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75 items found (Showing 11 - 20)
  1. 1996-10-19 What About Rhizobia Inoculants? How Adequate is Chicken Manure Tea as a Fertilizer? How to Make Fish Emulsion Fertilizer Pigeon Pea and Chickpea Release Phosphates Plant Tissue Nutrient Tests Available at Ohio State University "Feeding and Balancing the Soil" Course International Ag-Sieve
     
  2. 1996-10-19 The International Cover Crop Clearinghouse Enthusiasm for Cover Crops Green Manure Crops Offer Tremendous Advantages to the Small Farm in the Third World, by Roland Bunch What We Have Learned to Date About Green Manure Crops for Small Farmers, by Roland Bunch Innovations in Green Manures Jack...
     
  3. 1998-08-19 The seed of some fifty Australian dry-zone acacia species are a traditional food of Australian Aboriginal people. In Australia they have not been domesticated and until recently have had a low status as “outback bush plants.”  
  4. 2002-01-20 The conventional view of the relationship between soil nutrients and crop productivity in the tropics is leading to both damaging agricultural policies and inefficient and damaging farm-level practices. There is no need to use the huge quantities of chemical fertilizers that are so often...  
  5. 2002-01-20 Several years ago (in EDN Issue 43, December 1993), we wrote that seed was available for a carrot that will set seed in the tropics (normally carrots only produce seed in temperate climates with a cold winter). Dr. Warwick Kerr sent us the original ‘Uberlandia’ carrot seed from Brazil nearly ten...  
  6. 2007-04-20 When a person has been infected with HIV but still has no symptoms of AIDS, the basic metabolic rate (energy requirement) increases and requires 10% more calories each day just to maintain the hidden fight that keeps the virus under control.  
  7. 2007-04-20 In observation trials, each variety is grown in only one plot of ground. Observations from such trials are not as conclusive as with replication. As long as site conditions are fairly uniform, however, they give the experimenter a pretty good idea of likely “losers” and “winners.”  
  8. 2007-04-20 For several years, ECHO staff members have followed reports on the use of Artemisia annua to treat malaria. Though artemisia leaves have been used medicinally to reduce fever for 2000 years, we hesitated to write about it, because it is a temperate plant. But there is now a variety of artemisia...  
  9. 2010-10-20 Photos of the modified seed dryer described in EDN 109