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Variability in nitrogen fixation activity among soybean cultivars was examined under well-managed field conditions. Four and 15 soybean cultivars were grown in 1989 and 1991, respectively, along with ...
A procedure for protoplast isolation and regeneration in rhizobia has been established. The use of 1% N-laurylsarcosine in pre-washing of the cells facilitated the cellular lysis by incubation for 1 h...
Supernodulating soybean lines have more than several times as many nodules as normal cultivars. They are expected to have high nitrogen-fixing ability and enhanced productivity, but their yields have...
Nitrogen Fixation and Seed Yield in Soybean under Moderate High-Temperature Stress.
Reductions of growth and symbiotic nitrogen fixation were studied in soybean exposed to simulated acid rain (SAR) applied to different sites. Soybean cultivar Okuharawase was grown in 1/5000a pots und...
The supernodulating soybean (Glycine max (L.) Merr.) cultivar Kanto 100 was previously characterized by superior nitrogen (N) fixation and photosynthesis, and resulting in high yields. However, this c...
The quantitative relationship between dry matter production (W) and evapotranspiration (ET) was examined in soybean cv. Tsurunoko cultivated in 8 L containers fertilized with a large amount of inorga...
To investigate the possibility of estimating symbiotic nitrogen fixation through the measurements of dry matter production and evapotranspiration, we grew two isogenic lines of soybeans, non-nodulati...
To analyze the cultivar differences of nitrogen fixation capacity in soybean under a high soil nitrogen condition, we estimated the amount of nitrogen fixed during the growing season and the percenta...
In order to study the effect of salinity on the nitrogen fixation in Medicago sativa L. seedling emergence stage, this experiment was conducted in research greenhouse of Karaj Agriculture college, in ...

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