Soil nitrate nitrogen sensing for tea garden based on diffuse reflectance spectroscopy

Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering

Volumn 25, Issue SUPPL. 2, 2009, Pages 240-244

  Hu, Yongguang ^a   Li, Pingping ^a   Wu, Caicong ^b   Chen, Bin ^a  

^a JIANGSU UNIVERSITY   (China)

^b PEKING UNIVERSITY   (China)

Author keywords

Models; Near infrared spectroscopy; Neural networks; Reflection; Soil nitrate nitrogen

Indexed keywords

ARTIFICIAL NEURAL NETWORK; CALIBRATION MODEL; CORRELATION COEFFICIENT; DATA VALIDITY; DIFFUSE REFLECTANCE SPECTROSCOPY; DIFFUSE REFLECTANCE SPECTRUM; FIRST-ORDER DERIVATIVE; MOVING AVERAGE FILTER; NITRATE NITROGEN; PARTIAL LEAST SQUARES; PRINCIPAL COMPONENTS; REAL VALUES; ROOT MEAN SQUARE ERROR OF CALIBRATIONS; SOIL FERTILITY; SOIL SAMPLE; SPECTRO-RADIOMETERS; STANDING-WAVE RATIO; VISIBLE-NEAR INFRARED SPECTRA;

AGRICULTURAL PRODUCTS; CALIBRATION; CLUSTER ANALYSIS; GEOLOGIC MODELS; INFRARED DEVICES; NEAR INFRARED SPECTROSCOPY; NEURAL NETWORKS; NITRATES; NITROGEN; PRINCIPAL COMPONENT ANALYSIS; REFLECTION; SOIL SURVEYS; SOILS; SPECTRUM ANALYSIS;

INFRARED SPECTROSCOPY;

EID: 74049157058     PISSN: 10026819     EISSN: None     Source Type: Journal    
DOI: 10.3969/j.issn.1002-6819.2009.z2.046     Document Type: Article

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