Citas bibligráficas
Hinostroza, J., (2020). Concentración de plomo en Ryegrass (Lolium perenne L.) var. Nui, cultivado en un suelo contaminado de la comunidad de Pucará [Universidad Nacional Agraria La Molina]. https://hdl.handle.net/20.500.12996/4534
Hinostroza, J., Concentración de plomo en Ryegrass (Lolium perenne L.) var. Nui, cultivado en un suelo contaminado de la comunidad de Pucará []. PE: Universidad Nacional Agraria La Molina; 2020. https://hdl.handle.net/20.500.12996/4534
@misc{sunedu/3014151,
title = "Concentración de plomo en Ryegrass (Lolium perenne L.) var. Nui, cultivado en un suelo contaminado de la comunidad de Pucará",
author = "Hinostroza Rivera, Jorge Eduardo",
publisher = "Universidad Nacional Agraria La Molina",
year = "2020"
}
The objective of this work was to evaluate the response in the concentration of total Pb in contaminated soil and in ryegrass (Lolium perenne Var NUI), by effect of liming and phosphate fertilization. For this, ryegrass was cultivated in a soil contaminated with Pb, from the San Francisco de Pucará Community, located in Morococha, Yauli, Junín - Peru. The experimental work was carried out in pots installed in the open air of the Fertility Laboratory of the National Agrarian University La Molina. The treatments consisted of applying three levels of liming (0, 3 and 6 t/ha) and three doses of phosphate fertilization (0, 250 and 500 mg/kg), this was repeated in a parallel way for phosphate sources Super Triple Phosphate (SFT) and Diammonium Phosphate (FDA). For the evaluation, the design of completely random blocks with factorial arrangement was considered, as well as measurements of height and dry weight of foliage in two cuts (41 and 70 days after germination), dry weight of roots, number of shoots, Pb concentration in dry matter, final concentration of Pb in the soil after the second cut and the Bioconcentration Factor (BCF). According to the results for treatments with SFT or FDA, the final concentration of Pb in the soil after extraction of the roots, did not have significant differences; this evidenced that the extraction of Pb by the ryegrass was low; however, different behaviors were evidenced for the concentration of ryegrass between the first and second foliage cut and between the sources. In general for SFT or FDA the liming favored height, dry weight, number of shoots and decreased the BCF; however, phosphate fertilization had no effect on height, dry weight, number of shoots and the BCF.
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