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DYNA
versión impresa ISSN 0012-7353
Resumen
GONZALEZ-BETANCOURT, Mauricio; ALONSO-FERNANDEZ, Ana Milena y MAYORGA-RUIZ, Zaira Liceth. Incidence of the mechanized sowing speed in irrigated rice. Dyna rev.fac.nac.minas [online]. 2017, vol.84, n.203, pp.101-109. ISSN 0012-7353. https://doi.org/10.15446/dyna.v84n203.63755.
This paper presents some experimental results to determine the incidence of mechanized sowing speed in the development and growth of rice in El Espinal-Tolima. Using a completely randomized design and a seed density of 104.5 ± 3.3 kg/ha, plots were sown in three replicates at 3.31 ± 0.05 km/h, 5.13 ± 0.18 Km/h, and 6.98 ± 0.24 km/h. Plant population, plant weight, dry matter, moisture content, and yield showed statistically significant differences with respect to sowing speed. This research found that the sowing speed has a proportional relationship with: a) the percentage of plants grouped in their roots, b) the number of non-productive tillers, c) the fuel consumed rate, d) uncovered seed, e) effective field capacity. The sowing speed of 5.13 ± 0.18 km/h was achieved by plants with a higher number of panicles per m2 and yield: this is optimal.
Palabras clave : Sowing speed; irrigated rice; rice profitability.