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31 items found (Showing 1 - 10)
  1. 1997-11-19 Discussion of possible disease organisms in manure. Many of us probably assume health problems originate when food is washed with contaminated water or because of poor human hygiene. However, it could also come from the use of manure as a fertilizer in the field.  
  2. 1995-01-19 Echo's First Agricultural Missions Conference Echos From our Network Keeping Elephants Out of the Fields Innovations in Green Manures New Information on the Toxic Substance in Velvet Beans  
  3. 2004-04-20 Terra preta is very productive soil with long-lasting fertility—unusual in the tropics, where most soils are very weathered, highly acidic, and low in organic matter and essential nutrients. The key to terra preta soils long-term fertility seems to be charcoal; terra preta contains up to 70 times...  
  4. 2017-01-16 Tithonia (Tithonia diversifolia), also known as Mexican sunflower or tree marigold, is a perennial shrub that is native to Mexico and Central America. Often introduced for its attractive flowers, it is now found in humid and sub-humid parts of Africa, Asia, and South America. It grows on most...  
  5. 1994-07-19 Nitrogen fertilizer should not be applied to trees and shrubs directly after transplanting.  
  6. 2005-01-20 Maradi Integrated Development Project has forced me to question the wisdom of assuming that increases of organic content and fertility are always best.  
  7. 1997-11-19 Principles for increasing organic matter in order to increase soil fertility. Little by little, work in a dozen countries has convinced us that the vast majority of soils can be made highly fertile. How? By using our first principle:maximize organic matter production.  
  8. 2014-04-20 Comfrey is a unique perennial plant that requires minimal maintenance after planting and that can give high, sustained yields of nutrient-rich leaves for use as fertilizer, animal feed and more. It is high in potassium (K) and other micronutrients, and seems to improve fruiting and disease...  
  9. 2004-04-20 Rice bean (Vigna umbellata) is one of the top five most commonly grown green manure/cover crops in the world.  
  10. 2008-07-20 Topics briefy addressed: Nematode management. Seed inoculants to maximize the ability ofleguminous plants to fix nitrogen. Bean weevils controlled by tumbling the beans. Controlling seed storage conditions. Saving your own vegetable seeds. Neem leaf tea or neem seed oil to discourageinsect...