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  1. 2015-10-30 The word permaculture is mentioned with increasing frequency in speeches, books and magazine articles on sustainability and food security. What is permaculture? Is it a movement? A philosophy? Simply a set of design tools? In this article, I answer the above questions by looking at permaculture...  
  2. 2015-01-20 Storing seeds in the tropics can often be difficult; with high temperatures and humid conditions, seeds lose their ability to germinate quickly. Many techniques for seed storage exist, from the high-tech standards of gene banks to simple methods used by villagers for saving their own seeds. All...  
  3. 2015-01-20 Sorghum is primarily self-pollinated, meaning that a sorghum plant will accept pollen from its own flowers. Sorghum can also accept pollen from other sorghum plants (cross-pollination) by means of wind or insect transfer. Cultivated sorghum is generally cross-pollinated between 2 and 10%, with...  

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