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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"name": "Quels équipements sont nécessaires pour la culture hydroponique ?",
"position": 2,
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}
},
{
"@type": "Question",
"name": "Quels types de plantes conviennent à l'hydroponie ?",
"position": 3,
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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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{
"@type": "Question",
"name": "Quels symptômes de carence nutritionnelle en hydroponie ?",
"position": 6,
"acceptedAnswer": {
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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 11/02/2025
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" :
Heterogeneous medium enhanced angiogr- ams are key diagnostic tools in clinical practice; the associated hemodynamic information is crucial for diagnosing cardiovascular diseases. However, the dynamic...
Dynamic duplex sonography (DUS) is not comprehensive in the evaluation of arteriogenic erectile dysfunction (ED). We introduced a new parameter, the flow index (FI), into the assessment of arteriogeni...
Lateral sinus stenosis is the most common cause of venous pulsatile tinnitus (VPT). Stenting is an effective treatment after demonstration of a trans-stenotic pressure gradient; however, pressure meas...
Consecutive patients with disabling VPT were included from 2016 to 2019 and analyzed retrospectively. Intrasinusal pressures were measured and blood flow velocities (with a dual-sensor guidewire) were...
A total of 41 patients were treated according to this strategy. At last follow-up (mean = 30.2 months), 32/33 patients (97%) treated by stenting showed complete resolution or a significant decrease in...
Measurement of sinus blood flow velocity provides a hemodynamic explanation of disease and may be a better tool than pressure gradient for the indication of stenting in VPT....
Neurovascular coupling (NVC) represents the increase in regional blood flow associated with neural activity. The aim here was to describe a new approach to non-invasive measurement of NVC by spectral ...
In a sample of 20 healthy participants, we monitored systolic CBFV in the left posterior cerebral artery (PCA) during off (eyes closed) and on (flickering checkerboard) periods. The contralateral midd...
On average, this amplitude was 7.1 ± 2.3%, 10.9 ± 3.5% and 17.3 ± 6.5%, respectively. This response contrasted significantly with an absent peak in middle cerebral artery monitoring (p < 0.0001). The ...
NVC can be quantified by the spectral amplitude of PCA CBFV at slower and higher frequencies of visual stimulation. This method represents an alternative to classic overshoot without the need for stim...
Coronary artery disease and cardiovascular mortality are increased in patients with an exaggerated blood pressure response to exercise. The exact cause of this increase remains unknown, but previous s...
Photocoagulation of blood vessels offers unambiguous advantages to current radiofrequency approaches considering the high specificity of blood absorption at available laser wavelengths (e.g., 532 nm a...
7T MRI enables measurements of blood flow velocity waveforms in small, perforating cerebral arteries. As these vessels can be tortuous, acquisition methods sensitive to flow in only one direction may ...
Blood flow velocity waveforms were measured in the LSAs of 18 subjects (age range: 20-74 years) using prospectively gated single-slice phase contrast (PC) MRI at 7T. For each subject, blood flow veloc...
For the largest, perpendicularly planned LSA, the peak velocity was slightly lower (0.2 cm/s, 1.7%) for 1D compared to 3D measurements, with an LOA range from the mean difference of (-0.27;0.27). The ...
1D velocity encoding using 2D PC MRI provides sufficiently accurate dynamic velocity and pulsatility measurements in slices perpendicularly planned to single, large LSAs compared to 3D velocity encodi...
It is plausible that statins could improve cerebral blood flow through pleiotropic mechanisms. The purpose of this investigation was to assess the contribution of statins to cerebrovascular variables ...
Middle cerebral artery blood flow velocity (MCAv) was measured using transcranial Doppler ultrasound. Continuous supine rest recordings lasted 8 min. Participants included in analyses were statin (n =...
MCAv and cerebrovascular conductance were significantly higher in statin users (p = 0.047; p = 0.04), and pulsatility index (PI) was significantly lower in statin users (p < 0.01). An interaction effe...
In this cross-sectional analysis, statin use was positively associated with cerebrovascular variables in older adults at risk for dementia. Female statin users had significantly higher resting MCAv an...
BACKGROUND In various situations such as pain, exposure to hot or cold, and mental stress, where physiological stress occurs, the increased excitatory response in the sympathetic efferent neurons lead...
Unstable cerebral blood flow is theorised to contribute to the occurrence of intraventricular haemorrhage (IVH) in extremely low-birth-weight infants (ELBWIs), which can be caused by increased arteria...