Search Results - "Nitrogen/analysis"

Use of low-cost RGB images to estimate nitrogen, chlorophyll, and leaf area status in basil 'Nufar'.

Authors: Juarez-Lopez, Porfirio Ontiveros-Capurata, Ronald Ernesto Mendoza-Tafolla, Rodrigo Omar et al.

Source: Journal of Plant Nutrition. 2025, Vol. 48 Issue 17, p3030-3042. 13p.

Subject Terms: *NITROGEN analysis, *CHLOROPHYLL, *LEAF area, *PRECISION farming, *BASIL, *NUTRITIONAL status, *ANALYSIS of colors, *PLANT nutrition

Smartphone-Based Estimation of Cotton Leaf Nitrogen: A Learning Approach with Multi-Color Space Fusion.

Authors: Chen, Shun Qin, Shizhe Wang, Yu et al.

Source: Agronomy. Oct2025, Vol. 15 Issue 10, p2330. 16p.

Subject Terms: *COTTON, *NITROGEN analysis, *DEEP learning, *NONDESTRUCTIVE testing, *MACHINE learning, *SMARTPHONES, *SUSTAINABLE agriculture, *COLOR space

Research on Non Destructive Detection Method and Model Op-Timization of Nitrogen in Facility Lettuce Based on THz and NIR Hyperspectral.

Authors: Zhang, Yixue Zheng, Jialiang Zhi, Jingbo et al.

Source: Agronomy. Oct2025, Vol. 15 Issue 10, p2261. 21p.

Subject Terms: *NITROGEN analysis, *NEAR infrared spectroscopy, *LETTUCE growing, *TERAHERTZ spectroscopy, *NONDESTRUCTIVE testing, *MULTISPECTRAL imaging, *NUTRITIONAL status, *OPTIMIZATION algorithms

Enhancing soil health with increasing the nitrogen content of zeolite-based fertilizers for agricultural applications.

Authors: Oguz, Melike Arslan, Hakan

Source: International Journal of Environmental Health Research. Oct2025, Vol. 35 Issue 10, p2912-2928. 17p.

Subject Terms: *NITRATE analysis, *NITROGEN analysis, *FERTILIZER analysis, *AMMONIA analysis, *SOIL testing, *ADSORPTION (Chemistry), *ELECTRON microscopy, *NITROGEN compounds, *EXPERIMENTAL design, *INFRARED spectroscopy, *ALUMINUM silicates, *X-rays, *COMPARATIVE studies, *TEMPERATURE, *AGRICULTURE

Geographic Terms: TURKEY

Problems and Solutions when Quantifying Nitrogen in Silicate and Oxide Minerals and Glasses Using Electron Probe Microanalysis.

Authors: Mare, Eleanor R. Chen, Jeff Buisman, Iris et al.

Source: Geostandards & Geoanalytical Research. Sep2025, Vol. 49 Issue 3, p569-590. 22p.

Subject Terms: *NITROGEN analysis, *ELECTRON probe microanalysis, *SCIENTIFIC method, *SILICATE minerals, *CONFIDENCE intervals, *REFERENCE sources, *OXIDE minerals

Potential of Multi-Source Multispectral vs. Hyperspectral Remote Sensing for Winter Wheat Nitrogen Monitoring.

Authors: Chen, Xiaokai Miao, Yuxin Kusnierek, Krzysztof et al.

Source: Remote Sensing. Aug2025, Vol. 7 Issue 15, p2666. 19p.

Subject Terms: *WINTER wheat, *NITROGEN analysis, *MULTISPECTRAL imaging, *REMOTE sensing, *MULTISENSOR data fusion, *PRECISION farming, *PLANT health, *SPECTRUM analysis

In Situ PM‐IRRAS and XPS Analysis of Nitrogen Plasma Surface Modification of Polylactide Thin Films.

Authors: Gołębiowska, Sandra Voigt, Markus de los Arcos, Teresa et al.

Source: Surface & Interface Analysis: SIA. Jul2025, Vol. 57 Issue 7, p499-509. 11p.

Subject Terms: *ATOMIC force microscopy, *NITROGEN analysis, *SURFACE energy, *REFLECTANCE spectroscopy, *CONTACT angle, *NITROGEN plasmas

Comparative Evaluation of the Multispectral Platforms Sentinel-2, CBERS-04A, and UAV for Nitrogen Detection in Maize Crops.

Authors: Gomes, Heloisa Silva, Gustavo Ferreira da Calonego, Juliano Carlos et al.

Source: AgriEngineering. Jul2025, Vol. 7 Issue 7, p201. 23p.

Subject Terms: *REMOTE sensing, *NITROGEN analysis, *CORN, *MULTISPECTRAL imaging, *AGRICULTURAL drones

Detection of nitrogen in water by plasma amplification LIBS assisted with spatially resolved spectroscopy.

Authors: Yang, Xinyan Wang, Xin Zhu, Peng et al.

Source: JAAS (Journal of Analytical Atomic Spectrometry). Jul2025, Vol. 40 Issue 7, p1804-1809. 6p.

Subject Terms: *NITROGEN analysis, *LASER-induced breakdown spectroscopy, *QUANTITATIVE research, *HIGH resolution spectroscopy, *DETECTION limit, *LASER plasmas, *WATER analysis

Specific Sn–O–Fe Active Sites from Atomically Sn-Doping Porous Fe2O3 for Ultrasensitive NO2 Detection.

Authors: Zhong, Yihong Yuan, Guotao Bao, Dequan et al.

Source: Nano-Micro Letters. 5/26/2025, Vol. 17 Issue 1, p1-14. 14p.

Subject Terms: *GAS detectors, *NITROGEN analysis, *FERRIC oxide, *SENSITIVITY analysis, *POROSITY, *DOPING agents (Chemistry)

Multi-laser-power calibration for quantitative determination of N and P in fertilizers by Raman spectroscopy.

Authors: Oliveira, Evilim M. Ferreira, Edilene C. Gomes Neto, José A. et al.

Source: JAAS (Journal of Analytical Atomic Spectrometry). May2025, Vol. 40 Issue 5, p1231-1240. 10p.

Subject Terms: *FERTILIZERS, *NITROGEN analysis, *QUANTITATIVE research, *RAMAN spectroscopy, *PHOSPHORUS, *CALIBRATION

Numerical analysis of nitrogen adsorption and penetration depth in plasma-nitrided austenitic stainless steel 316: A crystallographic orientation study.

Authors: Taghinejad, J. Vejdanihemmat, M. Niknam, A. R.

Source: AIP Advances. Apr2025, Vol. 15 Issue 4, p1-8. 8p.

Subject Terms: *FINITE difference method, *NITROGEN analysis, *NUMERICAL analysis, *DIFFUSION coefficients, *ACTIVATION energy

鄂尔多斯高原水土保持林碳密度分配格局 及其影响因素. (Chinese)

Alternate Title: Distribution pattern of carbon density and its influencing factors in soil and water conservation forests on Ordos Plateau. (English)

Authors: 周艾荣 王树森 张 平 et al.

Source: Research of Soil & Water Conservation; Dec2025, Vol. 32 Issue 6, p169-176, 8p

Subject Terms: CARBON in soils, SOIL conservation, PRUNUS, PINE, NITROGEN analysis, WATER conservation, FOREST ecology

Geographic Terms: ORDOS Plateau (China)

Stable carbon and nitrogen isotopes in whole blood as biomarkers of dietary patterns in a Brazilian population.

Authors: Lacerda, Diego dos Santos Vergilio, Cristiane Pestana, Inácio Abreu et al.

Source: Isotopes in Environmental & Health Studies; Dec2025, Vol. 61 Issue 6, p641-661, 21p

Subject Terms: BIOMARKERS, DIETARY patterns, SEX factors in disease, NITROGEN analysis, BLOOD sampling, PHYSIOLOGY, BRAZILIANS, STABLE isotopes

Geographic Terms: BRAZIL, ESPIRITO Santo (Brazil : State)

Harnessing AI and Remote sensing for precision sugarcane farming: tackling water stress, salinity, and nitrogen challenges.

Authors: Vinayaka Prasad, P. Rama Chandra Avinash, G. et al.

Source: Frontiers in Agronomy; 2025, p1-21, 21p

Subject Terms: ARTIFICIAL intelligence, REMOTE sensing, SALINITY, WATER shortages, NITROGEN analysis, PRECISION farming, SUSTAINABLE agriculture, SUGARCANE growing

Comparative modeling of nitrogen losses in a tile-drained watershed using SWAT model: uncertainty and calibration considerations.

Authors: Qi, Junyu Malone, Robert Liang, Kang et al.

Source: Frontiers in Environmental Science; 2025, p1-19, 19p

Subject Terms: CALIBRATION, NITROGEN analysis, DENITRIFICATION, ECOHYDROLOGY, SENSITIVITY analysis, HYDROLOGIC models, BIOGEOCHEMISTRY, WATERSHEDS

Optimal Color Space Selection for Vermicompost Nitrogen Classification: A Comparative Study Using the KNN Model.

Authors: Lorwongtragool, Panida Leasen, Suthisa

Source: Applied Sciences (2076-3417); Nov2025, Vol. 15 Issue 21, p11578, 12p

Subject Terms: COLOR space, NITROGEN analysis, LABORATORIES, K-nearest neighbor classification, VERMICOMPOSTING

Prediction Method of Available Nitrogen in Red Soil Based on BWO-CNN-LSTM.

Authors: Deng, Yun Cao, Yuchen Liu, Chang

Source: Applied Sciences (2076-3417); Oct2025, Vol. 15 Issue 20, p11077, 24p

Subject Terms: NITROGEN analysis, SOIL management, STATISTICAL accuracy, OPTICAL spectra, SPECTRUM analysis, AGRICULTURAL industries, RED soils

GNN‐EnKF Fusion: A Novel Framework for Cotton Canopy Nitrogen Inversion Using Multi‐Source Remote Sensing Fusion and Crop Growth Model Assimilation.

Authors: Wu, Ke Li, Yang Nie, Jing et al.

Source: Expert Systems; Oct2025, Vol. 42 Issue 10, p1-24, 24p

Subject Terms: AGRICULTURAL remote sensing, MULTISENSOR data fusion, CROP growth, PLANT canopies, DATA assimilation, NITROGEN analysis, PRECISION farming

THE SOLUBILITY OF THE Mg(ClO3)2∙2CO(NH2)2-HNO3∙ NH2C2H4OH3-H2O SYSTEM.

Alternate Title: Mg(ClO3)2∙2CO(NH2)2-HNO3∙NH2C2H4OH-H2O ТИЗИМИНИНГ ПОЛИТЕРМИК ЭРУВЧАНЛИГИs (Russian)
ПОЛИТЕРМИЧЕСКАЯ РАСТВОРИМОСТЬ СИСТЕМЫ Mg(ClO3)2∙2CO(NH2)2-HNO3∙NH2C2H4OH-H2O (Uzbek)

Authors: SIDIKOV, A. A. TOGASHAROV, A. S. IBRAGIMOV, A. B. et al.

Source: Uzbek Chemical Journal / O'Zbekiston Kimyo Jurnali; 2025, Issue 4, p59-63, 5p

Subject Terms: SOLUBILITY, CRYSTALLIZATION, INORGANIC compounds, AMMONIUM nitrate, TEMPERATURE measurements, NITROGEN analysis