Wayanad, which has been in the news for the high number of farmer suicides, is also known for widespread homestead farming. A typical home garden integrates trees with field crops, livestock, poultry and fish. Home gardens form a dominant and promising land use system and maintain high levels of productivity, stability and sustainability, say A V Santhoshkumar and Kaoru Ichikawa.

The Green Revolution impacted livestock-rearing as well as agriculture. Farmers were encouraged to shift from low-input backyard systems to corporatised capital-intensive systems. As a result, write Nitya S Ghotge and Sagari R Ramdas, there was an artificial divide between livestock-rearing and agriculture, leading to the further crumbling of fragile livelihoods of small and landless farmers.

Rice production in India could decrease by almost a tonne/hectare if the temperature goes up 20C, while each 10C rise in mean temperature could cause wheat yield losses of 7 million tonnes per year. A recent national conference on food security and agriculture deliberated strategies to protect agriculture, food and nutrition security in the time of climate change. Suman Sahai reports.

All over India rural revivalists are rejecting the corporatised, programmatic, high-input model of agriculture and following agro-ecological approaches in which shared, distributed knowledge systems provide ways to adapt to changing climate and a shrinking natural resource base.

The massive upward revision of India

Agriculture is the core sector of Indian economy. The share of agriculture and allied sectors in total GDP presently is about 16 percent and it engages nearly 52 per cent of the national workforce. Agriculture therefore continues to remain the principal source of livelihood for the majority of households in India.

Food security has been a cause of concern for the Indian economy as the physical and economic access to food with adequate calorie content from different sources has been on the wane over time. The per capita net availability of cereals and pulses declined from 510 gms per day in 1991 to 436 gms in 2008 as per data thrown by the Economic Survey, Government of India, 2009-10.