Effect of defoliation frequencies on the dry matter yield and nutrient content of two Centrosema species

Effect of defoliation frequencies on the dry matter yield and nutrient content of two Centrosema species

A trial was conducted to study the effect of three defoliation frequencies, at F1=4, F2=6 and F3=8 ¿ wk intervals, on dry matter yield (DMY), crude protein (CP) and mineral composition of Centrosema macrocarpum (Cm) and Centrosema pubescens (Cp). A split-plot experimental design with species (main p...

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Veröffentlicht in:Archivos latinoamericanos de producción animal 2005, Vol.13 (1), p.13-18
Hauptverfasser: E. Morillo, David, Chirinos, Zuleima, Faria-Marmol, Jesus
Format: Artikel
Sprache:spa
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Zusammenfassung:A trial was conducted to study the effect of three defoliation frequencies, at F1=4, F2=6 and F3=8 ¿ wk intervals, on dry matter yield (DMY), crude protein (CP) and mineral composition of Centrosema macrocarpum (Cm) and Centrosema pubescens (Cp). A split-plot experimental design with species (main plots), defoliation frequencies (subplots) and three replications was used. Samples for each defoliation frequency, corresponding to rainy (RS) and dry periods (DS), were analyzed for CP and calcium (Ca), phosphorus (P), magnesium (Mg), potassium (K), copper (Cu), iron (Fe), and manganese (Mn) concentrations. DMY of Cm (4.4 t ha-1year-1) was higher (P
ISSN:1022-1301