2007
DOI: 10.1590/s0100-69162007000100024
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Abstract: Com o advento da eletrônica e a disponibilidade de "software" de processamento, vários tipos de transdutores têm sido testados, visando à determinação da umidade do solo. O uso desses transdutores tem por objetivo a otimização do consumo de água e o conseqüente retorno econômico da atividade da agricultura irrigada. No Laboratório de Hidráulica do Departamento de Engenharia Agrícola da Universidade Federal do Ceará, construiu-se um dispositivo para calibração de sensores de umidade do solo, a sua calibração e … Show more

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Cited by 6 publications
(5 citation statements)
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“…Additionally, the possibility of instantaneous moisture determination makes indirect methods more adequate to indicate the beginning and the duration of irrigation (Leão et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…Additionally, the possibility of instantaneous moisture determination makes indirect methods more adequate to indicate the beginning and the duration of irrigation (Leão et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…The most used methods for irrigation management use atmospheric data or data related to soil moisture. For the direct determination of soil moisture, despite the 24hour period or more to obtain the result, the standard greenhouse method is the most used (MIRANDA; PIRES, 2001 The method consists of obtaining a soil sample and through weighing, where the mass of water is related to the mass of solids in the sample, the moisture can be obtained based on mass or volumetric moisture (LEÃO et al, 2007). The main indirect methods for obtaining soil moisture are based on soil characteristics that vary with its moisture, requiring prior calibration (LEÃO et al, 2007).…”
Section: Introductionmentioning
confidence: 99%
“…The correct irrigation management to obtain economically viable yield is that in which water is applied in the soil at the right time and in amount sufficient to meet crop water requirements, using methods that determine the availability of water in the soil for the irrigated crop, such as tensiometry (Leão et al, 2007).…”
Section: Introductionmentioning
confidence: 99%