Non-Destructive Evaluation of the Leaf Nitrogen Concentration by In-Field Visible/Near-Infrared Spectroscopy in Pear Orchards
Non-destructive and timely determination of leaf nitrogen (N) concentration is urgently needed for N management in pear orchards. A two-year field experiment was conducted in a commercial pear orchard with five N application rates: 0 (N0), 165 (N1), 330 (N2), 660 (N3), and 990 (N4) kg·N·ha−1. The mi...
Main Authors: | Jie Wang, Changwei Shen, Na Liu, Xin Jin, Xueshan Fan, Caixia Dong, Yangchun Xu |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2017-03-01
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Series: | Sensors |
Subjects: | |
Online Access: | http://www.mdpi.com/1424-8220/17/3/538 |
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