Author(s):

AK Tripathi, MN Nagrauiya and SP Tiwari

Abstract: Lemon grass was cultivated at different fertility levels for two years for the herbage and oil yield under irrigated conditions in Balrampur, which is situated in Northern hill zone of Chhattisgarh, having 1455 mm average rainfall with average temperature of 41 oC in summer and 3.2 oC in winter. Five fertility levels viz. N75P30K30, N100P30K30, N125P30K30, N75P30K30+FYM@10 t ha-1 and FYM alone @ 25 t ha-1 were tested, where the application of NPK are 125, 100, 75 and 30 kg ha-1 as mentioned in the corresponding treatments. The crop was harvested thrice in a year from June to February. The effects of treatments were evaluated in terms of fresh herbage, oil yields and oil contents. The herbage yield was 976.05 q ha-1 which was 2% higher than second year’s crop. The overall herbage yield was recorded maximum in second harvest. The suitable nutrient dose was worked out as 75 kg N + 30 kg P +30 kg K + 10 t FYM ha-1. Similar trend was observed in case of oil yield i.e. 553.59 kg ha-1 on application of 75 kg N + 30 kg P +30 kg K + 10 t FYM ha-1 but on application of 25 t FYM ha-1 it was recorded 364 and 378 kg ha-1 during 1st and 2nd year respectively. The results were found statistically significant.

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