<Li> The average size of land holdings is very small (less than 2 hectares) and is subject to fragmentation due to land ceiling acts, and in some cases, family disputes . Such small holdings are often over-manned, resulting in disguised unemployment and low productivity of labour . Some reports claim smallholder farming may not be cause of poor productivity, since the productivity is higher in China and many developing economies even though China smallholder farmers constitute over 97% of its farming population . A Chinese smallholder farmer is able to rent his land to larger farmers, China's organised retail and extensive Chinese highways are able to provide the incentive and infrastructure necessary to its farmers for sharp increases in farm productivity . </Li> <Li> Adoption of modern agricultural practices and use of technology is inadequate, hampered by ignorance of such practices, high costs and impracticality in the case of small land holdings . </Li> <Li> According to the World Bank, Indian branch's Priorities for Agriculture and Rural Development, India's large agricultural subsidies are hampering productivity - enhancing investment . Overregulation of agriculture has increased costs, price risks and uncertainty . Government intervenes in labour, land, and credit markets . India has inadequate infrastructure and services . The World Bank also says that the allocation of water is inefficient, unsustainable and inequitable . The irrigation infrastructure is deteriorating . The overuse of water is being covered by over-pumping aquifers but, as these are falling by one foot of groundwater each year, this is a limited resource . The Intergovernmental Panel on Climate Change released a report that food security may be a big problem in the region post 2030 . </Li> <Li> Illiteracy, general socio - economic backwardness, slow progress in implementing land reforms and inadequate or inefficient finance and marketing services for farm produce . </Li>

In india highest revenue generated from the export of which crop produced