Controle automatizado de casas de vegetação: variáveis climáticas e fertigação

Teruel, Bárbara

doi:10.1590/s1415-43662010000300001

Cited by 18 publications

(13 citation statements)

References 34 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The application of automation can contribute to agriculture to improve quality, reduce losses, increase productivity, reduce costs and decrease the return time to the investment, planning and decision making as well as reducing the impact to the environment, facilitating the work and increasing the quality of life of the producer, aiming at a greater competitiveness (Teruel, 2010).…”

Section: Introductionmentioning

confidence: 99%

Distribution of Maize Seed in a Seeding Line Prototype Using Microcontrolled Data Acquisition Systems

2017

View full text Add to dashboard Cite

ABSTRACT:The aim of this study was evaluate the longitudinal distribution of maize seeds using a seeding line prototype, whit a microcontroller data acquisition system, at different speeds and types of horizontal feeder discs. Initially it was constructed a prototype simulator of seeding line, in the laboratory, and mounted two systems of microcontroller data acquisitions with infrared sensors for maize seeds counting. A test was conducted in a completely randomized design in split plots with factorial scheme of treatments 5 x 2 x 2, being the parcel two types of microcontroller data acquisition systems (infrared sensors in parallel and an diffuse infrared sensor), the factors were two feeder discs of maize seeds (inclined and normal) and five sowing speeds (3.0, 4.0, 5.0, 6.0, and 8.0 km h -1 ), with three replications, totaling 60 plots. The results showed that the data acquisition systems presented efficiency higher than 93% in the perception of the seeds. The lower speeds provided a seed distribution closer to the desired. The spacing average error between seed with the microcontroller data acquisition system with diffuse sensor was 0.0206 meters and the system with infrared sensors in parallel was 0.0158 meters.

show abstract

Section: Introductionmentioning

confidence: 99%

Distribution of Maize Seed in a Seeding Line Prototype Using Microcontrolled Data Acquisition Systems

2017

View full text Add to dashboard Cite

show abstract

“…However, studies on its production in protected environments under the climatic conditions of Brazil are mostly conducted in environments with some static or fixed meteorological control. Therefore, the protection of crops is almost exclusively limited to the "umbrella effect" (Bliska Júnior, 2011), and the edaphoclimatic requirements of the crops remain with no manual or automated control through intelligent systems (Teruel, 2010). Thus, 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.…”

Section: Introductionmentioning

confidence: 99%

Mini tomato production in organic system under greenhouse with partial control of meteorological elements

Araújo

Leal

Zorzeto

et al. 2016

Rev. bras. eng. agríc. ambient.

View full text Add to dashboard Cite

A B S T R A C TThe 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.Produção de minitomate em sistema orgânico sob ambientes protegidos com controle parcial de elementos meteorológicos R E S U M O Objetivou-se, nesta pesquisa, avaliar os elementos meteorológicos dos ambientes e os componentes de produção da cultura do tomateiro minitomate, em sistema orgânico de produção em diferentes formas de cultivo, doses de biofertilizante e graus tecnológicos de ambientes protegidos. A pesquisa foi conduzida em delineamento inteiramente casualizado em esquema fatorial 3 x 2 x 5 constituído de três casas de vegetação (A -climatizada, B -tela móvel e C -tela fixa) duas formas de cultivo (vasos e canteiros) e cinco doses de biofertilizante comercial (0, 50, 100, 150 e 200% da dose indicada pelo fabricante) com cinco repetições. Os tratamentos influenciaram as variáveis analisadas, exceto para as doses de biofertilizante e interação dos tratamentos. A temperatura do ar se manteve inalterada entre os ambientes e a umidade relativa média e mínima dentro da faixa de controle na casa de vegetação climatizada. A casa de vegetação com tela móvel apresentou os melhores resultados produtivos na forma de cultivo em canteiros ficando as doses de biofertilizante indiferentes a todos os tratamentos.

show abstract

“…It also contributed to improving quality, reducing waste, increasing productivity and supports planning and decision-making towards greater competitiveness (TERUEL, 2010).…”

Section: Introductionmentioning

confidence: 99%

Automated System for the Process of Artificial Rain Generation

Santos

Romano

Bonaldo

et al. 2016

R_I

View full text Add to dashboard Cite

Different models of rainfall simulators have been developed over time, and the use of electronics has allowed achieving higher levels of production and control. On this subject, the aim is to present the development of a technical system for automated generation of simulated rain. The study was divided into two stages. In the first stage, the development of the automated system for generating simulated rain was carried out. In the second stage, tests were conducted to verify the functioning of the proposed system. The result are: (i) concept of the system developed is compound by a sensor of flow rate, pressure and temperature, digital display, interface cable of computer and four buttons that allows the setup of the simulated rain (the plot of land, time and volume of water to produce the simulated rain). It can be programmed up to 240 parcel, maximum time each experiment of 240 minutes and the volume of rain according to the pump used. (ii) to check the functioning of the electronic system, a test in the laboratory was done. During the automated operation, the system measured pressure (kPa), water flow (L min -1 ), temperature (ºC), and time (minute). The operation was evaluated and it was concluded that it enable the automated generation of simulated rain and that under the experimental conditions studied (without the influence of wind, natural rain or sun), the 17 repetitions totaled 510 minutes of experiments, in which time the prototype showed neither failures in programming or measurement errors of the sensors.Keywords: automation, electronics, simulated rainfall, hydrology, water and soil. RESUMODiferentes modelos de simuladores de chuva foram desenvolvidos ao longo do tempo, e a utilização de sistemas eletrônicos permitiu alcançar maiores níveis de produção e controle.

show abstract

Controle automatizado de casas de vegetação: variáveis climáticas e fertigação

Cited by 18 publications

References 34 publications

Distribution of Maize Seed in a Seeding Line Prototype Using Microcontrolled Data Acquisition Systems

Distribution of Maize Seed in a Seeding Line Prototype Using Microcontrolled Data Acquisition Systems

Mini tomato production in organic system under greenhouse with partial control of meteorological elements

Automated System for the Process of Artificial Rain Generation

Contact Info

Product

Resources

About