• Nenhum resultado encontrado

Phosphorus transformations as a function of pedogenesis: A synthesis of soil phosphorus data using Hedley fractionation method

N/A
N/A
Protected

Academic year: 2017

Share "Phosphorus transformations as a function of pedogenesis: A synthesis of soil phosphorus data using Hedley fractionation method"

Copied!
10
0
0

Texto

Imagem

Fig. 1. Distribution of data locations. Some locations contain mul- mul-tiple data entries.
Table 2. Terminology of phosphorus forms used in this study and their correspondence to the defined P fractions using Hedley method.
Fig. 3. Fractions of different soil P expressed as a percentage of to- to-tal soil P. Slightly weathered soils: Andisols, Histosols, Entisols,  In-ceptisols; Intermediately weathered soils: Aridisols, Vertisols,  Mol-lisols, Alfisols; Highly weathered soil
Table 4. Mean (SD) for Hedley-labile P in A-horizons (assumed up to 15 cm depth) of soils that typically support forests.
+2

Referências

Documentos relacionados

Desta forma, diante da importância do tema para a saúde pública, delineou-se como objetivos do es- tudo identificar, entre pessoas com hipertensão arterial, os

The reliability and accuracy of the proposed method were further ascertained through recovery studies using the standard addition method by adding different

The decrease in the Po mineralization rate in soil could possibly be due to a protection of organic phosphate compounds by adsorption on soil colloids (Cross & Schlesinger,

the purpose of this study was to recommend soil fertility levels, based on field data from willow plantations on the southern plateau of Santa catarina, using the method proposed

Abstract – The objective of this work was to determine the relative importance of phosphorus acquisition efficiency (PAE – plant P uptake per soil available P), and phosphorus

The aims of this study were to isolate the globulin fractions of Chenopodium quinoa seeds using the Dsborne Extraction Method and to determine the presence of

The objectives of this study were to determine the shelf life of traditionally produced pezik pickles by using Weibull Hazard Method and to investigate the effect of blanching

Objective: to evaluate the heterogeneity of biomedical waste (BW) using Nightingale charts.. Method: cross-sectional study consisting of data collection on wastes (direct