Results 11 to 20 of about 16,072 (233)
Interlaboratory Validation of the Mehlich 3 Method as a Universal Extractant for Plant Nutrients [PDF]
Abstract The Mehlich 3 (M3) method is widely used to extract plant-available phosphorus from soil over a wide range of pH values. The method is also used by many laboratories to determine multiple plant-available nutrients simultaneously.
Jackie L, Schroder +3 more
openaire +2 more sources
Disponibilidade de zinco para mudas de eucalipto em solos de Cerrado
No Brasil, com a expansão da silvicultura clonal, o plantio de materiais genéticos mais produtivos e exigentes nutricionalmente tem aumentado o aparecimento de sintomas de deficiência de micronutrientes, principalmente de B, e, mais recentemente, de Cu e
Fernando Antonio Vieira Rodrigues +4 more
doaj +1 more source
In studies on the evaluation of methodologies for the analysis of soil, phosphorus (P) has been the single most studied aspect, due to the complexity of this dynamic element in soil.
Jucenei Fernando Frandoloso +4 more
doaj +1 more source
EXTRACTION METHODS AND POTASSIUM AVAILABILITY FOR SOYBEAN IN THE PARANA STATE’S SOILS, BRAZIL
Evaluating the potassium (K) availability to the plants can be performed by different methods. In general, multielement methods are employed and they are used for K due to increase operational of soil testing laboratory. The efficacy of ammonium acetate,
Fábio Steiner +4 more
doaj +1 more source
Com o objetivo de avaliar a eficiência de três extratores de P em dois latossolos (LEa e LRa) do Mato Grosso do Sul, foi conduzido um experimento em casa de vegetação, com três fontes de P (superfosfato triplo, fosfatos naturais de Araxá e de Gafsa), em ...
William Marra Silva +5 more
doaj +1 more source
Interlaboratory Validation of the Mehlich 3 Method for Extraction of Plant-Available Phosphorus [PDF]
Abstract The Mehlich 3 (M3) method is widely used for extraction of plant-available phosphorus (P) from soil over a wide range of pH values. The method is also used by many laboratories to determine multiple plant-available nutrients simultaneously.
Hailin, Zhang +4 more
openaire +2 more sources
Assessment of micronutrient extractants from soils of Paraná, Brazil
In Brazil, plant-available micronutrients in the soil can be determined by several chemical extractants, the most common of which are dilute acid and chelating solutions. The purpose of this study was to assess the extractants 0.1 mol L-1 HCl, Mehlich-1,
Marcos Vinicius Mansano Sarto +2 more
doaj +1 more source
A disponibilidade de potássio (K) às plantas depende dos teores das formas de K nos solos (K não trocável, K trocável e K solúvel), os quais variam com o grau de desenvolvimento pedogenético dos solos.
Jailma dos Santos de Medeiros +4 more
doaj +1 more source
Na execução de uma análise química de solo são empregados diversos procedimentos que, mesmo seguindo-se o protocolo preconizado pelo método de análise utilizado, estão sujeitos a variações nos resultados analíticos, causadas por manipulação das amostras ...
Lenio da Silva Santos +3 more
doaj +1 more source
Mehlich-1 soil extract is currently used in Rio Grande do Sul (RS) and Santa Catarina (SC) States, in Brazil, to evaluate soil phosphorus available to plants and Mehlich-1 is sensitive to soil buffering capacity.
Douglas Antonio Rogeri +3 more
doaj +1 more source

