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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...
Rapid Detection of Total Nitrogen Content in Soy Sauce using NIR Spectroscopy
near-infrared spectroscopy partial least squares
2015/12/30
A method for the rapid and nondestructive determination of total nitrogen content in soy sauce was explored. Prediction models were established using near-infrared spectroscopy combined with each of t...
Hyperspectral Analysis of Soil Total Nitrogen in Subsided Land Using the Local Correlation Mazimization-Complementary Superiority Method
Hyperspectral analysis local correlation maximization-complementary superiority (LCMCS) soil total nitrogen subsided land
2015/7/27
The measurement of soil total nitrogen (TN) by hyperspectral remote sensing provides an important tool for soil restoration programs in areas with subsided land caused by the extraction of natural res...
Using satellite hyperspectral imagery to map soil organic matter, total nitrogen and total phosphorus
total nitrogen total phosphorus partial least squares
2015/1/16
Up-to-date and accurate information on soil properties is important for precision farming and environmental management. The spatial information of soil properties allows adjustments of fertilizer appl...
Assessment of soil quality using soil organic carbon and total nitrogen and microbial properties in tropical agroecosystems
Agroecosystems Microbial Biomass Soil Organic Carbon Soil Total Nitrogen Tropical
2013/3/4
Assessment of soil quality is an invaluable tool in determining the sustainability and environmental impact of agricultural ecosystems. The study was conducted to assess the quality of the soils under...
EFFECTS OF CALCIUM FORMS ON ELECTROLYTE LEAKAGE, TOTAL NITROGEN, YIELD AND BIOMASS PRODUCTION BY STRAWBERRY PLANTS UNDER NACL SALINITY
biomass electrolyte leakage NaCl stress
2010/12/8
Strawberry (Fragaria ananassa Duch.) plants cv. Selva was grown in soilless culture under greenhouse conditions to present the effects of application of supplementary calcium combined with nutrient so...
Single Basal Application of Total Nitrogen Fertilizer with Controlled-Release Coated Urea on Non-tilled Rice Culture
Controlled-release coated urea Growth and yield Non-tilled rice culture Rice Single application of fertilizer
2009/8/4
Single application of total nitrogen fertilizer with controlled-release coated urea on non-tilled rice culture (LP-plot) was compared with a conventional application method using easily released nitro...
Stratiform Analysis of Growth, Total Nitrogen, Free Amino Acid and Neutral Detergent Fiber Concentration of New Shoots in Mechanically-plucked Tea (Camellia sinensis L.) Bush
Camellia sinensis Free amino acid Neutral detergent fiber Rail-tracking tea plucker Stratified clip method
2009/7/28
Some factors which might relate to yield and quality were inverstigated by stratiform analysis in order to estimate the most suitable plucking height in the mechanically-plucked tea bush. During a per...
Changes in Total Nitrogen and Total Carbon Contents in Soil and the Leaf Yield of a Long-Term Unfertilized Mulberry under Field Condition
Long-term unfertilized cultivation Mulberry Total soil carbon Total soil nitrogen Yearly leaf yield
2009/7/8
Total nitrogen and total carbon contents of the soil and the leaf yield in a long-term unfertilized mulberry field (NF) were compared with those in a chemically fertilized field (F) for 19 years from ...
The enrichments of organic matter and total nitrogen in sediment as affected by relavant factors
2007/8/24
Serious soil erosion has already resulted in degradation of the Loess Plateau of China. Soil erosion is commonly accompanied by extensive soil nutrient loss. Because of enrichment processe...
Baltic Sea nitrogen fixation estimated from the summer increase in upper mixed layer total nitrogen
Baltic Sea nitrogen fixation the summer increase upper mixed layer total nitrogen
2014/6/9
We estimated nitrogen fixation from the increase in total nitrogen (N2 gas excluded) in the upper 20 m during the summer biomass increase of heterocystous filamentous cyanobacteria at the off-shore La...