TY - BP AU - Gupta,R. AU - Yadav,R. TI - Chapter 5. Sustainable food production in Indo-Gangetic plains role of improved cultivars in cropping system intensification for small farm holders SN - 9781466598584 PY - 2015/// CY - Florida (United States of America) PB - CRC Press, KW - Foods KW - AGROVOC KW - Varieties KW - Cropping systems KW - Smallholders KW - Yields KW - Agricultural productivity T2 - Soil Management of Smallholder Agriculture ER -