Year: 2017 | Month: February | volume 10 | Issue 1
Optimisation of nitrogen level and cutting interval for growth and yield of Ipomoea reptans
Abstract:
A field experiment was carried out during summer season of 2015 at Horticultural Research Station, Mondouri, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia, West Bengal to optimise different levels of nitrogen level and cutting intervals for growth and yield of Ipomoea reptans. The experiment was laid out in a Randomized Block Design with four levels of nitrogen doses (i.e. 60, 80, 100, 120 kg/ha) with two cutting treatments at 20 days and 30 days intervals and four replications. Result revealed that growth and yield parameters increases with the increase dose of nitrogen and cutting frequencies. Maximum plant height of 47.87 cm obtained under 120 kg/ha nitrogen with 30 days of cutting condition. Highest weight of leaves and weight of stems per plant were recorded 116 g and 56.13g, respectively under 120 kg/ha nitrogen application with 30 days of cutting interval. The highest total green yield (52.46 ton/ha) was obtained at 120 kg/ha nitrogen application 20 days of cutting. It was found that 11.15% more yield has been obtained that the yield of 30 days of cutting. It has been noticed green yield per hectare has been increased from first cutting to second cutting whereas after second cutting the yield declined which concludes cutting management was beneficial for improving yield and yield attributing characters.
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