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DYNA
Print version ISSN 0012-7353
Abstract
DAZA-TORRES, Martha Constanza; LADINO-TABARQUINO, Greydy Selene and URRUTIA-COBO, Norberto. Agronomic and environmental benefits of nitrogen fertilizers sources in Ocimum basilicum L. Dyna rev.fac.nac.minas [online]. 2018, vol.85, n.206, pp.294-303. ISSN 0012-7353. https://doi.org/10.15446/dyna.v85n206.69103.
This work evaluated slow release fertilizers in basil cultivated in soil of Valle del Cauca (Colombia). A completely random design was established with 14 treatments in lysimeters and two fast liberation fertilizers (calcium nitrate and ammonium sulphate), urea coated with sulphur and two organic fertilizers (vermicompost and chicken manure) in different doses (100, 150 y 200 kg ha-1) were evaluated. At 96 days, measurements of nitrogen leached, dry mass, foliar nitrogen, pH, electric conductivity and soil organic matter were determined. In addition, apparent efficiency of recovery, internal efficiency of use and efficient use of water were calculated. The organic fertilizer caused changes in porosity, producing nitrogen leaching. The fast liberation fertilizers obtained better performance of percentage of dry mass, foliar nitrogen and efficiency of recovery, while slow release fertilizers did so in soil properties, internal efficiency of use and efficient use of water.
Keywords : nitrate leaching; organic fertilizer; efficiency; water productivity; basil.