Keywords
Liming
CALPOT
BRS133
Density of plants.
How to Cite
Abstract
A field experiment in Cambé-PR was carried out with 20 treatments arranged in split plot with 4 replications in a randomized complete block design, using the soybean cultivar BRS 133. The treatments were CALPOT (0.0 and 2.35 t.ha-1) in the main plots, source of phosphorus (STP and SSP) in sub-plot, dosages of phosphorus (40 and 60 kg of P2O5.ha-1) in the sub-sub-plots, and density of plants (9 and 18 plants m-1) in the sub-sub-sub-plots. The greatest effect was on plant population, with the highest dry matter accumulation for the density of 200.000 plants ha-1 (9 plants m-1). The basic cation equilibrium in the soil helped to maximize this effect.
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Copyright (c) 2005 Ronaldo Tsuyoshi Watanabe, Roberto Antunes Fioretto, Inês Batista da Fonseca, Adilson Luiz Seifert, Débora Cristina Santiago, Jose Eduardo Creste, Arlindo Harada, Mauro Cucolotto