Growth and productivity of menthol mint (Mentha arvensis L.) as influenced by drip irrigation and fertigation schedules
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Date
2017
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Punjab Agricultural University, Ludhiana
Abstract
Menthol mint (Mentha arvensis L.) is an essential oil bearing plant, belongs to the family
Lamiaceae. Drip irrigation played significant role in menthol mint production due high water
demanding crop and season. The experiment was conducted in spring season of 2015 on
sandy loam soil of Ludhiana, Punjab, with normal in soil reaction and EC, low in organic
carbon and available nitrogen whereas medium in available soil phosphorous and potassium.
The experiment was comprised of treatment combinations of four levels of drip irrigation
(120 % ETC, 100 % ETC, 80 % ETC and 60 % ETC) and three levels of fertigation (100 %
RDF, 80 % RDF and 60 % RDF) with an extra control in factorial randomized complete
block design (RCBD) replicated thrice. Significantly higher plant height, dry matter
accumulation and oil yield was recorded at 120 % ETC than 80 and 60 % ETC but statistically
at par with 100 % ETC. Stool count and fresh herb yield was found to significantly higher at
120 % ETC than 100, 80 and 60 % ETC. However leaf to stem ratio was found to significantly
higher at 60 % ETC than 80, 100 and 120 % ETC. Oil content was also found to be
significantly higher at 60 % ETC than 100 and 120 % ETC but statistically at par with 80 %
ETC. Plant height, dry matter accumulation, fresh herb yield and oil yield were found to be
significantly higher in 100 % RDF than 60 % RDF but statistically at par with 80 % RDF.
However leaf to stem ratio was found to be significantly higher at 60 % RDF than 100 %
RDF but statistically at par with 80 % RDF.
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