| The distribution of nematode communities in black soils of different fertilizing managements from harbin area was investigated.Soil nematode community structure changed significantly after fertilizing.The number and species of nematode and dominance index decreased and evenness index , diversity and relative abundance of bacterivores increased after long-term fertilizing. Plant-parasites can be controled significantly by fertilizer managements;espically in soils of organic matter and NPK management treatments ,the number and diversity of plant-parasites decreased significantly. |
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