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ECHO Development Notes (EDN)

At the center of our work is ECHO Development Notes (EDN), which we send quarterly to thousands of people in over 160 countries in three languages (English, French, and Spanish). In EDN we share the most helpful, practical information that we come across about growing food under difficult circumstances. 

Within each issue you'll find featured techniques, practices, information and experience to help guide your work in tropical and subtropical agricultural development. Also in EDN are "Echoes from Our Network," "From ECHO's Seed Bank," and more. Issues #1-51 were compiled in the 1990s into the Amaranth to Zai Holes book, which  or you may read it online here. Also, Agricultural Options for Small Scale Farmers, expanded on the foundation from Amaranth to Zai Holes by covering EDN 52 through 100, with articles from outside contributors. Agricultural Options for Small Scale Farmers is available for purchase from the ECHO Bookstore and Amazon.

If you would like to browse EDNs via our Index, please click here.

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EDN Issue #76 - 2002-07-20

Basics of Ruminant Digestion

The Livestock Revolution

EDN Issue #75 - 2002-04-20

Methods of Nematode Management

Sesbania rostrata: A Green Manure Production System for Rice

 

EDN Issue #74 - 2002-01-20

Nutrient Quantity or Nutrient Access? A New Understanding of How to Maintain Soil Fertility in the Tropics

‘Uberlandia’ Carrot 

EDN Issue #73 - 2001-10-20

Control of Mites in Honey Bees

An Improved Method for Ripening Mangoes

Eating Green Leaves

Cranberry Hibiscus

Rice Genome Mapped

Drying Green Leaves in the Sun

EDN Issue #72 - 2001-07-20

Red Palm Oil: More Than Just a Good Source of Vitamin A

Colloidal Silver for Clay Water Filters

ECHOES FROM OUR NETWORK

EDN Issue #71 - 2001-04-20

Enthusiasm for SRI (System of Rice Intensification)

The Effect of Aluminum in Acidic Soils on Plant Growth

Questions for ECHO? Read This First!

Moringa stenopetala, Pigeon Pea, Soybean, African Okra

EDN Issue #70 - 2001-01-20

SRI, the System of Rice Intensification: Less Can Be More 

EDN Issue #69 - 2000-09-20

Now That I’m Here, How Do I Begin?

When Young Children Must Take Chloroquine

Smoked Rice Hulls as Planting Medium for Seedlin

Cow Milk to Control Powdery Mildewgs

EDN Issue #68 - 2000-06-20

New Uses of Moringa Studied in Nicaragu

Producing Onion Powder for Sale and to Extend the Season

Germinating Oil Palm Seed

Prevention of Malaria with Insecticide-Treated Nets

EDN Issue #67 - 2000-03-20

 True Potato Seed Has Many Advantages

A Story Involving Vetiver Grass

Update on Your Bat Control Suggestion

Mike Benge on Bat Houses

Carl Campbell on cashew mildew

Leaf Cutter Ant Control with Sweet Potato

How are allspice, nutmeg, cinnamon and cloves propagated?

Farming by the Stars in the Andes

Our Experience with Bat Control