Biological nitrogen fixation (BNF) refers to the process by which the nitrogen that is present abundantly in the atmosphere as non-reactive molecular dinitrogen (N 2 ) is converted into reactive forms that become available to plants and thereby to all life forms. The key process of BNF is ...
The epiphytic plants enwrapping trees in canopy layer are very abundant in the subtropical mountainous cloud forest of Ailao Mountain (central and southern Yunnan Province, SW China). This forest lacks widespread nitrogen-fixing plants, and the nitrogen origin is elusive. Maybe there also exist ...
The nodulation status and nodu... JI Sprent,R Parsons - 《Field Crops Research》 被引量: 284发表: 2000年 Nitrogen fixation in tropical forest plantations Nitrogen (N) fixation by trees involves the symbiotic relationship between certain tree species, N-fixing microsymbionts and mycorrhizal fungi....
(e.g.Rhizobium)live in association with plants, occupying swellings in the root calledroot nodules.The latter relationship is one ofSYMBIOSIS, in that the plant gains nutrients and thus can live in nitrogen-poor soils, while the nitrogen-fixer obtains a supply of carbohydrates from the plant....
fixing organisms prefer to grow in agricultural soils having increased pH and possessing sufficient content of bioavailable phosphorus, whereas nonphotosynthetic nitrogen-fixing microorganisms such asAzotobacterandClostridiumare prevalent in rhizospheric regions of host plants secreting ample content of nutritional...
The relationships between insect capture, mineral nutrition (particularly nitrogen and phosphorus), and plant growth and reproduction have been investigated for numerous species. The relatively large diversity of organisms that can survive in the “pitchers” of some carnivorous plants also has been ...
either mitigate (CO2 sequestration outweighs soil N2O emissions) or exacerbate (vice versa) climate change relative to non-fixing trees, depending on their nitrogen fixation strategy (the degree to which they regulate nitrogen fixation to balance nitrogen supply and demand) and on nitrogen deposition...
A field experiment was conducted to study the influence of 8- to 9-year-old nitrogen-fixing tree species (Faidherbia albida, Acacia ferruginea, Albizia lebbeck) and fertilizer nitrogen levels on yield and nitrogen uptake of intercropped cowpea (Vigna unguiculata). Grain and dry fodder yields of...
Other non-fixing trees accompanying P. lucens in the same area were also investigated as control. Results showed an important variation of ∂15N in leaves between the nitrogen-fixing tree (P. lucens) and reference plants, whereas no significant differences were recorded in amount of ...
Fast growing trees and nitrogen fixing trees: international conference Marburg, October 8th-12th, 1989. This book contains the texts of lectures and posters presented at a conference attended by 182 scientists from 45 countries. The subject was the physiologi......