Estimation of soil organic matter and soil total nitrogen based on NIR spectroscopy and BP neural network

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Key Lab. of MOE on Modern Precision Agriculture System Integration Research, China Agricultural University, Beijing 100083, China [1 ]
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Guang Pu Xue Yu Guang Pu Fen Xi | 2008年 / 5卷 / 1160-1164期
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Soil testing;
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