SciELO - Scientific Electronic Library Online

 
vol.33 issue6Populational densities for alternative cultivars of bean in northern Minas GeraisBanana plant performance intercropping with perennial herbaceous legumes author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand

Journal

Article

Indicators

Related links

Share


Ciência e Agrotecnologia

Print version ISSN 1413-7054

Abstract

LIMA, Márcio Emanoel de et al. Lettuce crop performance in organic tillage with and without mulching and at different irrigation water depths. Ciênc. agrotec. [online]. 2009, vol.33, n.6, pp.1503-1510. ISSN 1413-7054.  https://doi.org/10.1590/S1413-70542009000600007.

This work was carried out in order to evaluate the performance of a lettuce crop (Lactuca sativa L.) cultivated under different irrigation depths in ground with and without covering of gliricidia leguminosa. Two simultaneous experiments were conducted, in which 5 irrigation depths were applied, corresponding to 25, 50, 80, 100, and 115% of crop evapotranspiration (ETc). Final production was evaluated by means of the determination of fresh mass and leaf area. Up to the 100% ETc level, all the analyzed variables had their values increased. For the 115% level, there was a decrease of the same. In total fresh mass production, the system with covering was superior to the one without covering, not differentiating statistically to the 5% level probability for test F, except at depths of 25 and 115% ETc.

Keywords : Irrigation management; Lactuca sativa; production functions.

        · abstract in Portuguese     · text in Portuguese     · Portuguese ( pdf )

 

Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License