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Registros recuperados : 655 | |
Registros recuperados : 655 | |
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Registro Completo
Biblioteca(s): |
Embrapa Unidades Centrais. |
Data corrente: |
04/05/2001 |
Data da última atualização: |
25/02/2019 |
Autoria: |
CRUVINEL, P. E. |
Afiliação: |
PAULO ESTEVAO CRUVINEL, CNPDIA. |
Título: |
Low-cost microprocessed instrument for evaluating soil temperature profile. |
Ano de publicação: |
2000 |
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 35, n. 11, p. 2269-75, nov. 2000. |
Idioma: |
Inglês |
Notas: |
Título em português: Instrumento microprocessado de baixo custo para avaliação de temperatura em perfil de solo. |
Conteúdo: |
This paper describes a low-cost microprocessed instrument for in situ evaluating soil temperature profile ranging from -20.0°C to 99.9°C, and recording soil temperature data at eight depths from 2 to 128 cm. Of great importance in agriculture, soil emperature affects plant growth directly, and nutrient uptake as well as indirectly in soil water and gas flow, soil structure and nutrient availability. The developed instrument has potential applications in the soil science, when temperature monitoring is required. Results show that the instrument with its individual sensors guarantees ±0.25°C accuracy and 0.1°C resolution, making possible localized management changes within decision support systems. The instrument, based on complementary metal oxide semiconductor devices as well as thermocouples, operates in either automatic or non-automatic mode. |
Palavras-Chave: |
Equipamento para manejo do solo; Microprocessador; Propriedade térmica; Sensor; Sensors; Soil management equipment; Soils. |
Thesagro: |
Solo. |
Thesaurus NAL: |
Microprocessors; Thermal properties. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/18869/1/pab98_156.pdf
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Marc: |
LEADER 01698naa a2200253 a 4500 001 1103592 005 2019-02-25 008 2000 bl uuuu u00u1 u #d 100 1 $aCRUVINEL, P. E. 245 $aLow-cost microprocessed instrument for evaluating soil temperature profile. 260 $c2000 500 $aTítulo em português: Instrumento microprocessado de baixo custo para avaliação de temperatura em perfil de solo. 520 $aThis paper describes a low-cost microprocessed instrument for in situ evaluating soil temperature profile ranging from -20.0°C to 99.9°C, and recording soil temperature data at eight depths from 2 to 128 cm. Of great importance in agriculture, soil emperature affects plant growth directly, and nutrient uptake as well as indirectly in soil water and gas flow, soil structure and nutrient availability. The developed instrument has potential applications in the soil science, when temperature monitoring is required. Results show that the instrument with its individual sensors guarantees ±0.25°C accuracy and 0.1°C resolution, making possible localized management changes within decision support systems. The instrument, based on complementary metal oxide semiconductor devices as well as thermocouples, operates in either automatic or non-automatic mode. 650 $aMicroprocessors 650 $aThermal properties 650 $aSolo 653 $aEquipamento para manejo do solo 653 $aMicroprocessador 653 $aPropriedade térmica 653 $aSensor 653 $aSensors 653 $aSoil management equipment 653 $aSoils 773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 35, n. 11, p. 2269-75, nov. 2000.
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Embrapa Unidades Centrais (AI-SEDE) |
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