soil total nitrogen
常见例句
- Soil total nitrogen contents in 77.3 % production units were high, 22.7 % units low.
全氮含量处于中高水平的生产单位占77.3%,处于低水平的生产单位占22.7%; - Contrast to soil available nitrogen, soil total nitrogen was not influenced by the environmental factors.
而优势物种和功能群组成对土壤全氮的影响作用相对较弱。 - It was shown that the vegetation types could exert significant effects on soil total nitrogen according to the study results.
以黄土丘陵沟壑区的子午岭次生林区主要植被类型为对象,研究了植被类型对土壤全氮的影响作用。 返回 soil total nitrogen