biological fixation nitrogen

基本解釋

The results show that the biological nitrogen fixation is improved with the increase of C/N ratio.
結(jié)果表明：肥料組合的C、N比越高，土壤微生物對肥料N的固定量越大。
Nitrogen fixation trees of Leguminosae and non-Leguminosae are important biological nitrogen fixation resources.
豆科及非豆科固氮樹種是重要的生物固N(yùn)資源。
The rhizobia taxonomy is one of the most important fields in bacteria systematics and biological nitrogen fixation.
根瘤菌的分類作為生物固氮和細(xì)菌分類學(xué)兩個(gè)領(lǐng)域的結(jié)合點(diǎn)，具有十分重要的意義。