He tukanga tēnei e tuku ai ngā rau o tētahi tipu i te wai mā te whakaeto. Ka riro atu te wai mā ngā poare o ngā rau. O te wai ka mitia e te tipu, he pātata ki te 90% ka riro atu mā te tukuwai.
A process by which the leaves of a plant lose water through evaporation. The water is lost through the leaves’ stomata. About 90% of the water absorbed by the plant is lost through transpiration.