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133 items found (Showing 1 - 10)
  1. As you work in agricultural development, there may be times that you find yourself wondering about the answer to a specific question you have. For example, should plants be spaced 30 cm or 60 cm apart to achieve the highest yield? Which one of three tomato cultivars would grow best in a...  
  2. Plants contain oxalates for a few reasons. The first is that plants do not have an excretory system like animals, so oxalates allow plants the ability to bind up excess calcium (Webb 1999).Plants high in oxalates can have negative effects on the ability of animals to absorb calcium after eating...  
  3. After modifications to the ECHO Global Seed Bank storage unit, seed storage techniques already in use were assessed for effectiveness in achieving appropriate seed storing conditions within the renovated cooling and dehydrating system.Seed type influenced the effect of container on relative...
     
  4. After 15 years of EDN, I guess it is not too much to include a bit of levity. Economists, agronomists and planners of late Have discovered a new way to pontificate. Beyond mere jargon, like "Success Enhancement," "Integrated Development," and "Rural Advancement." Working in all their infinite...
     
  5. The 2:4 maize–double cowpea system consists of 4 rows of cowpea and 2 rows of maize, all planted on the same day. The second cowpea crop is planted after the first has been harvested (about 60 days after planting).1 The maize and cowpea are densely planted. The objective of this trial is to gain...  
  6. Salt buildup typically occurs in dry areas where evaporation exceeds precipitation. Over time, as water evaporates, the minerals left behind begin to accumulate. Plants need a certain amount of soluble salts, but when the salt content of soil water is greater than that of the water inside plant...  
  7. Some tropical crops contain cyanogenic glycosides, toxic substances that release hydrocyanic acid (HCN; also referred to as cyanide) when cells are crushed. Consuming these plants without cooking them can cause cyanide poisoning, with varying effects depending on cyanide levels and how long a...  
  8. For many of us the idea of “research” is scary. We are not trained in it. We picture rigorous statistical analyses that we are unfamiliar with. We have seen glossy scientific journals with technical words that we do not understand. Besides, isn’t our goal to directly help smallholder farmers? Why...  
  9. 1996-10-19 The Nitrogen Fixing Tree Association Joins the FACT Net Book Review: Multipurpose Trees and Shrubs: Sources of Seeds and Inoculants Honey-Producing Trees Suitable for Multiple Use Book Review: Trees and Shrubs of the Sahel: Their Characteristics and Uses Species Selection for Different Climates...
     
  10. 1996-10-19 ICRAF: the International Centre for Research in Agroforestry Principles of Agroforestry A Tool Kit for Folks Involved in Agroforestry Review: Agroforestry Today Review: "Alternatives to Slash-and-Burn" Bulletin Agroforestry Study Tours Book Review: Restoration Forestry Review: A Networking...