At the center of our work is ECHO Development Notes (EDN), which we send to thousands of people in over 160 countries. 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 "ECHOs from Our Network," "From Our Regional Impact Centers," "From Our Seedbank," and more. Issues #1-51 were compiled in the 1990s into the Amaranth to Zai Holes book, which is now available to you online for free. Also, Agricultural Options for the Poor, ECHO's most recent book, expanded on the foundation from Amaranth to Zai Holes by covering EDN 52 through 100, with new articles from outside contributors just for the book. Ag Options for the Poor is available for purchase from our bookstore.

How To Access All EDN Issues:

ECHO Development Notes prior to EDN 127 are available as PDF downloads. For those looking for information from EDN on a specific topic please use the Online Index.


29 Issues in this Publication (Showing Issues 134 - 124)

EDN Issue #134 - 2017-01-16

Women in Agriculture

ECHO International Agricultre Conference 2016 Topic Summaries

From ECHO's Seed Bank: Tithonia for green manure

eBook Release: Fundamentals of Agricultural Development epublication 

EDN Issue #133 - 2016-10-18


A "2:4:2" Maize/Legume Intercropping Pattern

Paper Mulberry: A Complicated Agroforestry Resource

Echoes from our Network: Stinging chaya, fruits for high rainfall areas and exotic leaf miner problem in Nigerian tomatoes

Book Review: Handbook for Integrated Soil Fertility Management

Website Review: Seed Saving Videos from the World Vegetable Center (AVRDC)

EDN Issue #132 - 2016-07-11

Detecting Aflatoxin in Agricultural Commodities

Community Animal Health Workers Support Small-Scale Livestock Production

Echoes from Our Network

From ECHO’s Seed Bank: Marigold for Companion Planting

Save and Grow in Practice: A guide to sustainable cereal production

Upcoming Events

EDN Issue #131 - 2016-04-08

Kitchen Gardens in Burundi – “the new way to grow vegetables”

Use of Moringa Leaf Extract as an Effective and Easy Crop Growth Enhancer

Echoes from Our Network

From ECHO’s Seed Bank: Legume Seed Highlights

The Carbon Farming Solution

Upcoming Events

EDN Issue #130 - 2016-01-25

Tire Contaminants from a Container Gardening Perspective

Cyantesmo Paper for Detecting Cyanide

Effective Use of Workshops in Agriculture Extension

Echoes from our Network

From ECHO’s Seed Bank: Vegetable Seed Highlights

Books, Websites and Other Resources

Upcoming Events

EDN Issue #129 - 2015-10-30

Permaculture In Development: An introduction to permaculture and its application in agriculture development

From ECHO’s Seed Bank: Inca nut (Plukenetia volubilis)

Books, Websites and Other Resources

Upcoming Events

EDN Issue #128 - 2015-07-23

Carbon Farming: Building Soils and Stabilizing the Climate

Farmer Engagement in Agriculture Extension

Echoes from our Network: Negotiating two seemingly contradictory understandings of cooperatives

From ECHO’s Seed Bank: Naranjilla

EDN Issue #127 - 2015-04-30

Private Service Providers: Preferred by Smallholders

Farmer Co-operatives

Echoes from our Network: Conservation Agriculture in Areas with High Rainfall

Books, Websites and Other Resources

EDN Issue #125 - 2014-10-20

Bringing Back the Pollinators

From ECHO’s Seed Bank: ECHO Plants that Attract Pollinators

Echoes from our Network: Cucumber as an intercrop

Book Reviews:

EDN Issue #124 - 2014-07-01

FONDAMA Yard Garden Program

From ECHO’s Seed Bank: 2013/2014 Tomato Observation Trial

From Our Regional Impact Centers

Books, Websites and Other Resources: Perennial Vegetables

In Memoriam: Richard D. Chapin