‘Fertilizer’ Trees Provide Boost to African Crop Yields, Study Says
Tuesday, October 18th, 2011
The planting of so-called “fertilizer trees,” indigenous tree species that draw nitrogen from the air and replenish the soil, has significantly improved the crop yields in five African nations over the last two decades, researchers say.
Since the 1980s, when the World Agroforestry (more…)
Posted in 
Africa, Agriculture | 1 Comment »
