2007
DOI: 10.1590/s0103-90162007000200010
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Abstract: Soil organic matter accumulation provides benefits to soil productivity and reduces atmospheric carbon concentration. However, little is known about the accumulation of C and N by sandy soils under perennial irrigated crops in semiarid regions. The objective of this study was to evaluate the effect of irrigated fruit orchard cultivation on the stocks of soil organic carbon (SOC) and total nitrogen (N) of an Arenosol/Quartzpsament from Paraipaba-CE, Semiarid Brazil. Soil samples were taken from irrigated orchar… Show more

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Cited by 15 publications
(8 citation statements)
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“…The average soil BD values increased with increasing depth (Table 2) supporting Coutinho et al (2010), who observed that the forest, grassland and eucalyptus plantations systems increased values of soil bulk density from the soil surface up to a depth of 60 cm. The lowest Ds value of topsoil occurred due to increased input of organic matter in this layer compared with the other subsurface corroborating Bernardi et al (2007), who found in the environment Caatinga, increased values of bulk density with increasing depth.…”
Section: Resultssupporting
confidence: 87%
See 1 more Smart Citation
“…The average soil BD values increased with increasing depth (Table 2) supporting Coutinho et al (2010), who observed that the forest, grassland and eucalyptus plantations systems increased values of soil bulk density from the soil surface up to a depth of 60 cm. The lowest Ds value of topsoil occurred due to increased input of organic matter in this layer compared with the other subsurface corroborating Bernardi et al (2007), who found in the environment Caatinga, increased values of bulk density with increasing depth.…”
Section: Resultssupporting
confidence: 87%
“…Mean values of N decreased with increasing depth; similar results were found by Bernardi et al (2007) in Piraipaba, CE, which found nitrogen values 0.77, 0.33 and 0.30 g kg -1 in Caatinga environment in the depths 0 to 10, 10 to 20 and 20 to 40 cm, respectively.…”
Section: Resultssupporting
confidence: 85%
“…In a study undertaken in the municipality of Paraipaba, CE, Brazil, in an area of hypoxerophytic schrubland (Caatinga hipoxerófila) with banana, cashew, guava, mango, soursop, and sapodilla, Bernardi et al (2007) observed that the change from caatinga (xeric shrubland) to different types of use changed the organic carbon (OC) stocks. After six years of cultivation, the soils under guava, banana, cashew, and mango showed declines of 12-24 % in OC stocks in the layer from 0-40 cm when compared to caatinga.…”
Section: Growing Of Mango (Mangifera Indica) Under Irrigated Conditiomentioning
confidence: 99%
“…The soils under soursop and sapotilla showed a 5 and 9 % decline in the OC stock in relation to caatinga. Soil tillage leads to degradation of organic matter and causes losses in OC, in spite of the annual deposit of organic residues from the fruit orchards (Bernardi et al, 2007). Evaluating the impact of banana and citrus orchards in relation to native vegetation (remaining from the Atlantic Forest) in the Plateau of Neópolis, Sergipe, Brazil, Guimarães et al, (2014) observed that an irrigated banana plantation resulted in a 14 % increase in the OC content in the and higher c stocks in the heavy and light sOM fraction in comparison to native caatinga, especially in the uppermost soil layer.…”
Section: Growing Of Mango (Mangifera Indica) Under Irrigated Conditiomentioning
confidence: 99%
“…Guareschi, Pereira, and Perin (2014) observed that the NTS gradually increased SOM content and is considered an alternative practice capable of reversing soil degradation. Improved farming practices have a high potential for increasing SOM stocks in cropped soils (Bernardi et al, 2007). This increase in SOM is the result of reduced soil disturbance, which reduces the SOM decomposition rate and allows it to accumulate (Green, Stott, Cruz, & Curi, 2007;Resck, Vasconcellos, Vilela, & Macedo, 2000), as well as being due to the presence of more roots in the soil (Poirier, Roumet, & Munson, 2018).…”
Section: Discussionmentioning
confidence: 99%