total nitrogen content

例句：

1. 1. The soil's total nitrogen content is crucial for plantgrowth.
   土壤的总氮含量对植物生长至关重要。
2. 2. The agricultural research team found that thetotal nitrogen content in the soil was significantlyhigh.
   农业研究小组发现，土壤中的总氮含量显著偏高。
3. 3. To ensure sustainable agriculture, it's important to monitorthe total nitrogen content in the soil.
   为了确保可持续农业，监测土壤中总氮含量是很重要的。