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milieu naturel - iate.europa.eu
Short communication a continuous soil water potential measurement system for irrigation scheduling assessment... Three Watermark soil water potential sensors and a soil temperature sensor were linked with a relatively inexpensive ‘Hobo ’ data-logger capable of recording hourly measurements....
général - core.ac.uk - PDF: citeseerx.ist.psu.edu
Dry season soil water potential maps of a 50 hectare tropical forest plot on barro colorado island, panama... The input folder includes soil moisture measurements fromt the 50-ha Forest Dynamics Plot on Barro Colorado Island (BCI) in Panama and R code to create custom soil water potential maps for the plot....
73: soil water potential measurementSoil water potential controls the dynamics of water in soils....
Crop response to soil water potential and drip irriagation system design... The crop component of these models has been represented by an arbitrary choice of the soil water potential at a point near the soil surface, midway between irrigation lines or emitters....
Measuring soil water potential for water management in agriculture: a reviewSoil water potential is a soil property affecting a large variety of bio-physical processes, such as seed germination, plant growth and plant nutrition....
 PDF: doaj.org
milieu naturel - iate.europa.eu
Measurement of soil suction in situ using the fredlund thermal conductivity sensor*... The most commonly used methods available for the measurement of soil suction are psychrometers, filter papers, tensiometers, and thermal conductivity sensors....
général - core.ac.uk - PDF: www.soilvision.com
Monitoring field soil suction using a miniature tensiometerAn experimental device was developed to monitor the field soil suction usingminiature tensiometer....
 PDF: arxiv.org
Soil suction profile due to tree induced suction... This study discuss an exploration of soil suction is affected by water uptake by tree root at various condition from wet season (high rainfall) to dry season (prolonged no rainfall)....
Estimation of soil suction from the soil-water characteristic curve... This paper examines the possibility of using the SWCC for the estimation of in situ soil suction....
Estimating soil suction from electrical resistivitySoil suction and resistivity strongly depend on the degree of soil saturation and, therefore, both are used for estimating water content variations....
 PDF: core.ac.uk
milieu naturel - iate.europa.eu
Optimization of soil moisture environment by applying simulation on sub-irrigation method (ii) : reappearance trial by using conformal mapping method in the distribution of soil moisture tensionThis study was conducted to clarify the distributions of soil moisture tension in root zone under different conditions in case of applying the continuous sub-irrigation method by using negative pressure....
général - core.ac.uk - PDF: repository.osakafu-u.ac.jp
Soil moisture tension and phosphate fertilization on yield components of a-7573 sweet corn (zea mays l.) hybrid, in campeche, mexico... Four levels of soil moisture tension, ranging from -5 to -80kPa, and three levels of phosphate fertilization: 60, 80, and 100kgha-1 were studied....
Optimization of soil moisture environment by applying simulation on sub-irrigation method (i) : reappearance trial in the distribution of soil moisture tension... On the other hand, there are many methods to reappear the distributions of soil moisture tension, but in this study, the conformal mapping method was applied to reappear them at the steady state....
Optimization of soil moisture environment by applying simulation on sub-irrigation method (iii) : reappearance trial by using finite element method in distributions of soil moisture tensionThis study was conducted by using the finite element method in order to reappear and predict the distributions of soil moisture tension under the application of sub-irrigation method....
An investigation of some differences between aspects in hill country : a thesis presented in partial fulfilment of the requirements for the degree of master of agricultural science in plant science at massey university... Soil moisture tension differences were not detected during the winter months, but during the remainder of the year the north aspect was driest, followed by the east and west aspects,...
milieu naturel - iate.europa.eu
Soil water tension irrigation criteria affects both stevia rebaudiana leaf yield and leaf steviol glycoside composition... The current trial investigated the effect that soil water tension as an irrigation onset criteria had on stevia dry leaf yields, steviol glycoside content and yield, and steviol glycoside ratios....
général - core.ac.uk - PDF: creativecommons.org
Response of broccoli to soil water tension under drip irrigationWe evaluated the effect of different soil water tensions on the production of broccoli cultivated in a protected environment under drip irrigation in order to establish criteria for the adequate management of irrigation....
 PDF: doaj.org
Nitrogen fertiliser recovery and yield response of greenhouse grown and fertigated tomato to root- zone soil water tension... Two irrigation programmes, controlled through continuous monitoring of root-zone soil-water tension, were used as irrigation treatments....
Determination of soil water tension for irrigation management of sweet sorghum... At present, information regarding the best soil water tension for beginning sweet sorghum irrigation is not available; hence, this study aimed to determine the adequate soil water tension under field conditions for beginning...
 PDF: doaj.org
An irrigation controller mechanically actuated by soil-water tension: i - design, development and laboratory evaluationsABSTRACT The objective of this study was to develop and evaluate an irrigation controller that was mechanically actuated by soil-water tension within laboratory conditions....
 PDF: doaj.org
milieu naturel - iate.europa.eu
Impact of drainage and soil properties on carbon dioxide emissions from intact cores of cultivated peat soils... Repeated measurements of CO2 fluxes were performed at increasing soil water suctions corresponding to different drainage levels....
général - core.ac.uk - PDF: pub.epsilon.slu.se
Integrated effect of transplanting date, cultivar and irrigation on yield, water saving and water productivity of rice (oryza sativa l.) in indian punjab: field and simulation study... Treatments included three dates of transplanting (25 May, 10 June and 25 June), two cultivars (PR 118 inbred and RH 257 hybrid) and two irrigation schedules (2-days drainage period and at soil water suction of 16kPa)....
Assessing benewts of irrigation and nutrient management practices on a southeast florida royal palm (roystonea elata)...(i.e., a grower irrigation rate and N and P fertilizer rates); (2) irrigation system automated to irrigate when soil water suction exceeded 5 kPa and the grower N and P rates; (3) irrigation system automated to irrigate when soil water suction exceeded 15 kPa and th
Growth rate and phosphorus uptake of wheat (triticum aestivum vill., host) as a function of soil water suction and soil temperatureGraduation date: 1971The effect of soil temperature and soil water suction on the ratedof phosphorus uptake and growth rate of wheat (Triticum aestivumdVILL....
Photosynthesis and transpiration of monterey pine seedlings as a function of soil water suction and soil temperature... Don) were measured under controlled conditions of soil water suction and soil temperature....
potentiel capillaire
bâtiment et travaux publics - iate.europa.eu
Malheureusement, pour des raisons diverses, la durée de ces cycles peut considérablement diminuer et conduire à l'épuisement total du potentiel capillaire en seulement quelques années.

Unfortunately, for various reasons, the duration of these cycles can significantly decrease and lead to total collapse of capillary potential in just a few years.

général - CCMatrix (Wikipedia + CommonCrawl)
Identification and quantitation of cis-ketoconazole impurity by capillary zone electrophoresis-mass spectrometry... Under these conditions, the optimization of ESI–MS parameters (composition and flow of the sheath–liquid, drying temperature, drying gas flow, and capillary potential) was carried out to obtain the best MS sensitivity....
général - core.ac.uk - PDF: dspace.uah.es
Hydraulic characterization of aquifers, reservoir rocks and soils: a history of ideas... The turn of the century saw Buckingham establish the role of capillary potential in governing moisture movement in partially water-saturated soils....
Protonation in electrospray mass spectrometry: wrong-way-round or right-way-round? ... Study of the dependence of ionization of the weak base caffeine on the electrospray capillary potential reveals three distinct contributors to wrong-way-round ionization....
Field hydraulic conducfivity of some malaysian peat... This is because a number of uncertain variables such as the capillary potential, the existence of macro and micro-pores and their tortuosity aredifficult to measure....
The steady state flow of water through unsaturated soil in the low capillary potential region...error.dMeasurements of steady state water content profiles in adcoarse textured soil in the low capillary potential region were madedby using the gamma ray attenuation method....

Publications scientifiques

Special issue: monitoring and modelling of soil moisture: integration over time and space dissipation of momentum during flow in soils
... Dissipation de l'énergie cinétique au cours de l'infiltration Résumé Au cours de l'infiltration dans les sols, la dissipation d'énergie cinétique due à la viscosité contraste avec la diffusion du potentiel capillaire....
...Abstract The basic principles are derived of steady momentum dissipation during laminar boundary-layer flow in macroporous soils....
politique tarifaire - core.ac.uk - PDF: citeseerx.ist.psu.edu

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Traductions en contexte français - anglais

On utilise un équilibre de forces de compression par rapport à la tension du potentiel capillaire du sol afin de commander la position d'une valve (119) qui va générer une émission telle qu'une commande d'une valve d'eau principale (110).

This uses balance of compressive force as compared to tension of the soil matric potential being used to control a position of a valve (119) which is arranged to effect an output such as control of a mains water valve (110).

industrie mécanique - wipo.int


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