2001
DOI: 10.1590/s0100-204x2001000800003
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Efeito da calagem e adubação da seringueira no estado nutricional e produção de borracha seca

Abstract: Foram avaliados os efeitos da calagem e da adubação NPK no estado nutricional e na produção de borracha seca do clone RRIM 600. Utilizou-se o delineamento de blocos casualizados, com quatro repetições, em parcelas subdivididas. Nas parcelas foram testados duas testemunhas (sem adubação e sem calagem; sem adubação e com calagem), e seis tratamentos com calagem e adubação (N1P1K0, N2P2K0, N1P1K1, N2P2K1, N1P1K2 e N2P2K2). Os níveis anuais de NPK utilizados corresponderam a 40 e 80 kg ha-1 de N, 17,5 e 35,0 kg ha… Show more

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Cited by 9 publications
(3 citation statements)
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“…These results are similar to those obtained by Gonçalves et al (2001a), Virgens Filho et al (2001, and Gonçalves et al (2007) per year, even though they produced good yield under other edaphoclimatic conditions (Pereira et al, 1999;Gonçalves et al, 2001b;Silva et al, 2010). The poor results found for these clones do not prevent their use in future studies carried out in other regions.…”
Section: Resultssupporting
confidence: 85%
See 1 more Smart Citation
“…These results are similar to those obtained by Gonçalves et al (2001a), Virgens Filho et al (2001, and Gonçalves et al (2007) per year, even though they produced good yield under other edaphoclimatic conditions (Pereira et al, 1999;Gonçalves et al, 2001b;Silva et al, 2010). The poor results found for these clones do not prevent their use in future studies carried out in other regions.…”
Section: Resultssupporting
confidence: 85%
“…to obtain crown clones resistant to SALB has produced extremely positive results. The most promising clones achieved dry rubber yield above 1,000 kg ha -1 per year in the initial two years of tapping , similar to the results obtained in other rubber regions in Brazil (Gonçalves et al, 2001a;Virgens Filho et al, 2001;Gonçalves et al, 2007;Silva et al, 2010).…”
Section: Introductionsupporting
confidence: 84%
“…Conversely, the effect of fertilization on latex yield are still unclear, and this research topic has been almost ignored for the last 40 years, as most references in the literature date from the 1970s in Malaysia (Sivanadyan et al, 1972;Pushparajah, 1973;Yogaratnam and Weerasuriya 1984) or in Côte d'Ivoire (Compagnon, 1973;Du Plessix et al, 1973). Since the 1980s, the maximum reported increase in yield due to fertilization has been 26% (Onuwaje 1983) but most other reports showed no effects below 20% or no effects at all (Murbach et al, 1999;Virgens Filho et al 2001;Gohet et al 2013).…”
Section: Introductionmentioning
confidence: 99%