soil total nitrogen
常见例句
- Soil total nitrogen contents in 77.3 % production units were high, 22.7 % units low.
全氮含量処於中高水平的生産單位佔77.3%,処於低水平的生産單位佔22.7%; - Contrast to soil available nitrogen, soil total nitrogen was not influenced by the environmental factors.
而優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.
以黃土丘陵溝壑區的子午嶺次生林區主要植被類型爲對象,研究了植被類型對土壤全氮的影響作用。 返回 soil total nitrogen