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Ecological farming practices for drought regions

Jul 19, 2010

Greenpeace International's recent publication Ecological farming: Drought Resistant Agriculture discusses effective ways to a more stabilised farming against erratic rainfall patterns. The fact that areas being worst hit are already poor on food security emphasises the need for drought resistant agricultural practices to adapt to the changing climate.

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Ecological farming: Drought resistant agriculture

Publisher: Greenpeace, 2010

Biodiversity and a healthy soil are central to ecological approaches to making farming more drought-resistant and more resilient to extreme events. Resilience is the capacity to deal with change and recover after it.

Practices that make soils better able to hold soil moisture and reduce erosion and that increase biodiversity in the system help in making farm production and income more resilient and stable.

In order to feed humanity and secure ecological resilience it is essential to increase productivity in rain-fed areas where poor farmers implement current know-how on water and soil conservation.

Ecological farms that work with biodiversity and are knowledge-intensive rather than chemical input-intensive might be the most resilient options under a drier and more erratic climate.

In addition to the ecological farming methods described above, continued breeding of crop varieties that can withstand drought stresses and still produce a reliable yield is needed.

Many new drought-tolerant seeds are being developed using advanced conventional breeding, without the need of genetic engineering. There are already examples of drought-resistant soybean, maize, wheat and rice varieties that farmers could start taking advantage of right now.

On the other hand, genetic engineering technology is not well suited for developing drought-resistant seeds. Drought tolerance is a complex trait, often involving the interaction of many genes, and thus beyond the capability of a rudimentary technology based on high expression of few well characterised genes. There is no evidence that genetically engineered (GE) crops can play a role in increasing food security under a changing climate.

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