2011
DOI: 10.1590/s0034-737x2011000600021
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Abstract: Physical attributes of soil fertilized with sewage sludge and with calcium and magnesium silicatesThis study aimed to evaluate the effect of sewage sludge and calcium and magnesium silicate on the physical attributes of a Cambisol cultivated with sunflower. The treatments were arranged in a factorial (4 x 2) + 1, corresponding to four doses of sewage sludge (0, 6.25, 12.5 and 18.5 t ha -1 , in dry basis), two doses of calcium and magnesium silicate (0 and 240 g m -1 ) and an additional treatment with chemical … Show more

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Cited by 7 publications
(7 citation statements)
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“…The average OM of the SS plot (38.64 g kg -1 ) was 10% higher than that of the WS plot (35.11 g kg -1 ). Such results are in accordance with those obtained by [23], who found that the application of sewage sludge allowed an increase in the levels of soil organic matter, thus increasing its potential for the development of agricultural crops.…”
Section: Resultssupporting
confidence: 92%
“…The average OM of the SS plot (38.64 g kg -1 ) was 10% higher than that of the WS plot (35.11 g kg -1 ). Such results are in accordance with those obtained by [23], who found that the application of sewage sludge allowed an increase in the levels of soil organic matter, thus increasing its potential for the development of agricultural crops.…”
Section: Resultssupporting
confidence: 92%
“…Data from this study differ from Prado & Centarion (2001) and Camilotti et al (2010), who found DF around 20-50% in Red Oxisol, but the decrease in the degree of flocculation in depth was also confirmed in these same studies. Maio et al (2011), while studying the effect of fertilization and sewage sludge verified a similar effect to this study, and the organic matter source positively influenced only the degree of flocculation, with the other studied soil physical properties not influenced. DF indicates the degree of stability of soil aggregates, in which values closer to 100% indicate a greater stability.…”
Section: Between Treatments and Soil Layerssupporting
confidence: 83%
“…Given that the density of the soil is obtained by its weightvolume relation, that is, volume occupied by the particles of the soil in a certain volume; it depends on the structure and management of the area, allowing variations for the same soil type (Bonini & Alves, 2012). Data from this study are above of what is considered ideal (Bonini et al, 2015;Rienzi et al, 2016), hindering the plants .development due to its lower aeration, and is accordance with Maio et al (2011), who studying some soil properties verified the influence of treatments only on the degree of flocculation, the other soil characteristics not being influenced positively or negatively. These results indicate that legume treatments are not yet contributing to improve soil physical quality, but have already improved the soil organic matter content, which is of utmost importance for its structure recovery.…”
Section: /6mentioning
confidence: 62%
“…Os silicatos de modo geral podem melhorar o desenvolvimento das plantas, o que indiretamente influencia as condições físicas do solo, além de comportar-se de maneira similar aos carbonatos no solo, sendo capazes de elevar o pH, neutralizando o Al trocável e outros elementos tóxicos (Maio et al, 2011). …”
Section: ----------------G Planta -1 ----------------------Cm 2 -------unclassified