关键词: 根分泌物, 生态效应, 养分有效性, 根际动态

Abstract:

The ecological effect of root exudates was discussed in the present paper. The main contents aboutecological effect of root exudates were as follows: ① the impact of root exudates on rhizosphere microorgan-isms, ② the role of root exudates in plant nutrition ecology, especially influence of root exudates on nutrientavailability of plants, ③ the influence of mucilage released by roots on soil structure, ④ heavy metal bindingwith root exudates and ⑤ the role of root exudates in allelopathy

Key words: Root exudates, Ecological effect, Nutrient availability, Rhizosphere dynamics