2020
DOI: 10.1590/0034-737x202067010004
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Abstract: Effects of limestone and organic fertilizer on cassava yield and on chemical and physical soil properties Cassava has a high yield potential that can be achieved with adequate liming and fertilization of the soil. The objective of this study was to evaluate the effect of organic fertilizer application, in association or not with liming, on yield and morphological characteristics of cassava roots and on chemical and physical properties of the soil. The experiment was arranged in the split plot design. The plots… Show more

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Cited by 7 publications
(5 citation statements)
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“…(2) Sand (g kg -1 ); Silt (g kg -1 ); Clay (g kg -1 ); pH -Hydrogen potential in water; EC -Electrical conductivity of saturation extract (dS m -1 ); P -Phosphorus (mg dm -3 ); K -Potassium (cmol c dm -1 ); Ca -Calcium (cmol c dm -1 ); Mg -Magnesium (cmol c dm -1 ); Na -Sodium (cmol c dm -1 ); SB -Sum of bases (cmol c dm -1 ); Al -Aluminum (cmol c dm -1 ); H + Al -Potential acidity (cmol c dm -1 ); CEC -Cation exchange capacity (cmol c dm -1 ); V -Base saturation (%); OM -Organic matter (g kg -1 ); Cu -Copper (mg dm -3 ); Fe -Iron (mg dm -3 ); Zn -Zinc (mg dm -3 ); and Mn -Manganese (mg dm -3 ); * -Sandy clay loam texture; ** -Sandy clay texture; *** -Sandy loam texture Table 2. Particle-size analysis, chemical attributes and micronutrient concentrations of soils of 15 areas cultivated with cassava including in a transition area between Entisols and Ultisols (Rós et al, 2020).…”
Section: Resultsmentioning
confidence: 99%
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“…(2) Sand (g kg -1 ); Silt (g kg -1 ); Clay (g kg -1 ); pH -Hydrogen potential in water; EC -Electrical conductivity of saturation extract (dS m -1 ); P -Phosphorus (mg dm -3 ); K -Potassium (cmol c dm -1 ); Ca -Calcium (cmol c dm -1 ); Mg -Magnesium (cmol c dm -1 ); Na -Sodium (cmol c dm -1 ); SB -Sum of bases (cmol c dm -1 ); Al -Aluminum (cmol c dm -1 ); H + Al -Potential acidity (cmol c dm -1 ); CEC -Cation exchange capacity (cmol c dm -1 ); V -Base saturation (%); OM -Organic matter (g kg -1 ); Cu -Copper (mg dm -3 ); Fe -Iron (mg dm -3 ); Zn -Zinc (mg dm -3 ); and Mn -Manganese (mg dm -3 ); * -Sandy clay loam texture; ** -Sandy clay texture; *** -Sandy loam texture Table 2. Particle-size analysis, chemical attributes and micronutrient concentrations of soils of 15 areas cultivated with cassava including in a transition area between Entisols and Ultisols (Rós et al, 2020).…”
Section: Resultsmentioning
confidence: 99%
“…The deficiency of these nutrients can cause reduced growth of roots and aerial part and chlorosis (Howeler, 2002). According to Rós et al (2020), the application of the limestone dose of 2.5 t ha -1 increased the pH from 4.86 to 5.46, Ca, Mg, sum of bases, and base saturation of the soil, but did not increase the productivity of cassava cultivar IAC 576-70.…”
Section: Resultsmentioning
confidence: 99%
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“…The maximum storage root yield was achieved when the pH was 4.9 and BS was 49.8% (Figure 2), which is consistent with the Brazilian recommendation of liming to increase BS to 50% (Lorenzi et al., 1997; Nogueira & Gomes, 1999). Some Brazilian studies indicate that cassava does not respond positively to liming in slightly acidic soils [pH (CaCl 2 ) = 4.5–4.8 and BS = 25–47%] (Fidalski, 1999; Rós et al., 2020). However, our results showed that in soil with high acidity and low BS [pH (CaCl 2 ) = 4.2 and BS = 11.8], it is necessary to apply 3.0 Mg ha –1 lime to achieve maximum cassava root yield.…”
Section: Discussionmentioning
confidence: 99%
“…Gross return (FCFA ha www.nature.com/scientificreports/ application of TB and PM, but decreased with inorganic fertilizer. The reduction of pH in plots amended with inorganic fertilizer would certainly be due to the acidifying nature of the fertilizers used 29 . The ability of organic manures to increase soil pH was studied by Duruigbo et al 30 who related it to the presence of base cations contained in these organic manures.…”
Section: Treatment Codementioning
confidence: 99%