英语语法分析

The numbers of bacteria, azotobacter and fungi were highest in spring.

细菌、真菌和自身固氮菌数量春季最多。

As to same tea age, the population of azotobacter became smaller with the soil fertility decrease.

相同茶龄的土壤中固氮菌的数量随土壤肥力的降低而减少；

The paper introduces the method of making azotobacter fertilizer by biological process and test method of bacteria.

本文介绍了生物法制固氮菌肥的方法，以及菌种的检验方法。