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Ensemble machine-learning-based framework for estimating total nitrogen concentration in water using drone-borne hyperspectral imagery of emergent plants: A case study in an arid oasis, NW China
Water resources Remote sensing Total nitrogen Hyperspectral imagery Machine learning Bootstrap
2023/12/19
In arid and semi-arid regions, water-quality problems are crucial to local social demand and human well-being. However, the conventional remote sensing-based direct detection of water quality paramete...
COMPARING BROAD-BAND AND RED EDGE-BASED SPECTRAL VEGETATION INDICES TO ESTIMATE NITROGEN CONCENTRATION OF CROPS USING CASI DATA
LNC SVIs NDVI broad-band red edge-based CASI
2016/11/23
In recent decades, many spectral vegetation indices (SVIs) have been proposed to estimate the leaf nitrogen concentration (LNC) of crops. However, most of these indices were based on the field hypersp...
ESTIMATING NITROGEN CONCENTRATION FROM DIRECTIONAL CHRIS/PROBA DATA
Biochemistry Retrieval Subset Selection Algorithm Multiangular
2015/9/8
Sun and sensor geometry cause directional effects in remotely sensed reflectance data which can influence the estimation of
biophysical and biochemical variables. Previous studies have indicated that...
FUSION OF OPTICAL DATA AND SAR DATA FOR THE ESTIMATION OF NITROGEN CONCENTRATION IN PEARL RIVER ESTUARY HONG KONG SEAS, CHINA
Total inorganic nitrogen RADARSAT-2 HJ-1 CCD image backscattering coefficient optical parameters polarization parameters
2014/4/29
The knowledge of nitrogen concentration in the ocean is fundamental for the study of oceanic biogeochemical processes. The objective of this research is to estimate total inorganic nitrogen (TIN) by i...
Effect of Light Interception Difference in Soybean Canopy on Leaf Nitrogen Concentration, Nitrogen Accumulation and Nitrogen Partitioning into Pod
Canopy structure Light utilization efficiency Nitrogen accumulation Nitrogen concentration
2009/7/15
Soybean cv. "Miyagishirome" (flat type) was planted to use or not use light efficiency (Type R or Type P). This study was conducted to research the effect of light utilization of canopy on leaf nitrog...
Construction of tea production system in conformity with the standardization of nitrate nitrogen concentration in the environment
tea production system conformity nitrate nitrogen concentration
2009/7/15
Construction of tea production system in conformity with the standardization of nitrate nitrogen concentration in the environment.
Effect of Liquid Fertilizer during Flower-Bud Differentiation on Nitrogen Concentration,Bolting,and Yield in Welsh Onion Harvested at Early Summer
Bolting rate Nitrate ion concentration Plastic-tunnel culture
2009/7/10
Effect of liquid fertilizer during flower-bud differentiation on nitrogen concentration, bolting, and yield were investigated to optimize management of the fertilizing schedule to avoid bolting in wel...
Effects of Light Irradiation, Water-supply and Temperature on Quality and Nitrate Nitrogen Concentration in Komatsuna (Brassica campestris L.) Plants during Storage with Film Packaging
carbon dioxide fresh weight leaf color oxygen photosynthesis
2009/7/7
Effects of light irradiation, water-supply and storage temperature on quality and nitrate nitrogen concentration in Komatsuna (Brassica campestris L.) plants were evaluated during film packaging (FP) ...
Effects of Atmospheric Saturation Deficiency and Nitrogen Concentration in the Culture Solution on the Growth of Japonica-type Rice Nipponbare and Indica-type Rice IR24
Absorption of nitrogen Atmospheric saturation deficiency Average leaf area Dry matter production
2009/7/7
The effects of nitrogen (N) concentration in the culture solution on the growth and dry matter production (DMP) were examined under large (14—17hPa) and small (5—8hPa) atmospheric saturation deficien...
Seasonal and spatial variation in the organic carbon and nitrogen concentration and their stable isotopic composition in Zostera marina (Denmark)
Seasonal and spatial variation organic carbon nitrogen concentration their stable isotopic composition Zostera marina
2014/5/9
The spatial and seasonal variation in the concentration and stable isotopic composition of carbon and nitrogen was studied in Zostera marina (eelgrass) meadows in Roskilde Fjord and Øresund, Denm...
Effects of Milk Production, Season, Parity and Lactation Period on Variations of Milk Urea Nitrogen Concentration and Milk Components of Holstein Dairy Cows
Milk Urea Nitrogen Milk Production Non-nutritional Factors Dairy Cows
2016/4/15
The study was conducted to assess the effect of milk production, parity, stage of lactation, season and individual milk components themselves on milk urea nitrogen (MUN) concentration and other milk c...