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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.

175 Issues in this Publication (Showing issues 104 - 97) |

EDN Issue #104 Supplement - 20/07/2009

We often come across interesting material related to articles in EDN that could not fit into the available space in the issue. We share the most relevant of those here.

EDN Issue #103 - 01/04/2009

Aflatoxin in the Diet Makes the Progression of HIV/AIDS and Hepatitis Much Worse

How Can a Diet Rich in Phosphorus Lead to Phosphorus Deficiency and Other Deficiencies?

Effect of Neem Leaf Extract on N-Fixing in Beans

Artemisia in the News Again

Baobab Gardens for "Leaf Production

Indigenous Leafy Vegetables

EDN Issue #103 Supplement - 20/04/2009

We often come across interesting material related to articles in EDN that could not fit into the available space in the issue. We share the most relevant of those here.

EDN Issue #102 Supplement - 20/01/2009

We often come across interesting material related to articles in EDN that could not fit into the available space in the issue. We share the most relevant of those here.

EDN Issue #102 - 20/01/2009

Jicama

Malted Barley Flour for Malnourished Infants

Seed Storage

EDN Issue #101 - 20/10/2008

Applying Calcium Carbide to Induce Flowering in Pineapple

Inoculation of Leguminous Crops and Trees

Drying Moringa during the Rainy Season

Congratulations to Dr. Martin Price on his Retirement!

Faba bean (Vicia faba)

EDN Issue #100 - 20/07/2008

Crop Protection and Seed Saving

Health-Related Topics

Issue Number 100!

SALT (Sloping Agricultural Land Technology) with emphasis on forage and animal production

Mulch, mulch, mulch

Helpful insights on sawing lumber from tropical trees

Impressive reforestation by taking advantage of the “Underground Forest.”

Experimentation as a way to reach beyond our immediate situation

When tomatoes fail to set fruit or form large fruits

Make your own salt block for livestock

“Micro-placement of fertilizer” to dramatically increase yields with less fertilizer

Is alley cropping right for your situation?

The Importance of Life in the Soil

Underutilized Food Plants

Annual Underutilized Crops

Plants Well-Adapted to Specific Difficult Conditions

Above-ground or Rooftop Gardens

EDN Issue #99 - 20/04/2008

Rapid Multiplication of Banana and Plantain Plants

Farming God's Way - Feedback

Highlights of Dr. Brewbaker’s Leucaena Tree and Sweet Corn Breeding Programs

Fake Malaria Drugs in SE Asia

Tips for Planting Small Seeds

EDN Issue #98 - 01/01/2008

A Successful Approach to Field Cropping in Southern Africa

Low-Toxin Grass Pea

EDN Issue #97 - 20/10/2007

“Cafeteria Feeding” of Chickens

Winged Bean Revisited

How Will Using Agricultural Land for Biofuels Affect Smallholder Farmers in Developing Countries?

Deep Pipe Irrigation: an inexpensive and efficient method to irrigate crops and trees

Pot Drip System for Tree Irrigation

New Advances in Rope Washer Pumps

Controlling Weeds in Tree Plantings