1. 19.01.1996 Colored Plastic Mulcheshave been found toimprove yields and fruit quality in some vegetable crops.
  2. Short summaries dealing with myths pertaining to horticultural practices : Fertilizers How Plants Work Maintaining Trees and Shrubs Mulches Pesticides (including Compost Tea) Planting Techniques Scientific Literacy Soil Amendments
  3. 20.04.2014 EDN 122 highlighted multi-purpose cowpea varieties with spreading vines that cover the soil. Below is an ECHO research update from South Africa relating our experience so far with a spreading cowpea variety intercropped with maize grown in a Foundations for Farming (FFF) system. “Living carpet”...
  4. 19.07.1997 Scientists at the International Centre for Research in Agroforestry (ICRAF) in Kenya have recently determined that the weedy shrubTithonia diversifoliahas potential as a green manure crop.
  5. 19.11.1997 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.
  6. 19.12.1998 Trees can be an effective source of mulch in drylands.
  7. 19.05.1998 A conversation concerning the difficulty of obtaining mulch in semi-arid areas.
  8. 20.01.2005 These non-leguminous species were used as mulches by ICRAF researchers to increase maize yields. Leaves of both species contain up to 3 percent nitrogen. Surprisingly phosphorus also is found in high quantities in the leaves of these hedgerow weeds.
  9. 20.01.2005 Maradi Integrated Development Project has forced me to question the wisdom of assuming that increases of organic content and fertility are always best.
  10. 20.07.2005 Joel Matthewsreceived some feedbackabout his comments on low fertility soil and traditional varieties in EDN 86. In response, he sent the following additional comment.