Science news articles about 'subsistence agriculture'

South Africa's poor can lessen the burden of soaring food costs by resuming traditional subsistence agriculture, officials say. Part of Global Food Crisis: A Special News Series.

... years – until population density and deforestation increased substantially and land use changed from small-scale subsistence agriculture to large-scale industrial agriculture and agro-forestry. "We' ...

... the 1980s. The rising population on Kalimantan was accompanied by a change in land use from small-scale subsistence agriculture to large-scale industrial agriculture and agroforestry. In order to ...

... of people at risk as biodiversity loss affects water purification, disease regulation, subsistence agriculture and fishing. Some experts predict that by 2025 not a single Chinese river will reach ...