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Response of soyabeans to potassium fertilizer and availability of potassium in a dystrophic red Latosol

Borkert, C.M.; Farias, J.R.B.; Sfredo, G.J.; Tutida, F.; Spoladori, C.L.

Pesquisa Agropecuaria Brasileira 32(12): 1235-1249

1997

ISSN/ISBN: 0100-204X
Accession: 003259563
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In field trials in 1983-92 on a dystrophic red Latosol in Maua da Serra, Parana, Brazil, soyabeans were given 0, 40, 80, 120, 160 or 200 kg K2O/ha annually for the first 5 years and no K for the following 5 years. It was concluded that Latosols, with low K availability, could not cultivated without corrective and maintenance applications of K fertilizer.

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Related References

Borkert, C.M.; Sfredo, G.J.; Farias, J.R.B.; Tutida, F.; Spoladori, C.L. 1997: Response of soyabeans to potassium fertilizer and potassium availability in a eutrophic red Latosol Pesquisa Agropecuaria Brasileira 32(10): 1009-1022
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