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  <titleInfo>
    <title>Microbial fertilizer from PK rocks  on lettuce nutrients and soil  attributes in consecutive crops</title>
  </titleInfo>
  <name type="personal">
    <namePart>Oliveira, Wagner da Silva</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Stamford, Newton Pereira</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Silva, Emmanuella Vila Nova da</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Arnaud, Thatiana Stamford</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Izquierdo, Carlos Garcia</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Hernández, Teresa</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <typeOfResource>text</typeOfResource>
  <genre authority="marc">periodical</genre>
  <genre authority="marc">abstract or summary</genre>
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    <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
  </language>
  <abstract>

Abstract – The objective of this work was to evaluate the effect of a microbial 
fertilizer, produced from phosphate and potassic rocks and earthworm compost, 
as an alternative to conventional fertilizers, on lettuce (Lactuca sativa) 
nutrients and soil attributes. The experiment was conducted in consecutive 
cycles (30 and 60 days) in a soil from the Lorca region, in the municipality of 
Murcia, Spain. The fertilization treatments were: conventional fertilizer, 100% 
of the recommended rate (RR); microbial fertilizer, 50% of the RR (5 Mg ha-1); 
microbial fertilizer, 100% of the RR (10 Mg ha-1); microbial fertilizer, 150% 
of the RR (15 Mg ha-1); and control, without N-P2O5-K2O fertilization. The 
microbial fertilizers applied at 100 and 150% of the RR showed significant 
and positive effects, as well as the best results for plant characteristics. The 
microbial fertilizer increased total N and available P and K compared with the 
conventional fertilizer. A residual effect was observed in the successive cycle. 
The effectiveness of the microbial fertilizer shows it is a viable alternative to 
conventional fertilizers, with positive effects on plant productivity and soil 
attributes.


Index terms: Lactuca sativa, agromineral, organic fertilizer, residual effect.</abstract>
  <abstract>

Resumo – O objetivo deste trabalho foi avaliar o efeito de fertilizante 
microbiano, produzido a partir de rochas fosfática e potássica e vermicomposto 
de minhoca, como alternativa a fertilizantes convencionais, sobre os 
nutrientes da alface (Lactuca sativa) e os atributos do solo. O experimento foi 
conduzido em cultivos consecutivos (30 e 60 dias) em solo da região de Lorca, 
no município de Múrcia, Espanha. Os tratamentos com fertilização foram: 
fertilizante convencional, 100% da dose recomendada (DR); fertilizante 
microbiano, 50% da DR (5 Mg ha-1); fertilizante microbiano, 100% da DR 
(10 Mg ha-1); fertilizante microbiano, 150% da DR (15 Mg ha-1); e controle, 
sem fertilização com N-P2O5-K2O. Os fertilizantes microbianos aplicados 
a 100 e 150% da DR apresentaram efeito significativo e positivo, além de 
os melhores resultados quanto às características das plantas. O fertilizante 
microbiano aumentou o N total e o P e K disponíveis comparado ao fertilizante 
convencional. Observou-se efeito residual no ciclo sucessivo. A efetividade 
do fertilizante microbiano mostra que é alternativa viável a fertilizantes 
convencionais, com efeitos positivos sobre a produtividade das plantas e os 
atributos do solo.


Termos para indexação: Lactuca sativa, agromineral, fertilizante orgânico, 
efeito residual.</abstract>
  <note>
Publicação on-line; 29 ref.; 2 illus.; 2 tables; Summaries (En, Pt)

</note>
  <subject>
    <topic>ALFACE</topic>
  </subject>
  <subject>
    <topic>AGROMINERAL</topic>
  </subject>
  <subject>
    <topic>ADUBO ORGÂNICO</topic>
  </subject>
  <subject>
    <topic>INOCULAÇÃO</topic>
  </subject>
  <subject>
    <topic>FERTILIDADE DO SOLO</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Pesquisa Agropecuária Brasileira (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Brasília-DF Empresa Brasileira de Pesquisa Agropecuária - EMBRAPA 1966-</publisher>
    </originInfo>
    <identifier>2023-436357</identifier>
    <identifier type="issn">0100-204X</identifier>
    <identifier type="local">BR2024000317</identifier>
    <part>
      <text>v. 56 p. 1-9; (2021)</text>
    </part>
  </relatedItem>
  <identifier type="uri">https://www.scielo.br/j/pab/a/TpnXdLFfgVW5CqVSP99PvYn/?format=pdf&amp;lang=en</identifier>
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    <url>https://www.scielo.br/j/pab/a/TpnXdLFfgVW5CqVSP99PvYn/?format=pdf&amp;lang=en</url>
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    <recordContentSource authority="marcorg">BR-BrBNA</recordContentSource>
    <recordCreationDate encoding="marc">240416</recordCreationDate>
    <recordChangeDate encoding="iso8601">20240416153055.0</recordChangeDate>
    <languageOfCataloging>
      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
    </languageOfCataloging>
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