网络氮植物 网络释义 1. 氮植物 覆盖作物可以分为两大类,一类是聚氮植物(nitrogen-fixing plants),另一类是耗氮植物(nitrogen-using plants),前者能够把空气 … www.360doc.com|基于9个网页 例句 释义: 全部,氮植物
Nitrogen fixation is important to reap high yields. Nitrogen-fixing crops and bacteria are popular methods, friendly to farmers and nature.
abundance values of nitrogen-fixing plants and non-fixing (reference) plants. The soil δ15N is more abundant than in air; thus, nitrogen-fixing plants will exhibit reduced δ15N levels compared to reference non-fixing plants. The samples of mucilage-producing plants and reference plants growing ...
The nitrogen fixing plants that have been tried in managed forest systems range from trees to herbs and shrubs which fix nitrogen through root associations with either Rhizo bium strains in the case of legumes,or an actinomycete of the genus Frankia in the case of non legumes....
A wide diversity of nitrogen-fixing bacterial species belonging to most phyla of the Bacteria domain have the capacity to colonize the rhizosphere and to interact with plants. Leguminous and actinorhizal plants can obtain their nitrogen by association with rhizobia or Frankia via differentiation on ...
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Figure 1.Nitrogen flow cycle. Fixed nitrogen enters the nitrogen cycle (top) through sources in the soil and through the biological, environmental, and industrial fixation of atmospheric N2. Fixed nitrogen exits the system (boxed items) after nitrate uptake by plants through plant cropping, burning...
Symbiotic nitrogen (N)‐fixing plants have important effects on the biogeochemical processes of the sites they inhabit, but their ability to reach these sites is determined by the dispersal of their seeds. Differences in seed size and dispersal vectors of N‐fixing and non‐fixing plants could ...
11. Thus, macrofauna may alleviate N limitation by priming the remineralization of refractory N, reducing plants-microbe competition12,13. Such activity ultimately promotes N-recycling, plant assimilation and high N retention, as well as favours it loss by stimulating coupled nitrification and ...
The composition of free-living nitrogen-fixing microbial communities in rhizosphere and non-rhizosphere of pioneer plants growing on wastelands of copper mine tailings was studied by the presence of nifH genes using Polymerase Chain Reaction-Denatured Gradient Gel Electrophoresis (PCR-DGGE) approach. Elev...