soil total nitrogen
常見例句
- Soil total nitrogen contents in 77.3 % production units were high, 22.7 % units low.
全氮含量處于中高水平的生產(chǎn)單位占77.3%,處于低水平的生產(chǎn)單位占22.7%; - Contrast to soil available nitrogen, soil total nitrogen was not influenced by the environmental factors.
而優(yōu)勢物種和功能群組成對土壤全氮的影響作用相對較弱。 - It was shown that the vegetation types could exert significant effects on soil total nitrogen according to the study results.
以黃土丘陵溝壑區(qū)的子午嶺次生林區(qū)主要植被類型為對象,研究了植被類型對土壤全氮的影響作用。 返回 soil total nitrogen