PDF(113 KB)
Relativity Analysis on Soil Organic Matter with Nitrogen and Phosphorus of the Middle Yellow River
HAN Feng-peng;ZHANG Xing-chang;ZHENG Ji-yong
Yellow River ›› 2007, Vol. 29 ›› Issue (4) : 58-59.
PDF(113 KB)
PDF(113 KB)
Relativity Analysis on Soil Organic Matter with Nitrogen and Phosphorus of the Middle Yellow River
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