TY - GEN AU - NGACHAN, S V AU - PRAKASH, N AU - ROY, S S AU - SHARMA, P K AU - SINGH, B S AU - SINGH, I M TI - SUSTAINABLE HILL AGRICULTURE CY - NEW DELHI, TODAY AND TOMORROWS KW - ANIMAL AND FISHERY SCIENCE KW - CROP PRODUCTION AND IMPROVEMENT KW - HORTICULTURE KW - NATURAL RESOURCE MANAGEMENT KW - PLANT PROTECTION KW - SOCIAL SCIENCE ER -