Agricultural labourers India 2 Land use 2 agricultural economics 2 Agricultural economics 1 Agricultural productivity trends in India 1 Agricultural wages 1 Beedi workers 1 Corporate farming in India 1 Cultivation of rice 1 Forced labour 1 Green revolution 1 History 1 Indian agriculture 1 Kerala 1 Kuttanad 1 Labour economics 1 Mobilization 1 Organization 1 Poverty alleviation 1 Rural proletariat 1 Slave labour 1 Social change 1 South India 1 irigation system 1