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首页> 外文会议>Third International Symposium on Non-Co_2 Greenhouse Gases: Scientific Understanding, Control Options and Policy Aspects Jan 21-23, 2002 Maastricht, The Netherlands >Methane production and population dynamics of acetoclastic methanogens in rice rhizosphere
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Methane production and population dynamics of acetoclastic methanogens in rice rhizosphere

机译：水稻根际乙酰碎屑产甲烷菌的甲烷产量和种群动态

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The methane production of rice rhizosphere was determined in the planted higher than in the unplanted field in the paddy soil, Supanburi, Thailand. The highest value during the early reproductive period of methane production corresponded with greatest numbers of acetoclastic methanogens while specific methanogenic activity was low. Methane production was not obviously increased during the early vegetative period while high methanogenic activity was identified at this stage. Additional nitrogen as the first fertilizer application during the early vegetative period could influence acetoclastic methanogens in their activity rather than growth. The increasing of methanogens during the reproductive phase may result from the stimulation of root exudate. Thus, the availability of nutrients during rice plantation affected the activity and production of acetoclastic methanogens at rice rhizosphere.
机译：在泰国素攀武里的水稻土中，种植的水稻根际的甲烷产量高于未种植的田地。甲烷生产的生殖早期阶段的最高值对应于大量的破乳产甲烷菌，而特定的产甲烷活性较低。在营养早期，甲烷的产生并没有明显增加，而在此阶段甲烷的产甲烷活性很高。在营养早期，额外添加的氮作为第一种肥料，可能会影响乙酰碎屑产甲烷菌的活性，而不是生长。生殖阶段产甲烷菌的增加可能源于根分泌物的刺激。因此，水稻种植期间养分的可利用性影响了水稻根际乙酰破伤性产甲烷菌的活性和产量。

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