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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 #156 - 2022-07-01

Extending Postharvest Life of Fresh Fruit: Harvest for Quality

Chicken Compost System

Echoes from our Network: Microcontroller use

From ECHO's Seed Bank: Allium cepa ‘Awahia’ A Short-Day Onion Option

Books, Websites, and Other Resources: Discount on Roland Bunch's Second Edition of "Restoring the Soil"

EDN Issue #155 - 2022-04-12

Low-Cost Microcontrollers: Applications for Small-Scale Agriculture

Echoes from our Network: A Deep Litter System for Natural Chicken Production

From ECHO's Seed Bank: 'KDV-1' Maize

Books, Websites, and Other Resources: WHO Monographs on Selected Medicinal Plants and Canadian Foodgrains Bank Video Series on Conservation Agriculture and Marketing

EDN Issue #154 - 2022-01-12

Extending Postharvest Life of Fresh Fruit: Harvest at the Right Time

Echoes from our Network: Homegarden Agroforestry

From ECHO's Seed Bank: Chipilín

Books, Websites, and Other Resources: CTA publications, CVM publications, and App Translation

EDN Issue #153 - 2021-10-04

Moringa Productivity with Legume Intercropping

Insect Pest Management: Evaluation and Assessment

Echoes from our Network: Gliricidia-Annual Intercropping System

From ECHO's Seed Bank: ‘Lacinato’ Kale for Home Gardens

Books, Websites, and Other Resources: Food Plant Solutions and Downloadable Books

EDN Issue #152 - 2021-07-06

Insect Pest Management: Options for Controlling Pest Populations

From ECHO's Seed Bank: Everglades (Wild) Tomato

Echoes from our Network: Acacia angustissima Farming Improvement Experience 

Books, Websites, and Other Resources: Soy Kit as an Appropriate Technology for Women Entrepreneurs - A Review

EDN Issue #151 - 2021-04-06

Insect Pest Management: Options for Monitoring Pest Populations

From ECHO's Seed Bank: Apios americana

Echoes from our Network: Subscribe to ECHO Asia Notes!

Books, Websites, and Other Resources: Review of Agroforestry Design ToolTM

EDN Issue #150 - 2021-01-20

Perennial Vegetables and Nutrition

From ECHO's Seed Bank: Factors to Consider when Selecting a Pigeon Pea Variety 

Echoes from our Network: 2020 ECHO International Agriculture Conference

Books, Websites, and Other Resources: ECHOcommunity Mobile App Announcement

EDN Issue #149 - 2020-10-16

Farmer-Centered Climate Change Mitigation: Part 2 of 2

From ECHO's Seed Bank: A Seed Trial Report - How Seeds from ECHO Grew in a Dry-Season Garden in Uganda

Echoes from our Network: Grafting Tamarillo and Other Solanaceous Crops for Nematode Resistance 

Books, Websites, and Other Resources: AT Fair Summary

ECHO International Agriculture Conference - ONLINE EVENT

EDN Issue #148 - 2020-07-17

Farmer-Centered Climate Change Mitigation: Part 1 of 2

Are Crickets a Practical Source of Protein in Tropical Countries?

From ECHO's Seed Bank: Cowpea Varieties for Warm Rainy Season

ECHOes from our Network: Emergency Gardens in a Quarantine World

Books, Websites, and Other Resources: New ECHO Branding, New Technical Note on Earthbag Seed Banks, Restoring the Soil- Second Edition now available through Amazon.com Inc®

EDN Issue #147 - 2020-04-14

Responding in the Case of an Epidemic or Pandemic

A Tip of the Hat to the Tippy Tap

Promoting Biodiversity on Maize Smallholdings: Importance of Birds

From ECHO's Seed Bank: Fast-Growing Plants for Household Food Supply

Echoes from Our Network: 100-Fold Gardens in Honduras

Books, Web Sites, and Other Resources: A Post-Program Review of Grain Amaranth in East Africa