Among five intercrops tried in a rubber plantation in Tripura, net return was maximum for ginger, though it required higher initial investment. Groundnut generated low net return considering the initial investment but the employment requirement was very high and may be suitable only for farms maintained on family labour. The pulse crop, pigeon pea, required less investment with high returns and can suit low to moderate input situations. Sesamum with less initial investment also suits local low-input situations. Turmeric intercropping required high investment but the profit was low. While organic carbon content in soil increased under ginger, sesamum and turmeric intercropping, available P and K increased only with ginger.
Ginger, Groundnut, Hevea brasiliensis, Intercropping, Pigeon pea, Sesamum, Tripura, Turmeric
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