• 1. Continuous air flow method: 密闭室法
• 2. continuous air flow enclosure method: 间歇式密闭室通气法

• 1.This paper aims to study the ammonia volatilization use continuous air flow enclosure method in wheat season.
  试验采用间歇式密闭室通气法，测定了冬小麦生长季氨挥发的损失量。
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