Urs Schmidhalter

发表

Use of a digital camera as alternative method for non-destructive detection of the leaf chlorophyll content and the nitrogen nutrition status in wheat

Jörg Peter Baresel, Pablo Rischbeck, Yuncai Hu, 2017, Comput. Electron. Agric..

Comparison of the EM38 and EM38-MK2 electromagnetic induction-based sensors for spatial soil analysis at field scale

Urs Schmidhalter, Kurt Heil, U. Schmidhalter, 2015, Comput. Electron. Agric..

Digital Counts of Maize Plants by Unmanned Aerial Vehicles (UAVs)

Urs Schmidhalter, Friederike Gnädinger, U. Schmidhalter, 2017, Remote. Sens..

High-Throughput Phenotyping of Wheat and Barley Plants Grown in Single or Few Rows in Small Plots Using Active and Passive Spectral Proximal Sensing

Gero Barmeier, Urs Schmidhalter, U. Schmidhalter, 2016, Sensors.

The performance of active spectral reflectance sensors as influenced by measuring distance, device temperature and light intensity

Sebastian Kipp, Bodo Mistele, Urs Schmidhalter, 2014 .

The Application of EM38: Determination of Soil Parameters, Selection of Soil Sampling Points and Use in Agriculture and Archaeology

Urs Schmidhalter, Kurt Heil, U. Schmidhalter, 2017, Sensors.

Soil resource mapping for precision farming using remote sensing

Urs Schmidhalter, T. Selige, 2001, IGARSS 2001. Scanning the Present and Resolving the Future. Proceedings. IEEE 2001 International Geoscience and Remote Sensing Symposium (Cat. No.01CH37217).

Sensitivity of Vegetation Indices for Estimating Vegetative N Status in Winter Wheat

Urs Schmidhalter, Lukas Prey, U. Schmidhalter, 2019, Sensors.

Advancing High-Throughput Phenotyping of Wheat in Early Selection Cycles

Yuncai Hu, Urs Schmidhalter, Samuel Knapp, 2020, Remote. Sens..

Passive reflectance sensing using optimized two- and three-band spectral indices for quantifying the total nitrogen yield of maize

Yuncai Hu, Urs Schmidhalter, Fei Li, 2020, Comput. Electron. Agric..

Theory and Guidelines for the Application of the Geophysical Sensor EM38

Urs Schmidhalter, Kurt Heil, U. Schmidhalter, 2019, Sensors.

Multi-temporal Crop Type and Field Boundary Classification with Google Earth Engine

Urs Schmidhalter, Michael Marszalek, Marco Körner, 2020 .

Temporal and Spectral Optimization of Vegetation Indices for Estimating Grain Nitrogen Uptake and Late-Seasonal Nitrogen Traits in Wheat

Urs Schmidhalter, Lukas Prey, U. Schmidhalter, 2019, Sensors.

Characterisation of soil texture variability using the apparent soil electrical conductivity at a highly variable site

Urs Schmidhalter, Kurt Heil, U. Schmidhalter, 2012, Comput. Geosci..

Evaluating RGB Imaging and Multispectral Active and Hyperspectral Passive Sensing for Assessing Early Plant Vigor in Winter Wheat

Urs Schmidhalter, Lukas Prey, Malte von Bloh, 2018, Sensors.

Using optimized three-band spectral indices to assess canopy N uptake in corn and wheat

Yuncai Hu, Urs Schmidhalter, Salah Elsayed, 2021, European Journal of Agronomy.

Effect of Time of Day and Sky Conditions on Different Vegetation Indices Calculated from Active and Passive Sensors and Images Taken from UAV

Urs Schmidhalter, Kurt Heil, Francisco M. Padilla, 2021, Remote. Sens..

Estimating the Leaf Water Status and Grain Yield of Wheat under Different Irrigation Regimes Using Optimized Two- and Three-Band Hyperspectral Indices and Multivariate Regression Models

Urs Schmidhalter, Salah El-Hendawy, Salah Elsayed, 2021, Water.

An Evaluation of Different NIR-Spectral Pre-Treatments to Derive the Soil Parameters C and N of a Humus-Clay-Rich Soil

Urs Schmidhalter, Kurt Heil, 2021, Sensors.

High-Throughput Field Phenotyping of Leaves, Leaf Sheaths, Culms and Ears of Spring Barley Cultivars at Anthesis and Dough Ripeness

Gero Barmeier, Urs Schmidhalter, U. Schmidhalter, 2017, Front. Plant Sci..

High-throughput phenotyping early plant vigour of winter wheat

Sebastian Kipp, Bodo Mistele, Urs Schmidhalter, 2014 .

A Comparison of Plant Temperatures as Measured by Thermal Imaging and Infrared Thermometry: Thermal Imaging and IR Thermometry

Jörg Peter Baresel, Yuncai Hu, Bodo Mistele, 2012 .

Using Discriminant Analysis and Logistic Regression in Mapping Quaternary Sediments

Urs Schmidhalter, Kurt Heil, U. Schmidhalter, 2014, Mathematical Geosciences.

High throughput phenotyping of canopy water mass and canopy temperature in well-watered and drought stressed tropical maize hybrids in the vegetative stage

Bodo Mistele, Urs Schmidhalter, B. Mistele, 2011 .

Field calibration of a capacitance soil water probe in heterogeneous fields

Martin Bachmaier, Urs Schmidhalter, Dieter Geesing, 2004 .

Laser-induced chlorophyll fluorescence sensing to determine biomass and nitrogen uptake of winter wheat under controlled environment and field conditions.

C. Bredemeier, Urs Schmidhalter, J. Stafford, 2005 .

Influence of ambient light and temperature on laser-induced chlorophyll fluorescence measurements

Urs Schmidhalter, U. Schmidhalter, P. Thorén, 2010 .

Thermal imaging and passive reflectance sensing to estimate the water status and grain yield of wheat under different irrigation regimes

Urs Schmidhalter, Salah Elsayed, Yaser Hassan Dewir, 2017 .

Optimizing the Nitrogen Management Strategy for Winter Wheat in the North China Plain Using Rapid Soil and Plant Nitrogen Measurements

Yuncai Hu, Urs Schmidhalter, Yuncai Hu, 2019, Communications in Soil Science and Plant Analysis.

Estimating growth and photosynthetic properties of wheat grown in simulated saline field conditions using hyperspectral reflectance sensing and multivariate analysis

Urs Schmidhalter, Majed A. Alotaibi, Majed Alotaibi, 2019, Scientific Reports.

Evaluation of active and passive sensor systems in the field to phenotype maize hybrids with high-throughput

Bodo Mistele, Urs Schmidhalter, B. Mistele, 2013 .

Short-term effects of drought and salinity on mineral nutrient distribution along growing leaves of maize seedlings

Yuncai Hu, Urs Schmidhalter, Yuncai Hu, 2007 .

Mid-season prediction of grain yield and protein content of spring barley cultivars using high-throughput spectral sensing

Gero Barmeier, Urs Schmidhalter, Katharina Hofer, 2017 .

Estimating soil moisture distribution for crop management with capacitance probes, EM-38 and digital terrain analysis

Urs Schmidhalter, R. Gebbers, J. Bobert, 2001 .

Tractor‐Based Quadrilateral Spectral Reflectance Measurements to Detect Biomass and Total Aerial Nitrogen in Winter Wheat

Bodo Mistele, Urs Schmidhalter, B. Mistele, 2010 .

Yield potentials of sub-units within fields as a key input for crop management in precision agriculture

Urs Schmidhalter, J. Kühn, E. Reining, 2002 .

The gradient between pre-dawn rhizoplane and bulk soil matric potentials, and its relation to the pre-dawn root and leaf water potentials of four species

Urs Schmidhalter, U. Schmidhalter, 1997 .

Investigation of deficit irrigation strategies combining SVAT-modeling, optimization and experiments

Niels Schütze, Urs Schmidhalter, Jens Grundmann, 2014, Environmental Earth Sciences.

Comparing hyperspectral index optimization algorithms to estimate aerial N uptake using multi-temporal winter wheat datasets from contrasting climatic and geographic zones in China and Germany

Fei Li, Yuncai Hu, Bodo Mistele, 2013 .

Passive reflectance sensing and digital image analysis for assessing quality parameters of mango fruits

Urs Schmidhalter, Aida M Allam, Salah Elsayed, 2016 .

Effect of salinity on tissue architecture in expanding wheat leaves

Yuncai Hu, Urs Schmidhalter, Jörg Fromm, 2005, Planta.

Strategies for site-specific nitrogen fertilization with respect to long-term environmental demands.

Urs Schmidhalter, J. Stafford, U. Hege, 2003 .

Field-scale validation of a tractor based multispectral crop scanner to determine biomass and nitrogen uptake of winter wheat

C. Bredemeier, Bodo Mistele, Urs Schmidhalter, 2003 .

EVALUATION OF THE TRANSFERABILITY OF A SVAT MODEL––RESULTS FROM FIELD AND GREENHOUSE APPLICATIONS

Niels Schütze, Urs Schmidhalter, Sabine Walser, 2011 .

Assessing the vertical footprint of reflectance measurements to characterize nitrogen uptake and biomass distribution in maize canopies

Bodo Mistele, Urs Schmidhalter, B. Mistele, 2012 .

Validation of field-scaled spectral measurements of the nitrogen status in winter wheat.

Bodo Mistele, Urs Schmidhalter, B. Mistele, 2004 .

Spectral assessment of drought tolerance indices and grain yield in advanced spring wheat lines grown under full and limited water irrigation

Urs Schmidhalter, Salah El-Hendawy, Nasser Al-Suhaibani, 2017 .

Referencing laser and ultrasonic height measurements of barley cultivars by using a herbometre as standard

Gero Barmeier, Bodo Mistele, Urs Schmidhalter, 2016, Crop and Pasture Science.

Reflectance estimation of canopy nitrogen content in winter wheat using optimised hyperspectral spectral indices and partial least squares regression

Fei Li, Yuncai Hu, Bodo Mistele, 2014 .

Evaluation of Yield and Drought Using Active and Passive Spectral Sensing Systems at the Reproductive Stage in Wheat

Urs Schmidhalter, U. Schmidhalter, Elisabeth Becker, 2017, Front. Plant Sci..

The potential for online monitoring of short-term process dynamics in anaerobic digestion using near-infrared spectroscopy

Andreas Gronauer, Urs Schmidhalter, H. Heuwinkel, 2013 .

Data fusion of spectral, thermal and canopy height parameters for improved yield prediction of drought stressed spring barley

Pablo Rischbeck, Gero Barmeier, Bodo Mistele, 2016 .

Nitrogen status and biomass determination of oilseed rape by laser-induced chlorophyll fluorescence

Urs Schmidhalter, U. Schmidhalter, Doreen Thoren, 2009 .

Evaluation of Both SPAD Reading and SPAD Index on Estimating the Plant Nitrogen Status of Winter Wheat

Yuncai Hu, Urs Schmidhalter, Yuncai Hu, 2020, International Journal of Plant Production.

Transfer of a near infrared spectroscopy laboratory application to an online process analyser for in situ monitoring of anaerobic digestion.

Andreas Gronauer, Urs Schmidhalter, Hauke Heuwinkel, 2013, Bioresource technology.