soil total nitrogen

常见例句

双语例句

• 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。
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