2002
DOI: 10.1016/s0378-1127(01)00537-0
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Conversion of secondary forest into agroforestry and monoculture plantations in Amazonia: consequences for biomass, litter and soil carbon stocks after 7 years

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Cited by 222 publications
(126 citation statements)
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“…Switching from tree-based system, e.g. silvopasture to conventional arable land is expected reduction in soil C stocks due to the disturbances in soil aggregation promoted by intensive soil management (Haile et al 2008;Post and Kwon 2000;Schroth et al 2002). We observed that after 50 years of continuous arable land, soil TOC and TN stocks were 21 and 10% lower than under SP in the 0-20 cm depth interval, respectively.…”
Section: Discussionmentioning
confidence: 75%
See 1 more Smart Citation
“…Switching from tree-based system, e.g. silvopasture to conventional arable land is expected reduction in soil C stocks due to the disturbances in soil aggregation promoted by intensive soil management (Haile et al 2008;Post and Kwon 2000;Schroth et al 2002). We observed that after 50 years of continuous arable land, soil TOC and TN stocks were 21 and 10% lower than under SP in the 0-20 cm depth interval, respectively.…”
Section: Discussionmentioning
confidence: 75%
“…When forest or silvopastoral systems are converted to arable lands is expected an effective decrease in soil carbon stocks (Apezteguía et al 2009; Haile et al 2008;Schroth et al 2002). This can be attributed to reduced inputs of organic matter, increase of decomposability of crop residues, and tillage effects that break-up aggregates and exposes organo-mineral surfaces (Post and Kwon 2000).…”
Section: Introductionmentioning
confidence: 99%
“…Outro aspecto importante é a profundidade de alcance do sistema radicular, pois se ele for profundo, há possibilidade de absorção de água e nutrientes em locais onde os cultivos agrícolas não exploram (Jackson et al, 1995). Caso o componente arbóreo apresente sistema radicular superficial, a área sob as árvores, além de sombreadas, apresentarão baixa disponibilidade de água (Schroth et al, 2002). Dessa forma, as agroflorestas podem influenciar de forma positiva ou negativa os cultivos agrícolas, dependendo das características morfológicas e fisiológicas das espécies associadas.…”
Section: Introductionunclassified
“…Esses sistemas proporcionam maior cobertura do solo, favorecem a preservação da fauna e da flora, promovem a ciclagem de nutrientes a partir da ação de sistemas radiculares diversos e propiciam um contínuo aporte de matéria orgânica (BREMAN e KESSLER, 1997;ARAÚJO et al, 2001;SÁNCHEZ, 2001;SCHROTH et al, 2002). Possibilitam, ainda, maior diversidade de produtos a serem explorados, o que alivia a sazonalidade, fenômeno comum no setor agropecuário (IZAC e SANCHEZ, 2001).…”
Section: Introductionunclassified