SC and STs had more than 20 per cent of the country's overall 138.35 million agri-land holdings in 2010-11. Over 80 per cent of total land was held by men, it said.
Interestingly, SC farmers had more land holdings under irrigation than STs in the said period.
According to the Agriculture Census 2010-11 (phase-II) released by the government today, the number of land holdings of SC farmers rose 6.4 per cent to 17.10 million in 2010-11, from 16.07 million in 2005-06.
A large share of farm holdings of SC farmers was in Uttar Pradesh (23.5 percent), followed by Bihar, West Bengal, Andhra Pradesh, Madhya Pradesh, Maharashtra, Rajasthan, Karnataka, Tamil Nadu and Odisha.
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SC women in Andhra Pradesh had the highest proportion, followed by Bihar, UP and Maharashtra, the report said.
As per the report, farm holdings held by ST farmers were largely concentrated in Madhya Pradesh and Odisha, accounting for more than one-fourth of total number of ST holdings (26.8 per cent) in the country.
Out of a total 1.4 million female operational holdings belonging to STs, Andhra Pradesh had the highest with 18 per cent, followed by MP, Chhattisgarh, Maharashtra and Karnataka, the report added.
The census report also found that total number of operational holdings in the country rose to 138.35 million in 2010-11, from 129.22 million (excluding Jharkhand) in 2005-06, an increase of 7.06 per cent.
However, the average size of holdings is estimated to have declined to 1.15 hectare in 2010-11, as against 1.23 hectare in 2005-06. The small and marginal holdings (below 2 hectare) constituted 85.01 per cent in 2010-11.
The nine states -- Andhra Pradesh, Karnataka, Gujarat, Madhya Pradesh, Maharashtra, Rajasthan, Uttar Pradesh, Punjab, and West Bengal -- together account for about 78 per cent of the gross cropped area in the country.
Agriculture census in India is conducted at a five-yearly gap for collecting information about structural aspects of agricultural holdings in the country. Agriculture census data are collected in three phases. So far, two phases have been done.