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Ciencia e investigación agraria

versão On-line ISSN 0718-1620

Resumo

SILVA, Shirlenne F et al. Agronomic characteristics and chemical composition of Gliricidia sepium grown under different residual heights in different seasons. Cienc. Inv. Agr. [online]. 2017, vol.44, n.1, pp.35-42. ISSN 0718-1620.  http://dx.doi.org/10.7764/rcia.v44i1.1579.

This research was conducted to evaluate the agronomic characteristics and chemical composition of Gliricidia sepium (Jacq.) Steud grown under different residual heights in different seasons. The experimental design used was a complete randomized block in a split-plot. The plots consisted of three residual heights (70, 90 and 110 cm), and the subplots were four seasons (fall, winter, spring and summer) with four replicates. There was no (P>0.05) interaction between season and residual heights for agronomic characteristics. However, these features were influenced by the cutting season, with no significant effect (P>0.05) on residual height. Significant effects (P<0.05) were observed for dry matter, mineral matter, acid detergent fiber and ether extract in cutting seasons and residual height. Gliricidia sepium can be cut at a residual height of 70 cm, with better agronomic characteristics and chemical composition occurring in the fall.

Palavras-chave : Cutting management; harvest time; legumes; nutritional value; semiarid.

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