Abstract
ABSTRACT The objective of this research was to evaluate the meteorological elements of the environments and the production components of mini tomato crop in organic system in different forms of cultivation, biofertilizer doses and technological levels of protected environments. The research was conducted in completely randomized design in a 3 x 2 x 5 factorial scheme, corresponding to three greenhouses (A - climatized, B - mobile screen and C - fixed screen), two forms of cultivation (pots and beds) and five doses of a commercial biofertilizer (0, 50, 100, 150 and 200% of dose indicated), with five replicates. The treatments affected the analyzed variables, except for biofertilizer doses and interaction of treatments. Air temperature was unchanged among the environments and the mean and minimum relative humidity were within the control range in the climatized greenhouse. The greenhouse with mobile screen showed the best production results for the cultivation in beds and the biofertilizer doses were indifferent for all treatments.
Highlights
The global sales of organic food and beverages increase every year, reaching approximately US$ 80 billions in 2014 (Willer & Lernoud, 2016)
The monthly means of minimum, mean and maximum air temperature (Table 5) observed during the research showed no statistical influence between the cultivation environments, certainly due to the effects of the technologies used for partial control, besides the period of cultivation
Duarte et al (2011), evaluating alterations in air temperature due to the use of screens on the sides of protected environments cultivated with tomato, observed that environments covered with transparent plastic during autumn-winter and side covering with anti-aphid screen promoted thermal gain to the environment
Summary
The global sales of organic food and beverages increase every year, reaching approximately US$ 80 billions in 2014 (Willer & Lernoud, 2016). Given the susceptibility of the crop to external (climatic) and phytosanitary factors (Maciel & Silva, 2014), the protected cultivation of tomato has expanded in the last years in order to better control such factors and increase yield, quality and regularity of production (Reis et al, 2013). Outside this system, the crop shows higher yield under conventional cultivation, in comparison to organic cultivation (Seufert et al, 2012), but with the advantage of requiring a reduced amount of nutrients and energy (Zandonadi et al, 2014). This study aimed to evaluate meteorological conditions, yield and technical indicators of production of mini tomato in organic system under different forms of cultivation, biofertilizer doses and technological levels of protected environments
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Revista Brasileira de Engenharia Agrícola e Ambiental
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
