id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ahs-8098	Vendruscolo, Eduardo Prati ; Rodrigues, Aliny Heloísa Alcântara; Correia, Sávio Rosa; Oliveira, Paulo Ricardo; Campos, Luiz Fernandes Cardoso; Seleguini, Alexsander	Economic analysis of crisp lettuce production in different planting spacing and soil cover	2020	8	.pdf	application/pdf	4629	227	60	The presence of a superficial straw layer is benefi­ cial from the point of view of soil quality mainte­ nance (Cardoso et al., 2012), favoring the develop­ ment of plants of economic interest (Torres et al., 2015; Vendruscolo et al., 2017 a). Materials that are easily accessible to the rural producer, such as straw from grazing, can be used as mulch, replacing other materials such as plastic, for example, which has an effective participation in the costs of producing vegetables (Vendruscolo et al., 2017 b), also representing a source for environmen­ tal contamination (Chang et al., 2013).	cache/ahs-8098.pdf	txt/ahs-8098.txt