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Showing items 109 through 117 of 313.
Many a dogma produced by agricultural policies over the past decades has proved disastrous for African agriculture.
Initially hailed a huge success, Malawi’s effort to boost agriculture with fertiliser subsidies appears to have met with failure. The author has a look at what went wrong, arguing that developments must be assessed against the backdrop of politics.
Recent studies have shown that modern breeding for high yield, visual appearance and long shelf life led to an unintentional decline in taste and the content of essential nutrients in vegetables.
Twenty-seven nations are classified as ‘water scarce’, a further 16 as ‘water stressed’. This situation, coupled with the fact that many surface and groundwater systems are shared between two or more states, has led governments to develop sustainable water management strategies.
Last year Angola earned 48 billion US dollars from petroleum. Yet the country that was once Africa’s largest agricultural producer is reduced to importing food. Now the government and private investors want to develop the agricultural sector, in the hope that Angola could become a new Brazil.
We are continuously transforming a resource that is both essential and finite: our soils. We do so in a way that has serious social, economic and ecologic implications. There is an urgent need to shift these transformations to more sustainable pathways.
ELD is a joint initiative of Germany, the European Commission and the United Nations Convention to Combat Desertification (UNCCD). ELD offers a strong platform for raising public awareness of land degradation and advocating sustainable land-use strategies.
Soils around the world are degrading rapidly, reducing ecosystem diversity and some important functions, threatening food and other human securities, and increasing vulnerability to climate change. This is a vicious cycle created by and leading to further unsustainable land-use practices.
Conservation agriculture (CA) is an important form of sustainable land management, provided that the three basic principles - no tillage, permanent soil cover, diverse crop rotation or intercropping - are always observed.
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