diagnosis of plant nutrition

例句：

1. 1.The doctor made an accurate diagnosis of the patient's condition.
   医生对病人的病情做出了准确的诊断。
2. 2. The scientist conducted a thorough investigation to arrive at a correct diagnosis.
   科学家进行了彻底的调查，以得出正确的诊断。
3. 3. The team decided on a diagnosis based on the results of the tests.
   团队根据测试结果决定了一个诊断。