NEAR INFRARED SPECTROSCOPY FOR DETERMINING CHEMICAL AND PHYSICAL CHARACTERISTICS OF PEAT

机译：近红外光谱法测定泥炭的化学和物理特性

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The aim of this study was to assess the use of MRS to measure several physical and chemical properties of peat used as growing substrates. NIR spectra were recorded for 64 samples of peat collected in the Italian market of potting media. pH, electric conductivity, total carbon and nitrogen, fibres (neutral detergent fibre, acid detergent fibre and acid detergent lignin), easily available water (EAW), bulk density and porosity were determined and correlated with spectroscopic data by Partial Least Squares regression (PLS) in order to obtain calibration models for the investigated parameters. NIRS predicted well the content of total carbon and nitrogen, neutral detergent fibre, detergent lignine, porosity and bulk density. Calibrations for remaining parameters were less effective.

机译：这项研究的目的是评估使用MRS来测量用作生长基质的泥炭的几种物理和化学性质。记录了在意大利市场上购买的64个泥炭样品的NIR光谱。确定了pH，电导率，总碳和氮，纤维（中性洗涤剂纤维，酸性洗涤剂纤维和酸性洗涤剂木质素），易得水（EAW），堆积密度和孔隙率，并通过偏最小二乘回归（PLS）将其与光谱数据关联），以获取所研究参数的校准模型。 NIRS很好地预测了总碳和氮，中性清洁剂纤维，清洁剂木质素，孔隙率和堆积密度的含量。其余参数的校准效果较差。

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来源
《International Peat Congress; 20040606-11; Tampere(FI)》|2004年|P.1108-1114|共7页
会议地点 Tampere(FI)
作者
LAURA CRIPPA; DARIA ORFEO; PIETRO MARINO; PATRIZIA ZACCHEO;
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作者单位

Dipartimento di Produzione Vegetale, Universita di Milano, Via Celoria 2, 20133 Milano, Italy;

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会议组织
原文格式 PDF
正文语种 eng
中图分类土壤改良;泥炭、污泥、土肥、灰肥;
关键词
peat; near infrared spectroscopy; prediction of chemical and physical properties;

机译：泥炭;近红外光谱;化学和物理性质的预测;

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NEAR INFRARED SPECTROSCOPY FOR DETERMINING CHEMICAL AND PHYSICAL CHARACTERISTICS OF PEAT

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