questionsmedicales.fr
Technologie, industrie et agriculture
Agriculture
Culture hydroponique
Culture hydroponique : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Hydroponie
Culture de plantes
Équipement de culture
Systèmes hydroponiques
Plantes cultivées
Légumes
Qualité de l'eau
Tests de laboratoire
Maladies des plantes
Symptômes de stress
Symptômes
5
Carence nutritionnelle
Symptômes des plantes
Surabondance d'eau
Problèmes de racines
Stress environnemental
Conditions de culture
Ravageurs des plantes
Infestations
Maladies fongiques
Symptômes des plantes
Prévention
5
Prévention des maladies
Hygiène des cultures
Solutions nutritives
Carences nutritionnelles
Ravageurs des plantes
Contrôle biologique
Drainage
Surabondance d'eau
Traitements
5
Engrais
Carence nutritionnelle
Racines pourries
Fongicides
Insecticides
Lutte intégrée
Fongicides
Maladies des plantes
Complications
5
Complications
Infections des plantes
Maladies fongiques
Rendement des cultures
Gestion de l'eau
Stress environnemental
pH
Absorption des nutriments
Infestations
Coûts de traitement
Facteurs de risque
5
Facteurs de risque
Conditions environnementales
Choix des plantes
Sensibilité aux maladies
Nutrition des plantes
Carences
Emplacement de culture
Conditions climatiques
Produits chimiques
Santé des consommateurs
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},
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"name": "Quels équipements sont nécessaires pour la culture hydroponique ?",
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"text": "Des systèmes de circulation d'eau, des réservoirs, des lampes de croissance et des nutriments."
}
},
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"@type": "Question",
"name": "Quels types de plantes conviennent à l'hydroponie ?",
"position": 3,
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"text": "Les légumes à feuilles, les herbes et certaines fruits comme les tomates et les fraises."
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},
{
"@type": "Question",
"name": "Comment tester la qualité de l'eau en hydroponie ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utilisez des kits de test pour mesurer le pH, la conductivité et les niveaux de nutriments."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent un problème dans une culture hydroponique ?",
"position": 5,
"acceptedAnswer": {
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"text": "Des feuilles jaunies, un retard de croissance ou des racines pourries peuvent indiquer des problèmes."
}
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{
"@type": "Question",
"name": "Quels symptômes de carence nutritionnelle en hydroponie ?",
"position": 6,
"acceptedAnswer": {
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"text": "Jaunissement des feuilles, croissance lente et décoloration des tiges."
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"@type": "Question",
"name": "Comment reconnaître une surabondance d'eau ?",
"position": 7,
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{
"@type": "Question",
"name": "Quels signes de stress environnemental en hydroponie ?",
"position": 8,
"acceptedAnswer": {
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"text": "Feuilles brûlées, croissance inégale et chute prématurée des fleurs."
}
},
{
"@type": "Question",
"name": "Comment identifier une infestation de ravageurs ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Présence d'insectes visibles, décoloration des feuilles et toiles d'araignées."
}
},
{
"@type": "Question",
"name": "Quels symptômes d'une maladie fongique en hydroponie ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Taches brunes sur les feuilles, moisissures blanches et pourriture des racines."
}
},
{
"@type": "Question",
"name": "Comment prévenir les maladies en hydroponie ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Maintenez une bonne hygiène, évitez l'excès d'humidité et surveillez régulièrement les plantes."
}
},
{
"@type": "Question",
"name": "Quelles pratiques pour éviter les carences nutritionnelles ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utilisez des solutions nutritives équilibrées et testez régulièrement les niveaux de nutriments."
}
},
{
"@type": "Question",
"name": "Comment prévenir les infestations de ravageurs ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Installez des barrières physiques et utilisez des prédateurs naturels pour contrôler les ravageurs."
}
},
{
"@type": "Question",
"name": "Quelles mesures pour éviter la surabondance d'eau ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Assurez-vous d'un bon drainage et d'une surveillance régulière des niveaux d'eau."
}
},
{
"@type": "Question",
"name": "Comment prévenir les problèmes de pH ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Testez régulièrement le pH et ajustez-le avec des produits adaptés pour maintenir l'équilibre."
}
},
{
"@type": "Question",
"name": "Comment traiter une carence en nutriments ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ajoutez des engrais spécifiques pour corriger les carences identifiées."
}
},
{
"@type": "Question",
"name": "Quelles solutions pour les racines pourries ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Réduisez l'arrosage, améliorez l'aération et traitez avec des fongicides si nécessaire."
}
},
{
"@type": "Question",
"name": "Comment gérer les infestations de ravageurs ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utilisez des insecticides biologiques ou des méthodes de lutte intégrée pour contrôler les ravageurs."
}
},
{
"@type": "Question",
"name": "Quels traitements pour les maladies fongiques ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Appliquez des fongicides appropriés et améliorez la circulation d'air autour des plantes."
}
},
{
"@type": "Question",
"name": "Comment ajuster le pH de la solution nutritive ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Utilisez des produits spécifiques pour augmenter ou diminuer le pH selon les besoins."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir en hydroponie ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Infections racinaires, carences nutritionnelles et infestations de ravageurs."
}
},
{
"@type": "Question",
"name": "Comment les maladies fongiques affectent-elles la culture ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles peuvent entraîner une perte de rendement et la mort des plantes si non traitées."
}
},
{
"@type": "Question",
"name": "Quels impacts d'une mauvaise gestion de l'eau ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Peut causer des racines pourries, des carences et des stress environnementaux."
}
},
{
"@type": "Question",
"name": "Comment les fluctuations de pH affectent-elles les plantes ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des niveaux de pH inappropriés peuvent inhiber l'absorption des nutriments essentiels."
}
},
{
"@type": "Question",
"name": "Quelles conséquences d'une infestation non contrôlée ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Peut entraîner la perte totale de la culture et des coûts élevés de traitement."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque de maladies ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une humidité excessive, un manque de circulation d'air et des températures inappropriées."
}
},
{
"@type": "Question",
"name": "Comment le choix des plantes influence-t-il les risques ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Certaines plantes sont plus sensibles aux maladies et aux ravageurs, augmentant les risques."
}
},
{
"@type": "Question",
"name": "Quels risques liés à une mauvaise nutrition des plantes ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Peut entraîner des carences, des maladies et une croissance réduite des plantes."
}
},
{
"@type": "Question",
"name": "Comment l'emplacement affecte-t-il la culture hydroponique ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un emplacement mal choisi peut exposer les plantes à des conditions climatiques défavorables."
}
},
{
"@type": "Question",
"name": "Quels risques liés à l'utilisation de produits chimiques ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Peut causer des résidus toxiques sur les plantes et affecter la santé des consommateurs."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 12/05/2025
Contenu vérifié selon les dernières recommandations médicales
2 publications dans cette catégorie
Affiliations :
Department of Agriculture, Food and Environment, University of Pisa, 56124 Pisa, Italy.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Department of Agriculture, Food and Environment, University of Pisa, 56124 Pisa, Italy.
Interdepartmental Research Center Nutrafood "Nutraceuticals and Food for Health", University of Pisa, 56124 Pisa, Italy.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, 29121 Piacenza, Italy.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, 29121 Piacenza, Italy.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Department of Agriculture, Food and Environment, University of Pisa, 56124 Pisa, Italy.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Department of Agriculture, Food and Environment, University of Pisa, 56124 Pisa, Italy.
Interdepartmental Research Center Nutrafood "Nutraceuticals and Food for Health", University of Pisa, 56124 Pisa, Italy.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Department of Agriculture, Food and Environment, University of Pisa, 56124 Pisa, Italy.
Interdepartmental Research Center Nutrafood "Nutraceuticals and Food for Health", University of Pisa, 56124 Pisa, Italy.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Institute of Environmental Engineering, Wrocław University of Environmental and Life Sciences, Wrocław, Poland.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Smart Farm Research Center, KIST Gangneung Institute of Natural Products, Gangneung, South Korea.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Department of Food Science and Technology, National University of Singapore, , Singapore.
National Centre for Food Science, Singapore Food Agency, Singapore.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Department of Food Science and Technology, National University of Singapore, , Singapore.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Changde Tobacco Company of Hunan Province, Changde, China.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Sakyo, Kyoto, 606-8502, Japan.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Sakyo, Kyoto, 606-8502, Japan.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Sakyo, Kyoto, 606-8502, Japan.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Sakyo, Kyoto, 606-8502, Japan. shirai.osamu.3x@kyoto-u.ac.jp.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Research Laboratory, WithBio Inc., Seoul 05029, Korea.
Publications dans "Culture hydroponique" :
2 publications dans cette catégorie
Affiliations :
Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea.
Publications dans "Culture hydroponique" :
Three-point bending test, compression test and tensile test can detect the mechanical properties of the whole layer of skull, but cannot detect the mechanical properties of the inner plate, the diploe...
To seek dentine analogue materials in combined experimental, analytical, and numerical approaches on the mechanical properties and fatigue behaviours that could replace human dentine in a crown fatigu...
A woven glass fibre-filled epoxy (NEMA grade G10; G10) and a glass fibre-reinforced polyamide-nylon (30% glass fibre reinforced polyamide-nylon 6,6; RPN) were investigated and compared with human dent...
The flexural strength of HD (164.27 ± 14.24 MPa), G10 (116.48 ± 5.93 MPa), and RPN (86.73 ± 3.56 MPa) were significantly different (p < 0.001), while no significant difference was observed in their fl...
Even though dentine analogue materials might exhibit similar elastic properties and fatigue performance to human dentine, different reliabilities of fatigue on crown-dentine analogues were shown. RPN ...
Biological particles have evolved to possess mechanical characteristics necessary to carry out their functions. We developed a computational approach to "fatigue testing in silico", in which constant-...
Dental caries is a biofilm-mediated, diet-modulated, multifactorial and dynamic disease that affects more than 90% of adults in Western countries. The current treatment for decayed tissue is based on ...
Dental materials are challenged by wear processes in the oral environment and should be evaluated in laboratory tests prior to clinical use. Many laboratory wear-testing devices are high-cost investme...
The aim of this study was to investigate the in vitro fatigue and fracture force of temporary implant-supported anterior crowns made of different materials with different abutment total occlusal conve...
One hundred ninety-two implant-supported crowns were manufactured (4° or 8° TOC; with/without screw channel) form 6 materials (n = 8; 2 × additive, 3 × subtractive, 1 × automix; reference). Crowns wer...
Kolmogorov-Smirnov, ANOVA; Bonferroni; Kaplan-Meier; log-rank; α = 0.05....
Failure during TCML varied between 0 failures and total failure. Mean survival was between 1.8 × 10...
Additively and subtractively manufactured crowns provided similar or higher survival rates and fracture forces compared to automix crowns. The choice of material is decisive for the survival and fract...
The highest stability has been shown for crowns with a low TOC, which are manufactured additively and subtractively. In automix-fabricated crowns, manually inserted screw channels have negative effect...
To compare and evaluate the compressive and flexural strengths of two resin-based core build-up materials with an alkasite material....
ParaCore, Tetric N ceram Bulk-fill composite, and Cention N were used. A total of 90 specimens were prepared. Customized cylindrical split molds of dimension 6 ± 1 mm (height) × 4 ± 1 mm (diameter) we...
The compressive and flexural strengths of Cention N were significantly less than ParaCore® but higher than Tetric® N-Ceram...
Within the limitations of this study, it was concluded that Cention N may be used as an alternative to other core build-up materials after further...
Cention N had the added advantage that self-cure polymerization alone was sufficient to achieve good physical properties when compared to the other two resin-based core build-up materials....
There have been significant advances in adhesive dentistry in recent decades, with efforts being made to improve the mechanical and bonding properties of resin-based dental adhesive materials. Various...
Studies comparing tensile bond strength of various soft and hard denture liner materials to conventionally and additively manufactured denture base resins are lacking. The purpose of this study was to...
A total of 120 dimethacrylate-based additively manufactured and polymethylmethacrylate (PMMA)-based conventionally fabricated dumbbell-shaped denture-base resins were produced. Heat-cured laboratory-s...
The highest tensile bond strength values were obtained in the specimens from the conventionally manufactured base and self-cured chair-side hard reline material group, and the lowest was seen in the a...
All the specimens used in the present study had tensile bonding stress values for clinical use. Both denture base resins provided an increased bond to the chair-side hard relining material, although a...
The purpose of this in vitro study was to evaluate the microstructural, elemental and mechanical properties of contemporary computer-aided-design/computer-aided manufacturing (CAD/CAM) resin based com...
Six CAD/CAM RBC materials [Brilliant CRIOS (Coltene Whaledent AG), Cerasmart (GC), Lava Ultimate (3M ESPE), Tetric CAD (Ivoclar Vivadent), Shofu Block HC (Shofu), Grandio Blocs (VOCO GmbH)] were teste...
Backscattered Electron images and EDX analysis demonstrated differences in size, shape and type of fillers along with elemental composition among materials tested. Statistical significant differences ...
The results showed that the CAD/CAM materials tested have differences in their microstructure, elemental composition and mechanical properties....
The RBCs tested showed significant differences in mechanical properties and thus differences in clinical performance are anticipated. RBCs with increased filler loading had the most favorable combinat...