Hälvä, S. 1987. “Studies on Production Techniques of Some Herb Plants: I Effect of Agryl P17 Mulching on Herb Yield and Volatile Oils of Basil (Ocimum Basilicum L.) and Marjoram (Origanum Majorana L.) ”. Agricultural and Food Science 59 (1):31-36. https://doi.org/10.23986/afsci.72243.