Consulta: subjectFacets:"Capacitance"
Registros recuperados: 2
Data/hora: 09/06/2024 15:55:43

SEMIAUTOMATIC IRRIGATION MANAGEMENT IN TOMATO
Provedor de dados: 70
Autores: Souza,Claudinei F.; Conchesqui,Maria E. S.; Silva,Marília B. da.
ABSTRACT The use of new technologies to meet the demands of the agricultural market is increasing; however, technical information on application is scarce for some areas of knowledge, including irrigation management. The objective of this study is to evaluate an automatic irrigation system with capacitance sensors connected to a local wireless network for the semiautomatic management of irrigation in tomato crops compared with a manual control system based on time-domain reflectometry (TDR)-type sensors. The experiments were carried out in a protected environment, and the seedlings were transplanted following surface drip lines. The study adopted a completely randomized block design consisting of two treatments and 12 repetitions, totaling 24 subplots. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Digital assistant; Irrigation management; TDR; Capacitance; Solanum lycopersicum L.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162019000800118

Electrical properties of maize kernels contaminated with aflatoxin
Provedor de dados: 111
Autores: Muga, Francis Collins; Workneh, Tilahun Seyoum; Marenya, Moses.
The purpose of this study was to investigate the effect of aflatoxin contamination on the dielectric constant of maize kernels. A factorial experiment comprising of three levels of moisture content (13.3, 15.3, and 16.4%), three frequencies (25, 50, and 100 kHz), and nine levels of aflatoxin contamination (0, 1.5, 2.6, 10, 50, 100, 150, 172, and 230 μg/kg) was used. The maize kernels were poured into a custom-built sample holder comprising a shielded parallel plate capacitor. An ISO-TECH LCR-821 meter was used to measure the capacitance, from which the dielectric constant was computed. The results indicated that moisture content and frequency significantly (p ≤ 0.05) affected the dielectric constant. The dielectric constant increased with increase in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Food Engineering; Postharvest technology Aflatoxin; Capacitance; Dielectric constant; Maize kernels.
Ano: 2018
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/4582