to assess HS distribution an

Externí odkaz: https://doaj.org/article/6335bf64a6a54133b49ad742ee0b8796

Relationship between the mass of organic matter and carbon in soil

Autor: Silmara R. Bianchi, Mario Miyazawa, Edson L. de Oliveira, Marcos Antonio Pavan

Publikováno v: Brazilian Archives of Biology and Technology, Vol 51, Iss 2, Pp 263-269 (2008)

The quantity of soil organic matter (SOM) was estimated through the determination of soil organic carbon (SOC) times a factor, which assumes that 58% of the SOM was formed by carbon. A number of soil samples with wide range of SOC content collected i

Externí odkaz: https://doaj.org/article/56366ee6499a452cbccf751e63f26071

Dinâmica de íons em solo ácido lixiviado com extratos de resíduos de adubos verdes e soluções puras de ácidos orgânicos Dynamic of ions in acid soil leached with green manure residues extracts and pure solutions of organic acids

Autor: Júlio Cezar Franchini, Mario Miyazawa, Marcos Antonio Pavan, Euripedes Malavolta

Publikováno v: Pesquisa Agropecuária Brasileira, Vol 34, Iss 12, Pp 2267-2276 (1999)

A influência da aplicação de resíduos vegetais na dinâmica de íons em solos ácidos é pouco conhecida. Neste estudo, a mobilidade de íons em amostra do horizonte Bw de um Latossolo Vermelho-Escuro álico lixiviado com soluções puras de áci

Externí odkaz: https://doaj.org/article/38999ac134a5488b97c251b0b78f25e7

Formas orgânicas e inorgânicas de mobilização do cálcio no solo

Autor: Cláudio M. Ziglio, Mario Miyazawa, Marcos A. Pavan

Publikováno v: Brazilian Archives of Biology and Technology, Vol 42, Iss 2, p 0 (1999)

A falta de Ca e a presença de Al na subsuperfície do solo restringem o crescimento das raízes. A eficiência da calagem aplicada na superfície do solo na neutralização da acidez subsuperficial é limitada. Foram conduzidos experimentos de labor

Externí odkaz: https://doaj.org/article/2270e4f020484cdcbfd88b8580c05ef0

Humic substances and its distribution in coffee crop under cover crops and weed control methods

Autor: Cezar Francisco Araujo-Junior, Karen Mayara Vieira, Bruno Henrique Martins, Mario Miyazawa

Publikováno v: Scientia Agricola v.73 n.4 2016
Scientia Agrícola
Universidade de São Paulo (USP)
instacron:USP
Scientia Agricola, Volume: 73, Issue: 4, Pages: 371-378, Published: AUG 2016
Scientia Agricola, Vol 73, Iss 4, Pp 371-378 (2016)

Humic substances (HS) comprise the passive element in soil organic matter (SOM), and represent one of the soil carbon pools which may be altered by different cover crops and weed control methods. This study aimed to assess HS distribution and charact

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c395674bd1babf457fd4ca9465bd732f
https://doi.org/10.1590/0103-9016-2015-0214