Determination of fibre and protein content in heterogeneous pastures using field spectroscopy and ultrasonic sward height measurements
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- 作者：Hanieh Safari hsafari@uni-kassel.de" class="auth_mail" title="E-mail the corresponding author ; Thomas Fricke ; Michael Wachendorf ; gnr@uni-kassel.de" class="auth_mail" title="E-mail the corresponding author
- 关键词：ADF ; acid detergent fibre ; CP ; crude protein ; DM ; dry matter ; MPLSR ; modified least square regression ; PLSR ; partial least square regression ; RPD ; ratio of standard deviation and standard error of prediction ; SLU ; standard livestock units ; USH ; ultrasonic sward height
- 刊名：Computers and Electronics in Agriculture
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：123
- 期：Complete
- 页码：256-263
- 全文大小：1050 K
文摘
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Hyperspectral analysis by MPLS resulted in maximum accuracy.
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Exclusive ultrasonic sensor resulted in very poor prediction accuracies.
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Vegetation indices or satellite broadbands achieved lower prediction accuracies.
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Combining ultrasonic and spectral data improved the prediction of forage quality.