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400,000 farmers in southern Africa using 'fertilizer trees' to improve food security
Date:10/18/2011

NAIROBI, KENYA (14 October 2011) On a continent battered by weather extremes, famine and record food prices, new research released today from the World Agroforestry Centre documents an exciting new trend in which hundreds of thousands of poor farmers in Southern Africa are now significantly boosting yields and incomes simply by using fast growing trees and shrubs to naturally fertilize their fields.

The analysis of two decades of work to bring the soil-enriching benefits of so-called "fertilizer trees" to the nutrient-depleted farms of Africa was published in the most recent issue of the International Journal of Agricultural Sustainability.

"In only five African countries, there are now some 400,000 smallholder farmers using fertilizer trees to provide critically needed soil nutrientsand many report major increases in maize yieldswhich shows that it is possible to rapidly introduce innovations in Africa that can have an immediate impact on food security," said Oluyede Ajayi, Senior Scientist at the World Agroforestry Centre and the paper's lead author.

The study focuses on the rapid adoption of fertilizer trees by farmers targeted in research, training and extension programs in Malawi, Tanzania, Mozambique, Zambia and Zimbabwe. In eastern Zambia alone, the study reports the use of fertilizer trees grew from a pilot project in the early 1990s that involved only 12 farmers to adoption by 66,000 farmers as of 2006. In Malawi, there are now 145,000 farmers using fertilizer trees.

In addition, across the region, researchers have documented a doubling of maize yields on farms employing fertilizer trees compared to those that did not, which has dramatically increased both incomes and food security. In Zambia, for example, incomes for farmers using the fertilizer trees averaged from $233 to $327 per hectare, compared to only $130 for unfertilized fields. And the increased yields provided between 57 to 114 extra days of food
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Contact: Paul Stapleton
p.stapleton@cgiar.org
World Agroforestry Centre (ICRAF)
Source:Eurekalert

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