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Journal articles on the topic 'Lysimeter'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Sołtysiak, Marek, and Michał Rakoczy. "An overview of the experimental research use of lysimeters." Environmental & Socio-economic Studies 7, no. 2 (2019): 49–56. http://dx.doi.org/10.2478/environ-2019-0012.

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Abstract The lysimeter is most often defined as a box filled with soil with an intact structure for measuring the amount of infiltration and evapotranspiration in natural conditions. At the bottom of the device there is an outflow for atmospheric precipitation water infiltrating to a measuring container. Lysimeter studies are included in the group of dynamic leaching tests in which the leaching solution is added in a specified volume over a specific period of time. Lysimeter studies find applications in, amongst others, agrotechnics, hydrogeology and geochemistry. Lysimeter tests may vary in t

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SHAHRAJABIAN, M. H., M. KHOSHKHARAM, A. SOLEYMANI, W. SUN, and Q. CHENG. "CONSIDERING SOIL WATER CONTENT, NUTRIENTS MOVEMENT, PHENOLOGY AND PLANT GROWTH WITH REFERENCE TO DEVELOPMENT OF FUNCTIONAL FOODS IN A LYSIMETER STUDY." Cercetari Agronomice in Moldova 53, no. 1 (2020): 121–35. http://dx.doi.org/10.46909/cerce-2020-010.

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Lysimeter is equipped with mechanisms for weighing by load cells enable automated measurements, and the signals resulting from weight changes in the system due to evaporation that are generally recorded in a data acquisition system. According to methods of measuring water content, lysimeters may be divided into weighing lysimeter and non-weighing lysimeter. The weighing lysimeters provide scientists the basic information for research related to evapotranspiration, and they are commonly divided into two types, continuous weighing and intermittent weighing. Weighing lysimeters have been used to

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López-Urrea, Ramón, José Jesús Pardo, Llanos Simón, et al. "Assessing a Removable Mini-Lysimeter for Monitoring Crop Evapotranspiration Using a Well-Established Large Weighing Lysimeter: A Case Study for Barley and Potato." Agronomy 11, no. 10 (2021): 2067. http://dx.doi.org/10.3390/agronomy11102067.

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Further research is required on the measurement of crop evapotranspiration (ETc) to produce new or updated crop coefficients for a large number of crops using accurate weighing lysimeters. However, large weighing lysimeters are sometimes expensive and are not portable, and different prototypes of small-sized lysimeters may be a feasible alternative. This study evaluated the performance of a removable mini-lysimeter model to measure ETc and derive crop coefficients using a long-established large precision weighing lysimeter over a two-year period. The study was conducted during the 2017 and 201

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Cameron, KC, DF Harrison, NP Smith, and CDA Mclay. "A method to prevent edge-flow in undisturbed soil cores and lysimeters." Soil Research 28, no. 6 (1990): 879. http://dx.doi.org/10.1071/sr9900879.

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This study shows that edge-flow of water and solutes between soil samples and lysimeter or permeameter casings can result in significant errors in the measurement of hydraulic conductivity and leaching rates. A new lysimeter design and technique are described which prevent edge-flow from occurring. Liquefied petrolatum is injected into an annular gap between the soil and the lysimeter casing producing a watertight seal. Water and solute movement in the sealed lysimeter is therefore confined within the soil monolith and no edge-flow occurs. Hydraulic conductivity and solute leaching rates are s

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O. P. Bhoje, V. K. Ingle, U. M. Khodke, H. W. Awari, and S. B. Jadhav. "A Review on the Installation and Applications of Various Types of Lysimeter in Agricultural Water Management." Journal of Agriculture Research and Technology 50, no. 01 (2025): 23–31. https://doi.org/10.56228/jart.2025.50104.

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Crop water use is closely linked to soil water and rooting patterns. To investigate these relationships, a unique lysimeter was designed and constructed, allowing for simultaneous measurement of root density, soil water content, and whole-profile evapotranspiration. The lysimeter facilitates the evaluation of interrelationships within an undisturbed soil profile, including rooting depth and density, soil water content, plant water uptake, and evaporative demand. Lysimeter installation involves selecting a well-drained site with similar soil and conditions to the surrounding environment. A pit

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Fernando, Salani U., Lakshman Galagedara, Mano Krishnapillai, and Chad W. Cuss. "Lysimeter Sampling System for Optimal Determination of Trace Elements in Soil Solutions." Water 15, no. 18 (2023): 3277. http://dx.doi.org/10.3390/w15183277.

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Understanding trace element (TE) composition and behavior in soil solution is extremely important for assessing ecological and human health impacts. Using lysimeters to collect soil solution with minimum alteration to the in situ phase distribution and concentration of TEs will facilitate a more accurate assessment. However, different lysimeter materials and sampling conditions may lead to vastly different results, demonstrating the need for the optimal choice of lysimeter depending upon environmental conditions. There is no general agreement or overview discussing the best lysimeter type and

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Peters, A., and W. Durner. "Large zero-tension plate lysimeters for soil water and solute collection in undisturbed soils." Hydrology and Earth System Sciences Discussions 6, no. 3 (2009): 4637–69. http://dx.doi.org/10.5194/hessd-6-4637-2009.

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Abstract. Water collection from undisturbed unsaturated soils to estimate in situ water and solute fluxes in the field is a challenge, in particular if soils are heterogeneous. Large sampling devices are required if preferential flow paths are present. We present a modular plate system that allows installation of large zero-tension lysimeter plates under undisturbed soils in the field. To investigate the influence of the lysimeter on the water flow field in the soil, a numerical 2-D simulation study was conducted for homogeneous soils with uni- and bimodal pore-size distributions and stochasti

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Peters, A., and W. Durner. "Large zero-tension plate lysimeters for soil water and solute collection in undisturbed soils." Hydrology and Earth System Sciences 13, no. 9 (2009): 1671–83. http://dx.doi.org/10.5194/hess-13-1671-2009.

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Abstract. Water collection from undisturbed unsaturated soils to estimate in situ water and solute fluxes in the field is a challenge, in particular if soils are heterogeneous. Large sampling devices are required if preferential flow paths are present. We present a modular plate system that allows installation of large zero-tension lysimeter plates under undisturbed soils in the field. To investigate the influence of the lysimeter on the water flow field in the soil, a numerical 2-D simulation study was conducted for homogeneous soils with uni- and bimodal pore-size distributions and stochasti

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9

Gazula, Aparna, Eric Simonne, Michael Dukes, George Hochmuth, Bob Hochmuth, and David Studstill. "OPTIMIZATION OF DRAINAGE LYSIMETER DESIGN FOR FIELD DETERMINATION OF NUTRIENT LOADS." HortScience 41, no. 3 (2006): 508D—508. http://dx.doi.org/10.21273/hortsci.41.3.508d.

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Collecting leachate from lysimeters installed in the field below vegetable fields may be used to quantify the amount of nitrogen released into the environment. Because limited information exists on the optimal design type and on the effect of design components on lysimeter performance, the objective of this study were to identify existing designs and their limits, assess cost of design, and test selected designs. Ideally, lysimeters should be wide enough to collect all the water draining, long enough to reflect the plant-to-plant variability, durable enough to resist degradation, deep enough t

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McCauley, Dalyn, Alexander Levin, and Lloyd Nackley. "Reviewing Mini-lysimeter Controlled Irrigation in Container Crop Systems." HortTechnology 31, no. 6 (2021): 634–41. http://dx.doi.org/10.21273/horttech04826-21.

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This study reviews how mini-lysimeters have been used effectively to optimize irrigation control in container horticulture production. Lysimeters are devices that measure evapotranspiration (ET) from the water balance of a fixed soil volume. The primary components of lysimeter-controlled irrigation are load cell sensors, a multiplexer, a data logger, a controller, and solenoid valves. The two common mini-lysimeter systems are platform lysimeters and suspension lysimeters. In these systems, a bending-beam single-point load cell is fastened between two plates, and a container is placed directly

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Isch, Arnaud, Denis Montenach, Frederic Hammel, Philippe Ackerer, and Yves Coquet. "A Comparative Study of Water and Bromide Transport in a Bare Loam Soil Using Lysimeters and Field Plots." Water 11, no. 6 (2019): 1199. http://dx.doi.org/10.3390/w11061199.

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The purpose of this methodological study was to test whether similar soil hydraulic and solute transport properties could be estimated from field plots and lysimeter measurements. The transport of water and bromide (as an inert conservative solute tracer) in three bare field plots and in six bare soil lysimeters were compared. Daily readings of matric head and volumetric water content in the lysimeters showed a profile that was increasingly humid with depth. The hydrodynamic parameters optimized with HYDRUS-1D provided an accurate description of the experimental data for both the field plots a

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12

Gebler, S., H. J. Hendricks Franssen, T. Pütz, H. Post, M. Schmidt, and H. Vereecken. "Actual evapotranspiration and precipitation measured by lysimeters: a comparison with eddy covariance and tipping bucket." Hydrology and Earth System Sciences 19, no. 5 (2015): 2145–61. http://dx.doi.org/10.5194/hess-19-2145-2015.

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Abstract. This study compares actual evapotranspiration (ETa) measurements by a set of six weighable lysimeters, ETa estimates obtained with the eddy covariance (EC) method, and evapotranspiration calculated with the full-form Penman–Monteith equation (ETPM) for the Rollesbroich site in the Eifel (western Germany). The comparison of ETa measured by EC (including correction of the energy balance deficit) and by lysimeters is rarely reported in the literature and allows more insight into the performance of both methods. An evaluation of ETa for the two methods for the year 2012 shows a good agre

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Gebler, S., H. J. Hendricks Franssen, T. Pütz, H. Post, M. Schmidt, and H. Vereecken. "Actual evapotranspiration and precipitation measured by lysimeters: a comparison with eddy covariance and tipping bucket." Hydrology and Earth System Sciences Discussions 11, no. 12 (2014): 13797–841. http://dx.doi.org/10.5194/hessd-11-13797-2014.

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Abstract. This study compares actual evapotranspiration (ETa) measurements by a set of six weighable lysimeters, ETa estimates obtained with the eddy covariance (EC) method, and potential crop evapotranspiration according to FAO (ETc-FAO) for the Rollesbroich site in the Eifel (Western Germany). The comparison of ETa measured by EC (including correction of the energy balance deficit) and by lysimeters is rarely reported in literature and allows more insight into the performance of both methods. An evaluation of ETa for the two methods for the year 2012 shows a good agreement with a total diffe

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14

Piccinni, Giovanni, Daniel I. Leskovar, and Thomas Marek. "Determination of Crop Coefficients (Kc) and Water Use of Spinach and Onion." HortScience 40, no. 4 (2005): 1095C—1095. http://dx.doi.org/10.21273/hortsci.40.4.1095c.

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Lysimeters are used to measure real-time water use during the growing season. By relating the water use of a specific crop to a well-watered reference crop, such as alfalfa or grass, crop coefficients (Kc) can be developed to assist in predicting accurate crop needs using available meteorological data. Reference evapotranspiration can be obtained from several weather networks; however, without crop coefficients for specific crops, this information is only useful for grass. Three weighing lysimeters, consisting of undisturbed 1.5 m × 2.0 m area by 2.2-m depth cores of soil, comprise the Texas A

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Lyles, Brad F., Brad D. Sion, David Page, Jackson B. Crews, Eric V. McDonald, and Mark B. Hausner. "Closing the Water Balance with a Precision Small-Scale Field Lysimeter." Sensors 24, no. 7 (2024): 2039. http://dx.doi.org/10.3390/s24072039.

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We developed a set of two precision, small-scale, water balance lysimeters to provide accurate measurements of bare soil evaporation. Each lysimeter comprises a soil tank, a balance assembly with load cell, a wicking drainage system, and a stilling well to measure drained water. Fiberglass wicks installed at the bottom of the soil tanks provide −60 cm of tension to the base of the soil column, and soil water drainage is quantified to close the water balance within the lysimeter. The calibrated lysimeters return mass changes with uncertainties ranging from 3 to 8 g, corresponding to uncertainti

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P. K. KINGRA and R. K. MAHEY. "Comparative evaluation of different methods to compute evapotranspiration at different phenological stages in wheat." Journal of Agrometeorology 11, no. 2 (2009): 102–8. http://dx.doi.org/10.54386/jam.v11i2.1234.

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Evapotranspiration of wheat crop was estimated using different methods viz. lysimeter, USDA Open pan evaporimeter, empirical methods, combination approach and soil water evaporation model. The field experiment was conducted during rabi 2006-07 and 2007-08 with two weighing type lysimeters located at the research farm, Punjab Agricultural University, Ludhiana. Among different methods of ET estimation, Papadakis method computed highest rate of PET followed by Hamon and modified Penman method whereas modified soil evaporation model, Thornthwaite, Blaney-Criddle and Stephans & Stewart methods

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17

Sanches, Arthur C., Débora P. de Souza, Fernando C. Mendonça, and Rodolfo G. Maffei. "Construction and calibration of weighing lysimeters with an automated drainage system." Revista Brasileira de Engenharia Agrícola e Ambiental 21, no. 7 (2017): 505–9. http://dx.doi.org/10.1590/1807-1929/agriambi.v21n7p505-509.

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ABSTRACT Quantification of the drained volume is one of the difficulties involved in using weighing lysimeters. Typically, this volume is measured by accessing a moat at the base of a lysimeter. However, it is not feasible to install the moat in small devices. Thus, the aim of this study involves developing, installing, calibrating, and checking the efficiency of small weighing lysimeters with automated drainage systems to test their functionality in field conditions. Each lysimeter is composed of a round PVC water tank with a diameter of 1.22 m and a depth of 0.58 m that is placed over a meta

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Titus, B. D., D. G. O. Kingston, C. M. Pitt, and M. K. Mahendrappa. "A lysimeter system for monitoring soil solution chemistry." Canadian Journal of Soil Science 80, no. 1 (2000): 219–26. http://dx.doi.org/10.4141/s99-018.

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In northern temperate and boreal zones, long-term sampling of the soil solution using lysimeter systems requires (i) a lysimeter that can be installed with a minimum of soil disturbance, (ii) a lysimeter that is small enough to install in stony soil but large enough to representatively sample the soil solution, (iii) a system with a constant tension that integrates soil solution sample collection over time, and (iv) a system that will not break under freezing conditions. A lysimeter system that meets these requirements was designed, and consists of a lysimeter (a fritted glass plate mounted on

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Evett, Steven R., Gary W. Marek, Paul D. Colaizzi, Brice B. Ruthardt, and Karen S. Copeland. "A Subsurface Drip Irrigation System for Weighing Lysimetry." Applied Engineering in Agriculture 34, no. 1 (2018): 213–21. http://dx.doi.org/10.13031/aea.12597.

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Abstract. Large, precision weighing lysimeters can have accuracies as good as 0.04 mm equivalent depth of water, adequate for hourly and even half-hourly determinations of evapotranspiration (ET) rate from crops. Such data are important for testing and improving simulation models of the complex interactions of surface water and energy balances, soil physics, plant growth, and biophysics that determine crop ET in response to rapid microclimate dynamics. When crops are irrigated with sprinkler systems or other rapid additions of water, the irrigation event is typically short enough that not much

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Acharya, Bibek, Vivek Sharma, Charles Barrett, Michael D. Dukes, and Lincoln Zotarelli. "Comparing Passive Wick Lysimeter Against Soil Water Balance and Simulation Models in High and Perched Water Tables and Coarse Sandy Soils." Journal of Natural Resources and Agricultural Ecosystems 3, no. 1 (2025): 37–52. https://doi.org/10.13031/jnrae.16188.

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HighlightsPassive wick lysimeter performance was tested against soil water balance and simulation models under high and perched water table conditions.Passive wick lysimeters overestimated deep drainage as compared to soil water balance and simulation models.Lysimeter data inflated NO3-N leachate estimates, questioning the reliability in similar field conditions.The out-row placed lysimeters recorded higher drainage volumes than in-row placed.Abstract. Understanding soil water and nutrient dynamics is pivotal for agricultural and environmental research, particularly the accurate measurement of

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Wegehenkel, Martin, and Horst H. Gerke. "Water table effects on measured and simulated fluxes in weighing lysimeters for differently-textured soils." Journal of Hydrology and Hydromechanics 63, no. 1 (2015): 82–92. http://dx.doi.org/10.1515/johh-2015-0004.

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Abstract Weighing lysimeters can be used for studying the soil water balance and to analyse evapotranspiration (ET). However, not clear was the impact of the bottom boundary condition on lysimeter results and soil water movement. The objective was to analyse bottom boundary effects on the soil water balance. This analysis was carried out for lysimeters filled with fine- and coarse-textured soil monoliths by comparing simulated and measured data for lysimeters with a higher and a lower water table. The eight weighable lysimeters had a 1 m2 grass-covered surface and a depth of 1.5 m. The lysimet

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Stanley, C. D., G. A. Clark, E. E. Albregts, and F. S. Zazueta. "USE OF FIELD-LOCATED DRAINAGE LYSIMETERS FOR THE DETERMINATION OF STRAWBERRY WATER REQUIREMENTS." HortScience 25, no. 9 (1990): 1097d—1097. http://dx.doi.org/10.21273/hortsci.25.9.1097d.

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Sixteen field-located drainage lysimeters (each 60 cm wide, 2.44 m long, 60 cm deep) designed specifically for determination of water requirements for fruiting strawberry production (season - Oct to April) were installed in 1986. Each lysimeter was equipped with individual micro-irrigation and drainage collection systems automated for minimal management input. Initially, computer control (using a low-cost microcomputer) was used to continuously check switching-tensiometers located in each lysimeter and apply irrigation water as needed, A drainage suction (-10 MPa) was applied continuously to s

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Tall, Andrej, Branislav Kandra, Dana Pavelková, Sascha Reth, and Milan Gomboš. "Evaluation of precipitation measurements using a standard rain gauge in relation to data from a precision lysimeter." Journal of Hydrology and Hydromechanics 71, no. 4 (2023): 413–24. http://dx.doi.org/10.2478/johh-2023-0024.

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Abstract The construction of modern lysimeters with a precise weighing system made it possible to achieve an unprecedented accuracy of precipitation measurement. This study compares two methods of measuring precipitation in the conditions of the humid continental climate of the Eastern Slovakian Lowland (Slovakia): measurement using a standard tipping-bucket rain gauge vs. precision weighable lysimeter. Data from the lysimeter were used as a reference measurement. The comparison period lasted four years (2019–2022). Only liquid rainfall was compared. The rain gauge was found to underestimate p

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GOYAL, POOJA, RAKESH SHARDA, MUKESH SIAG, and K. G. SINGH. "Development of an IoT based weighing type micro-lysimeter for soilless cultivation." Indian Journal of Agricultural Sciences 90, no. 10 (2020): 1980–87. http://dx.doi.org/10.56093/ijas.v90i10.107978.

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In the present study, an attempt has been made to apply Internet of Things (IoT) for precise irrigation management. A weighing type micro-lysimeter based on IoT was developed to measure the amount of water consumed by the cucumber crop grown in soilless media under naturally ventilated greenhouse conditions at the Research Farm of Punjab Agricultural University, India. The developed system consisted of two components, i.e. hardware assembly and web-based application. The hardware assembly consists of load cells, a weight sensing module, i.e. HX711 module and a micro controller, i.e. arduino as

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Dabrowska, Dominika, and Wojciech Rykala. "A Review of Lysimeter Experiments Carried Out on Municipal Landfill Waste." Toxics 9, no. 2 (2021): 26. http://dx.doi.org/10.3390/toxics9020026.

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The groundwater risk assessment in the vicinity of landfill sites requires, among others, representative monitoring and testing for pollutants leaching from the waste. Lysimeter studies can serve as an example of dynamic leaching tests. However, due to the bacteriological composition of the municipal waste, they are rarely carried out. These tests allow for the proper design of the landfill protection system against migration of pollutants into the ground, assessment of bacteriological, biochemical and chemical risk for the groundwater, determination of the water balance of leachate as well as

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Rücker, Andrea, Massimiliano Zappa, Stefan Boss, and Jana von Freyberg. "An Optimized Snowmelt Lysimeter System for Monitoring Melt Rates and Collecting Samples for Stable Water Isotope Analysis." Journal of Hydrology and Hydromechanics 67, no. 1 (2019): 20–31. http://dx.doi.org/10.2478/johh-2018-0007.

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Abstract The contribution of snow meltwater to catchment streamflow can be quantified through hydrograph separation analyses for which stable water isotopes (18O, 2H) are used as environmental tracers. For this, the spatial and temporal variability of the isotopic composition of meltwater needs to be captured by the sampling method. This study compares an optimized snowmelt lysimeter system and an unheated precipitation collector with focus on their ability to capture snowmelt rates and the isotopic composition of snowmelt. The snowmelt lysimeter system consists of three individual unenclosed

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27

Meissner, R., J. Seeger, H. Rupp, and H. Balla. "Assessing the impact of agricultural land use changes on water quality." Water Science and Technology 40, no. 2 (1999): 1–10. http://dx.doi.org/10.2166/wst.1999.0072.

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To study and predict environmental impacts of land use changes on water quality we conducted different types of lysimeter experiments. All of them are linked to representative experimental catchment areas in the field. This allows the verification and extrapolation of lysimeter results. The objective of this paper is to discuss a strategy for using and scaling-up of lysimeter results to a field and catchment scale. It will be shown that the N-loss determined with lysimeters falls within the variation of N-balance based model calculations, and also within ground water recharge rates calculated

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Kolupaeva, Victoria N., Ann А. Kokoreva, Alexandra A. Belik, and Pavel A. Pletenev. "Study of the behavior of the new insecticide cyantraniliprole in large lysimeters of the Moscow State University." Open Agriculture 4, no. 1 (2019): 599–607. http://dx.doi.org/10.1515/opag-2019-0057.

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AbstractThe behaviour of cyantraniliprole was studied in a lysimetric experiment. The experiment was carried out at the lysimeters of the Soil Research Station of Moscow State University from June 2015 to December 2018. The soil of lysimeter is soddy-podzolic silt loam. The insecticide was applied at the recommended and tenfold rates in 2015 and 2016. The maximum depth of migration of cyantraniliprole in the soil profile was 35 cm in October 2015 and 40 cm in October 2016. Cyantraniliprole was found in the leachate of lysimeter water 2 weeks after its first application in 2015 and continued un

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Salgado, M., M. T. Collins, F. Salazar, et al. "Fate ofMycobacterium aviumsubsp.paratuberculosisafter Application of Contaminated Dairy Cattle Manure to Agricultural Soils." Applied and Environmental Microbiology 77, no. 6 (2011): 2122–29. http://dx.doi.org/10.1128/aem.02103-10.

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ABSTRACTDetails regarding the fate ofMycobacterium aviumsubsp.paratuberculosis(basonym,Mycobacterium paratuberculosis) after manure application on grassland are unknown. To evaluate this, intact soil columns were collected in plastic pipes (lysimeters) and placed under controlled conditions to test the effect of a loamy or sandy soil composition and the amount of rainfall on the fate ofM. paratuberculosisapplied to the soil surface with manure slurry. The experiment was organized as a randomized design with two factors and three replicates.M. paratuberculosis-contaminated manure was spread on

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Dlamini, P., I. B. Ukoh, L. D. van Rensburg, and C. C. du Preez. "Reduction of evaporation from bare soil using plastic and gravel mulches and assessment of gravel mulch for partitioning evapotranspiration under irrigated canola." Soil Research 55, no. 3 (2017): 222. http://dx.doi.org/10.1071/sr16098.

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Partitioning of evapotranspiration (ET) into its components of evaporation (E) and transpiration (T) is difficult, yet important for managing unproductive and productive water losses under irrigated agriculture. A lysimeter experiment (Expt 1) was conducted on sandy Clovelly and sandy loam Bainsvlei soils in Bloemfontein, South Africa where plastic sheet and dolerite gravel mulches were applied to lysimeters to determine to what extent they restricted E from the soil surface compared with a bare soil control. No crops were grown in the lysimeters for Expt 1. Gravel mulch on Clovelly-filled lys

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Nicolás-Cuevas, Juan Antonio, Dolores Parras-Burgos, Manuel Soler-Méndez, Antonio Ruiz-Canales, and José Miguel Molina-Martínez. "Removable Weighing Lysimeter for Use in Horticultural Crops." Applied Sciences 10, no. 14 (2020): 4865. http://dx.doi.org/10.3390/app10144865.

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Water resources management is a priority issue in agriculture, especially in areas with water supply problems. Recently, one of the most widespread technologies for measuring crop water requirements are weighing lysimeters. Nevertheless, this type of lysimeters are of large dimensions and require a civil work for their installation. In this article, we present a weighing lysimeter prototype (1000 × 600 mm and 350 mm depth) designed to be used in agricultural farming of horticultural crops. We described the design details that includes ease of assembly, carriage and minimum soil alteration. Str

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32

Sagar, Atish, Murtaza Hasan, Dhirendra Kumar Singh, et al. "Development of Smart Weighing Lysimeter for Measuring Evapotranspiration and Developing Crop Coefficient for Greenhouse Chrysanthemum." Sensors 22, no. 16 (2022): 6239. http://dx.doi.org/10.3390/s22166239.

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The management of water resources is a priority problem in agriculture, especially in areas with a limited water supply. The determination of crop water requirements and crop coefficient (Kc) of agricultural crops helps to create an appropriate irrigation schedule for the effective management of irrigation water. A portable smart weighing lysimeter (1000 × 1000 mm and 600 mm depth) was developed at CPCT, IARI, New Delhi for real-time measurement of Crop Coefficient (Kc) and water requirement of chrysanthemum crop and bulk data storage. The paper discusses the assembly, structural and operation

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Berisford, Yvette C., Parshall B. Bush, and John W. Taylor. "Leaching and persistence of herbicides for kudzu (Pueraria montana) control on pine regeneration sites." Weed Science 54, no. 02 (2006): 391–400. http://dx.doi.org/10.1614/ws-04-094r2.1.

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Clopyralid, picloram, triclopyr, metsulfuron, and tebuthiuron were applied to control kudzu on four loblolly pine forest regeneration sites during July 1997. Spot treatments were applied to recovering kudzu in June 1998 and June 1999. Soil leachate was monitored for these five herbicides from July 1997 to December 2000. All herbicides were detected in shallow (51–58 cm deep) and deep lysimeters (84–109 cm deep). Clopyralid was not persistent and limited leaching occurred, with residue levels of 0.4 to 2.8 μg L−1in 12 of 102 deep lysimeter samples. Picloram was mobile and persisted at 0.6 to 2.

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HOWITT, R. W., and S. PAWLUK. "THE GENESIS OF A GRAY LUVISOL WITHIN THE BOREAL FOREST REGION. II. DYNAMIC PEDOLOGY." Canadian Journal of Soil Science 65, no. 1 (1985): 9–19. http://dx.doi.org/10.4141/cjss85-002.

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An undisturbed site under forest cover near Breton, Alberta, was chosen to study the dynamics of a Gray Luvisol. Soil moisture and temperature were monitored at selected depths over a 2-yr study period. Canopy drip collectors and gravity lysimeters were used to study soil solution transport and the process of lessivage. The order of cation concentration for canopy drip, LFH and Ae lysimeter samples was K+ > Ca++ > Na+ > Mg++. The lysimeter samples from the Bt showed Na+ > Ca++ > K+ > Mg++. Lysimeter studies further indicated that micaceous clays were being illuviated into the

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Melo, Talyana K. de, José F. de Medeiros, José E. Sobrinho, Vladimir B. Figueiredo, and Paulo S. de Souza. "Evapotranspiration and crop coefficients of melon plants measured by lysimeter and estimated according to FAO 56 methodology." Engenharia Agrícola 33, no. 5 (2013): 929–39. http://dx.doi.org/10.1590/s0100-69162013000500005.

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Aiming at contributing to an adequate management of water resources, this study aimed to analyze and compare evapotranspiration (ETc) and crop coefficients (Kc) of melon plants measured by a lysimeter and estimated according to the FAO 56 methodology, in the city of Mossoró, state of Rio Grande do Norte (RN), Brazil. In order to measure ETc, weighing lysimeters with an area of 2.25m² were used, with two repetitions. The Penman-Monteith equation parameterized by FAO was used to estimate the reference evapotranspiration, and crop coefficients were those recommended in FAO-56 Bulletin adjusted to

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Du, L., C. W. Cuss, M. F. Dyck, T. Noernberg та W. Shotyk. "Size-resolved analysis of trace elements in the dissolved fraction (<0.45 μm) of soil solutions using a novel lysimeter and asymmetrical flow field-flow fractionation coupled to ultraviolet absorbance and inductively coupled plasma mass spectrometry". Canadian Journal of Soil Science 100, № 4 (2020): 381–92. http://dx.doi.org/10.1139/cjss-2019-0165.

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The distributions of dissolved (<0.45 μm) trace elements (TEs) amongst major colloidal forms in soils have implications for their availability, accessibility, and toxicity to plants and animals. The size-resolved distributions of TE species in soil solutions were collected using lysimeters and were measured using asymmetrical flow field-flow fractionation (AF4) coupled to ultraviolet absorbance (UV) and inductively coupled plasma mass spectrometry (ICP-MS). Using this AF4-UV-ICPMS system, dissolved TEs were separated by size, and concentrations in major forms were quantified: “truly dissolv

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Zhang, Huihui, Robert Wayne Malone, Liwang Ma, et al. "Modeling Evapotranspiration and Crop Growth of Irrigated and Non-Irrigated Corn in the Texas High Plains Using RZWQM." Transactions of the ASABE 61, no. 5 (2018): 1653–66. http://dx.doi.org/10.13031/trans.12838.

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Abstract. Accurate quantification and management of crop evapotranspiration (ET) are critical to optimizing crop water productivity for both dryland and irrigated agriculture, especially in the semiarid regions of the world. In this study, four weighing lysimeters in Bushland, Texas, were planted to maize in 1994 with two fully irrigated and two non-irrigated for measuring crop ET. The Root Zone Water Quality Model (RZWQM2) was used to evaluate soil water balance and crop production with potential evapotranspiration (PET) estimated from either the Shuttleworth-Wallace method (PTSW) or the ASCE

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León, Juan, Vicente Parra, Robinson Peña, Juan Silva, Daniel Román, and Francisco Salazar. "Design, installation and calibration of a block of lysimeters to adjust the crop coefficient." Revista de la Facultad de Agronomía, Universidad del Zulia 39, no. 2 (2022): e223926. http://dx.doi.org/10.47280/revfacagron(luz).v39.n2.04.

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The efficient management of water resources using techniques that improve it uses, based on knowledge of evapotranspiration are key elements for crop production. Amongst main techniques for water management, the use of drainage lysimeter installed in the field below vegetable fields may be used to quantify the amount of water needed. The aim of this work is to design, install and calibrate a set of lysimeters for adjusting crop coefficient (Kc). In the calibration of the lysimeters, it was obtained that to induce drainage in lysimeters from one to five, an over-irrigation of 25% of the field c

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Piccinni, Giovanni, Jonghan Ko, Thomas Marek, and Daniel I. Leskovar. "Crop Coefficients Specific to Multiple Phenological Stages for Evapotranspiration-based Irrigation Management of Onion and Spinach." HortScience 44, no. 2 (2009): 421–25. http://dx.doi.org/10.21273/hortsci.44.2.421.

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Weighing lysimeters are used to measure crop water use during the growing season. By relating the water use of a specific crop to a well-watered reference crop such as grass, crop coefficients (KC) can be developed to assist in predicting crop needs using meteorological data available from weather stations. This research was conducted to determine growth stage-specific KC and crop water use for onions (Allium cepa L.) and spinach (Spinacia oleracea L.) grown under south Texas conditions. Seven lysimeters, consisting of undisturbed 1.5 × 2.0 × 2.2-m deep soil monoliths, comprise the Texas AgriL

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Matse, Dumsane Themba, Paramsothy Jeyakumar, Peter Bishop, and Christopher W. N. Anderson. "Nitrate Leaching Mitigation Options in Two Dairy Pastoral Soils and Climatic Conditions in New Zealand." Plants 11, no. 18 (2022): 2430. http://dx.doi.org/10.3390/plants11182430.

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This lysimeter study investigated the effect of late-autumn application of dicyandiamide (DCD), co-poly acrylic-maleic acid (PA-MA), calcium lignosulphonate (LS), a split-application of calcium lignosulphonate (2LS), and a combination of gibberellic acid (GA) and LS (GA + LS) to reduce N leaching losses during May 2020 to December 2020 in lysimeter field sites in Manawatu (Orthic Pumice soil) and Canterbury (Pallic Orthic Brown soil), New Zealand. In a second application, urine-only, GA only and GA + LS treatments were applied during July 2020 in mid-winter on both sites. Results showed that l

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Scheiber, S. M., and Richard C. Beeson,. "Landscape Growth and Aesthetic Quality of Coleus Managed with Irrigation Deficits." HortTechnology 17, no. 4 (2007): 561–66. http://dx.doi.org/10.21273/horttech.17.4.561.

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Previous research indicated that bedding plants can be maintained in landscape soils allowed to dry to substantially less than field capacity before irrigation; however, canopy size and aesthetic quality were compromised. Continuing this research, ‘Yalaha’ coleus (Solenostemon scutellarioides) were grown in drainage lysimeters in an open-sided clear polyethylene-covered shelter and a companion uncovered field plot to assess growth characteristics and landscape quality when irrigated at various managed allowable deficits. Using tensiometers, plants were irrigated back to field capacity when pla

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Leake, Christopher R. "Lysimeter studies." Pesticide Science 31, no. 3 (1991): 363–73. http://dx.doi.org/10.1002/ps.2780310310.

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Moorhead, Jerry, Gary Marek, Prasanna Gowda, et al. "Evaluation of Evapotranspiration from Eddy Covariance Using Large Weighing Lysimeters." Agronomy 9, no. 2 (2019): 99. http://dx.doi.org/10.3390/agronomy9020099.

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Evapotranspiration (ET) is an important component in the water budget and used extensively in water resources management such as water planning and irrigation scheduling. In semi-arid regions, irrigation is used to supplement limited and erratic growing season rainfall to meet crop water demand. Although lysimetery is considered the most accurate method for crop water use measurements, high-precision weighing lysimeters are expensive to build and operate. Alternatively, other measurement systems such as eddy covariance (EC) are being used to estimate crop water use. However, due to numerous ex

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SILVA, GERLANGE SOARES DA, FRANCISCO ADRIANO DE CARVALHO PEREIRA, RODRIGO ALMEIDA SANTANA, THAÍS NASCIMENTO MENESES, OSWALDO PALMA LOPES SOBRINHO, and ALEX SANTANA DO ROSARIO. "CALIBRATION OF A WEIGHING LYSIMETER FOR MEASURING COCOA EVAPOTRANSPIRATION." Revista Caatinga 33, no. 3 (2020): 803–14. http://dx.doi.org/10.1590/1983-21252020v33n324rc.

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ABSTRACT Well-operated and calibrated weighing lysimeters reliably determine the water demand of agricultural crops, and the quality of the data is evaluated through the error analyses attributed to the instrument. The objective of this study was to determine performance parameters of a weighing lysimeter and to evaluate its adequacy for the direct determination of cocoa crop evapotranspiration. The lysimeter with 1.44 m2 surface, supported on four load cells installed in the experimental area of the Graduate Program in Agricultural Engineering of the Universidade Federal do Recôncavo da Bahia

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Paulus, Sinikka J., Rene Orth, Sung-Ching Lee, et al. "Interpretability of negative latent heat fluxes from eddy covariance measurements in dry conditions." Biogeosciences 21, no. 8 (2024): 2051–85. http://dx.doi.org/10.5194/bg-21-2051-2024.

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Abstract. It is known from arid and semi-arid ecosystems that atmospheric water vapor can directly be adsorbed by the soil matrix. Soil water vapor adsorption was typically neglected and only recently received attention because of improvements in measurement techniques. One technique rarely explored for the measurement of soil water vapor adsorption is eddy covariance (EC). Soil water vapor adsorption may be detectable as downwardly directed (i.e., negative) EC latent heat (λE) flux measurements under dry conditions, but a systematic assessment of the use of negative λE fluxes from EC flux sta

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Shahrajabian, M. H., A. Soleymani, P. O. Ogbaji, and X. Xue. "Impact of Different Irrigation Managements on Soil Water Consumption, Grain Yield, Seed Protein, Phosphorus and Potassium of Winter Wheat." Cercetari Agronomice in Moldova 50, no. 3 (2017): 5–13. http://dx.doi.org/10.1515/cerce-2017-0021.

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Abstract To evaluate soil water consumption, changes in quantity and quality of winter wheat seed and forage under different irrigation treatments, an experiment was conducted in Beijing, China, in the 2012-2013. Irrigation treatments were (I1): irrigation before sowing, (I2): irrigation before sowing + before freezing; (I3): irrigation before sowing + before freezing + irrigation in the beginning of erecting stage + irrigation at flowering stage; (I4): irrigation before sowing + irrigation before freezing + irrigation at the booting stage + irrigation at flowering stage. The laid out of exper

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Payero, José O. "An Effective and Affordable Internet of Things (IoT) Scale System to Measure Crop Water Use." AgriEngineering 6, no. 1 (2024): 823–40. http://dx.doi.org/10.3390/agriengineering6010047.

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Scales are widely used in many agricultural applications, ranging from weighing crops at harvest to determine crop yields to regularly weighing animals to determine growth rate. In agricultural research applications, there is a long history of measuring crop water use (evapotranspiration [ET]) using a particular type of scale called weighing lysimeters. Typically, weighing lysimeters require very accurate data logging systems that tend to be expensive. Recent developments in open-source technologies, such as micro-controllers and Internet of Things (IoT) platforms, have created opportunities f

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Schnepper, Tobias, Jannis Groh, Horst H. Gerke, Barbara Reichert, and Thomas Pütz. "Evaluation of precipitation measurement methods using data from a precision lysimeter network." Hydrology and Earth System Sciences 27, no. 17 (2023): 3265–92. http://dx.doi.org/10.5194/hess-27-3265-2023.

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Abstract. Accurate precipitation data are essential for assessing the water balance of ecosystems. Methods for point precipitation determination are influenced by wind, precipitation type and intensity and/or technical issues. High-precision weighable lysimeters provide precipitation measurements at ground level that are less affected by wind disturbances and are assumed to be relatively close to actual precipitation. The problem in previous studies was that the biases in precipitation data introduced by different precipitation measurement methods were not comprehensively compared with and qua

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Wegehenkel, Martin, and Horst H. Gerke. "Comparison of real evapotranspiration measured by weighing lysimeters with simulations based on the Penman formula and a crop growth model." Journal of Hydrology and Hydromechanics 61, no. 2 (2013): 161–72. http://dx.doi.org/10.2478/johh-2013-0021.

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Abstract Although the quantification of real evapotranspiration (ETr) is a prerequisite for an appropriate estimation of the water balance, precision and uncertainty of such a quantification are often unknown. In our study, we tested a combined growth and soil water balance model for analysing the temporal dynamics of ETr. Simulated ETr, soil water storage and drainage rates were compared with those measured by 8 grass-covered weighable lysimeters for a 3-year period (January 1, 1996 to December 31, 1998). For the simulations, a soil water balance model based on the Darcy-equation and a physio

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Baalousha, Husam Musa, Fanilo Ramasomanana, Marwan Fahs, and Thomas Daniel Seers. "Measuring and Validating the Actual Evaporation and Soil Moisture Dynamic in Arid Regions under Unirrigated Land Using Smart Field Lysimeters and Numerical Modeling." Water 14, no. 18 (2022): 2787. http://dx.doi.org/10.3390/w14182787.

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Though forming a fundamental component of the water budget, soil evaporation is challenging to quantify in practice. Most water balance and soil moisture studies rely on pan evaporation or empirical relations to calculate evaporation, which is later used for water budget estimation. This study is based on the in situ measurement of soil evaporation in arid regions using smart field lysimeters. These lysimeters calculate the actual evaporation and downward leakage within the soil column using changes in weight, in addition to measuring temperature, soil moisture, soil matric potential, and othe

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