उत्सर्जन मापन का एक मापयंत्र जिसमें जलयान में रखी मृदा में एक या अधिक पौधे लगाए जाते है। तथा इसको चारों ओर से बन्द कर दिया जाता है ताकि पौधों से जल केवल उत्सर्जन द्वारा निकल सके।
Device for measuring transpiration, consisting of vessel containing soil in which plants are rooted and sealed so that water can escape only by transpiration from plants.
Device for measuring transpiration, consisting of vessel containing soil in which plants are rooted and sealed so that water can escape only by transpiration from plants.
