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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 136 - 127) |

EDN Issue #136 - 2017-07-17

Crop monitoring for early detection of insect pests

A mystery lychee-related illness is solved

Do all parts of a chaya plant contain hydrocyanic acid?

Echoes from our Network: Women and Agriculture response from Sara Delaney on Farming as a Family Business

From ECHO's Seed Bank: Are my seeds dry enough?

eBook Releases: Crop Options to Improve Human Nutrition and Ways to Diversify the Smallholder Farm 

EDN Issue #135 - 2017-04-12

Biofortified crops: What are they, how do they work and why should we grow them?

The cheers and challenges of Conservation Agriculture programs

Echoes from our Network: Woman and Agriculture feedback from Joel Matthews

From ECHO's Seed Bank: Gac - A colorful and health-promoting fruit

eBook Releases: Options for Restoring Unproductive Soils and Options Where Water is Scarce

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

Bamboo

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