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Rice is most important crop in Jhum field under Longleng district of  Nagaland. About 12% of the total geographical area of the district is under Jhum rice. Mixed cropping is practiced in Jhum farming where rice is predominant crop. Rice is cultivated during February-March to July-August, leaving rest of the period during the year as fallow and the rainfall continues up to the end of October and also moisture remains in the field till December. Thus there is potential for growing of green gram as a second crop for enhances the income of the Jhumias and also increase the cropping intensity. Therefore, frontline demonstrations (20 nos.) on Green gram (Cv. Pratap) was conducted under Jhum rice fallow by KVK Longleng in three different villages in an area of 2.0 ha and 2.5 ha during the year 2016 and 2017 respectively. From the two years data, result revealed that rice yield was recorded 1850 kg/ha. Mean yield (2 year) of Green gram was recorded 920 kg/ha. After introduction of Green gram as second crop at farmers field, Rice Equivalent Yield (REY) of Green gram was recorded 4007 kg/ha. System productivity in terms of REY was recorded 5987 kg/ha as compared to rice mono cropping (1850 kg/ha). System productivity (25.8, 11.4 kg/ha/day), system profitability (143.0, 35.0 Rs/ha/day), net income (Rs. 33183/ha, 5860/ha) and B:C ratio (1.76, 1.32) were recorded under rice- green gram and rice-fallow respectively. Therefore, it could be concluded that Green gram is an option for growing in residual soil moisture just after harvesting of Jhum rice for getting not only additional income of the farmers but also enhance the soil fertility which ultimately increase the yield of succeeding crop.

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Manoj Kumar*

Krishi Vigyan Kendra, Longleng, Nagaland, INDIA

Krishi Vigyan Kendra, East Sikkim, Ranipool, Sikkim, INDIA

K.L. Meena

Krishi Vigyan Kendra, Longleng, Nagaland, INDIA

D.J. Rajkhowa

ICAR RC for NEH Region, Nagaland Centre, Medziphema, Nagaland, INDIA

L.K. Baishya

ICAR RC for NEH Region, Nagaland Centre, Medziphema, Nagaland, INDIA

Anup Das

ICAR RC for NEH Region, Tripura Centre, Agartala, INDIA

Rakesh Kumar

ICAR RC for Eastern Region, Patna, Bihar, INDIA

A. Namei

Krishi Vigyan Kendra, Longleng, Nagaland, INDIA

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Reference

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