If African farmers are going to feed the continent, they may first want to feed the soil. Studies show farmland is often depleted of vital nutrients. But researchers say a combination of organic farming methods may help. Since the global food crisis several years ago, greater investment is being made in smallholder farms. Most of the farms in sub-Saharan Africa are smallholder, consisting of about one or two hectares. One of the goals is to boost yields without necessarily clearing more ...
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