@Calestous @mark_lynas Great! How healthy is my soil should be the first concern of all farmers. Healthy soil retains more moisture.
Replying to @WaterVole
@WaterVole @mark_lynas The New Harvest: Agricultural Innovation in Africa | by @Calestous Juma http://bit.ly/qTE1tj
5:34 AM - 13 Jan 2013
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