Este Publication no existe en su idioma, Ver en: Tiếng Việt (vi), English (en),
O usar Google Translate:  

ECHO Asia Note Articles (Chino)

Regresar a todos los recursos en Chino





  1. Playing with Water Wheels: Exploring Low-Cost Methods for Pumping Irrigation Water
    1/3/2022 As we began looking into sustainable and alternative solutions for pumping water, our team began ‘playing around’ with the idea of water wheels for the supply of irrigation water to low elevation farmland. We initially began with research and testing of a pump called a Sling Pump, but gave up...





  2. A ‘Successful Failure’: Introducing SALT Technology in Northern Thailand
    1/3/2022 Dave had come to Thailand two years prior exactly for the opportunity that he was now presented with. Ethnic minority hillside farmers had been experiencing lower crop yields even with their efforts in using more chemical fertilizer.





  3. Establishing a Scaled-Up Black Soldier Fly System
    1/9/2021 Critical to the success of a small-scale farm is its ability to turn on-farm waste into alternative value-added products. By integrating the Black Soldier Fly (Hermetia illucens) on the farm, small-scale enterprises can do just that. Taking common waste products such as food scraps and manure,...





  4. An Innovative ‘Do-All’ Biochar Burner Design
    1/9/2021 [Editor’s Note: There are many biochar burner designs currently in existence, intended for various scales and end uses in mind. This particular design has becomea favorite of the ECHO Asia farm staff, for its ability to produce larger quantities of pyrolyzed material and wood vinegar at the same...





  5. I Suspect ASFV on my Farm
    1/6/2021 What Steps Should I Take?





  6. [Example] Small Farm Biosecurity Plan
    1/6/2021 [Editor’s Note: This is only one example of a biosecurity plan for small-scale pig operations in one region and may be used as a template. It is unlikely that all measures will be practical or appropriate for your context and should therefore be adapted according to the needs and priorities of...





  7. African Swine Fever Virus: Overview and Prevention on the Small Farm
    1/6/2021 As global prosperity has risen, so too has demand for animal protein. Pork has become the most consumed meat of terrestrial animals at 37% of total global meat consumption (Beltrán-Alcrudoet al., 2017). Pork production most drastically increased in Asia (Figure 1), accounting for as much as 55%...





  8. Production of Vegetable Fern (Diplazium esculentum Reytz.) Under Varying Levels of Shade
    1/2/2021 Several species of edible ferns exist around the world, ranging from the tropics to more temperate regions, and most commonly include the bracken ferns (Pteridium spp.), ostrich fern (Matteuccia struthiopteris), and the Stenochlaena spp. ferns. However, the focus of this study is on the vegetable...





  9. Stingless Beekeeping (Meliponiculture) on Java
    Stingless Beekeeping, or Meliponiculture, is the keeping of bees from the tribe Meliponini. Stingless bees comprise hundreds of species with there being a possible 89 confirmed species in Subtropical/Tropical Asia and Australia alone (Rasmussen, 2008); and, while many are able to produce honey,...





  10. The Martinez Airlift Pump: Lifting Water with Air
    Water pumps have long been a key component of the small-scale farm and are valuable labor-saving devices that offer a variety of practical applications. Pumps ofdifferent types are regularly used for water storage & filtration, irrigation, aquaculture systems, and more. While convenient and...





  11. Do all parts of a chaya plant contain hydrocyanic acid?
    Leaves of tropical crops like chaya (Cnidoscolus aconitifolius) and cassava (Manihot esculenta) contain cyanogenic glycosides, toxic substances that release hydrocyanic acid (HCN; also referred to as cyanide or prussic acid) when cells are crushed. Consuming these plants without cooking them can...





  12. Cyantesmo Paper for Detecting Cyanide
    Some tropical crops contain cyanogenic glycosides, toxic substances that release hydrocyanic acid (HCN; also referred to as cyanide or prussic acid) when cells are crushed. Consuming these plants without cooking them can cause cyanide poisoning, with varying effects depending on cyanide levels...





  13. Tomato Grafting in Southeast Asia: A Useful Technique for Rainy Season Production
    Tomatoes are difficult to grow during Southeast Asia’s hot and humid monsoonal rainy season. A combination of waterlogged soils, increased disease pressure, and high temperatures often kill young tomato transplants or significantly reduce yields. As an introduced crop, originally from South...





  14. Making On-Farm Pig Feed: Farm-Generated Formulas vs. Commercial Feeds
    This article is from ECHO Asia Note # 42 The integration of livestock on the smallholder farm is often a key component to the long-term sustainability of the farm, specifically by means of critical nutrient cycling. Livestock play a unique and critical role on the farm, transforming plant and...





  15. Backyard Vermicomposting Systems: Examples from Myanmar
    Introduction to Vermiculture There are over 6,000 species of worms in the world, many of them not even named or studied. However, the farmer is interested in two main categories of earthworms, namely “deep burrowers” and “surface dwellers”. Deep burrowers include the common garden worm or...





  16. Low-Cost Natural Building Options for Storing Seed in Tropical Southeast Asia
    Introduction Given the proper facilities necessary to store seeds long-term, whereby low temperature and low humidity are kept stable over time, it is very possible to store most orthodox seeds for several years at a time in the tropics (Harrington, 1972). Unfortunately, implementation and...





  17. Refugee Camps as Microcosm: Restoration & Sustainability in an Accidental City
    [Editor’s Note: This article seeks to address the broader challenges of food security in refugee camp environments, of which there are many within our Asia region, while offering individual practical options that may be implemented to address the need for nutritional diversity in these...





  18. Preventing Insect Damage of Stored Seed Using Low-Cost Control Options
    This article is from ECHO Asia Note # 37. Seed saving in sub-tropical and tropical climates is challenging. Without equipment designed to maintain dry and cool environments, the quality of seeds may quickly deteriorate. High temperature and humidity during storage increase seed metabolism and...





  19. Rice Hull Gold - 10 On-Farm Uses of Rice Hulls
    This article is from ECHO Asia Note # 37. One of the great challenges of sustainable agriculture is the sourcing of adequate and affordable organic (carbon based) resources that can be used on-farm for the production of food and feed. Utilizing composts, manures, mulches, and other organic inputs...





  20. Soil Amendments for Healthier Soils
    This article is from ECHO Asia Note # 36. Soil chemical, physical, and biological properties range from those highly favorable to plant growth to those highly unfavorable to plant growth. It is rare—especially in the tropics—to find a soil in its natural state in which all properties are highly...





  21. The Value of a Seed: Growing a Network of Community Level Seed Banks in Asia
    This article is from ECHO Asia Note # 36. As an organization that seeks to equip people with agricultural resources and skills, we often find ourselves coming back to the seed. Again and again we witness the value saving open-pollinated seeds, shedding light on locally adapted and underutilized...





  22. Putting Biochar to Use at the Edge: Quality, Soils and Measurement
    This article is from ECHO Asia Note # 35. Dr. Michael Shafer is a retired Professor of Political Science from Rutgers University in the USA who founded the Warm Heart Foundation in 2008. After first learning about biochar at an ECHO conference in 2013, Warm Heart began to design and test improved...





  23. Livestock Integration on the Tropical Smallholder Farm
    This article is from ECHO Asia Note # 35. One of the best things that you can do to complete your sustainable farm or garden is to balance it with a small livestock unit. Livestock integration is fundamental #10 in my book Sustainable Agriculture in the Tropics. If you read ECHO Asia Notes,...





  24. An Innovative, Inexpensive, Environmentally Friendly Method to Pasteurize Mushroom Media in the Tropics Using a Styrofoam Box
    This article is from ECHO Asia Note # 33. Mushrooms such as oyster mushrooms (Pleurotus ostreatus) are usually grown in plastic bags filled with organic material that may include organic farm wastes. That material must be sterilized (heated to temperatures above 100C) or pasteurized (heated to a...





  25. Op-Ed: Forage Plants for Improved Human Development
    This article is from ECHO Asia Note # 33. I read David Price’s concerns about promoting invasive forage plants in Asia Note #25 [Eds’ Note: AN #25 was written in response to AN #23] and would like to respond based on my own experience and observations. My reply will be based on the following...





  26. Inexpensive Mass Propagation Techniques for Introducing Improved Potato Varieties in the Tropics
    This article is from ECHO Asia Note # 32. Dr. Tapani Haapala Potatoes (Solanum tuberosum) contain high-quality food properties and are very good protein and energy sources on a daily per hectare basis of production (Frusciante et al. 2000). Potatoes are grown mostly in cool climate areas. In the...





  27. Comparing Locally Available Waste By-Products as Feedstocks for Gasifier Cook-Stoves
    This article is from ECHO Asia Note # 32. In many developing world households, meeting the daily energy needs required for cooking is burdensome and costly. Fortunately, low-cost cooking methods that require less fuel while burning more cleanly and efficiently are becoming available at the...





  28. Feed Options for Ruminants in the Tropics
    This article is from ECHO Asia Note # 31. The amazing multi-stomached ruminant comes in many forms, with varied nutritional requirements. Ruminants are even-toed, cloven-hoofed, four-legged, cud-chewing mammals of the suborder Ruminantia (within order Artiodactyla). Cattle, water buffalo, goats,...





  29. Un secador de semillas de bajo costo para bancos de semillas locales
    Este artículo aparece en ECHO Asia Note # 31. Almacenar sus propias semillas puede ser una manera económica de poder tener acceso a semilla para sembrar en el futuro y ayudar a mantener la biodiversidad vegetal del planeta. Ya sea que siembre las semillas que usted mismo almacenó, las regale a...





  30. Permaculture in Development
    This article is from ECHO Asia Note #30 The word permaculture is mentioned with increasing frequency in speeches, books and magazine articles on sustainability and food security. What is permaculture? Is it a movement? A philosophy? Simply a set of design tools? In this article, I answer the...





  31. Soils of Mainland Southeast Asia
    This article is from ECHO Asia Note #30 Editor’s Note: Peter is a freelance consultant based in Chiang Mai, Thailand, with a M.Sc. in Agriculture from Leipzig, Germany. Peter is a former researcher in “The Uplands Program,” a collaborative research program between Hohenheim University (Germany),...





  32. A Primer on Coffee Harvesting and Processing
    This article is from ECHO Asia Note #29 Processing methods for coffee can drastically change the quality and taste of the final product, for better or for worse. By choosing a method that positively impacts quality, flavor, and cost, a coffee producer can optimize the coffee’s potential, at the...





  33. Diagnosing Crop Nutrient Deficiencies in the Field
    This article is from ECHO Asia Note #29 The old adage ‘You can’t fix a problem if you don’t know you have one’ underpins the basic science of diagnosing plant nutrient deficiencies. For years, farmers and scientists have worked together to identify a set of visual clues that can be used to...





  34. Farm-Generated Feed: Chicken Feed Production
    This article is from ECHO Asia Note #28 Farm-generated fertility contributes to a more sustainable agricultural system. Crop residues and manures are part of the nutrient cycle for plant production and can lower input costs through the use of thermophilic composting, vermiculture, bokashi...





  35. Seed Saving in the Tropics: Lessons Learned from the Network
    This article is from ECHO Asia Note #28 For both farmers and researchers in the tropics, seed saving can be very frustrating. In Mondulkiri province, farmers are rarely able to keep seed for more than the six months between harvest and the new planting season. Seeds stored longer than this tend...





  36. Soil Microorganisms: What They Do and How to Measure Them
    This article is from ECHO Asia Note #27 Microorganisms are defined as any living things too small for the eye to see; they include fungi, algae, and bacteria (Rao, 1995). These small organisms can be found everywhere: in water, air, and in the soil. On a farm, microorganism numbers are especially...





  37. Constructing an Improved Cold Room for Seed Storage
    This article is from ECHO Asia Note #27 When planning to construct a “Cold Room” or “Seed Storage Room” for the purpose of preserving seed viability, one must first consider principles for optimum seed storage. InECHO Asia Note 14(July 2012), we shared results from our comparison of vacuum...





  38. Options for Smallholder Farms: Water Management Design Principles
    1/9/2015 This article is from ECHO Asia Note #26 At the beginning of last year, Thailand experienced its most severe drought in twenty years. Only four years ago it also experienced its most severe flooding. Natural disasters are occurring with increasing frequency and severity; it is therefore vital to...





  39. An Introduction to the Mound, Reservoir, and Paddy Model of Water Management
    15/12/2015 This article is from ECHO Asia Note #26 This series of articles on water management has been reprinted with permission from Thailand’s Natural Farming Magazine and serves as an introduction to small-scale water management. Many of the ideas offered in these articles are consistent with...





  40. Making and Testing an Alternative Herbicide for Smallholder Farmers
    This article is from ECHO Asia Note #26 ECHO Asia Impact Center staff members first heard about alternative herbicide recipes that use fermented papaya and pineapple from a retired technical school teacher and organic farmer, Kru Pratoom. As weeding is a big part of any farmer’s life, the Seed...





  41. Farm-Generated Feed: Hog Feed Production
    1/8/2015 This article is from ECHO Asia Note #25





  42. Bringing Balance and Caution to Tropical Forage Crops
    1/8/2015 This article is from ECHO Asia Note #25 Invasive alien species (often IAS in the literature) are those species introduced to an area outside their normal or native range, either purposefully or by accident, whose colonization causes significant harm. The species may become weeds, pests or...





  43. Tricho-Composting in Bangladesh
    15/6/2015 This article is from ECHO Asia Note #24 Tricho-compost is the material that results when spores of a beneficial fungus, Trichoderma sp. are used in the composting process. Trichoderma sp. are natural competitors against a wide range of harmful fungi; when it is added to compost, the latter can...





  44. Neem for Sustainable Pest Management and Environmental Conservation
    15/6/2015 This article is from ECHO Asia Note #24 Increased awareness of the potential of neem tree by creating awareness of its potential would go a long way in promoting its acceptance for pest management and improvement of plant health, animal health, human health, and environmental health.





  45. Working with Farmers in Malaysia
    15/2/2015 This article is from ECHO Asia Note #23 In Malaysia, agriculture is practised by a range of farmers – from subsistence cultivators of the soil to sophisticated, commercially-driven entrepreneurs. The latter group are quite adept at assessing the latest in technology and varieties, and already...





  46. The Use of Tropical Forages for Livelihood Improvement in Southeast Asia: A Focus on Livestock
    15/2/2015 This article is from ECHO Asia Note #23 In its simplest definition a forage is any plant material grazed or fed to livestock. However, a more specific definition that’s presented in this article focuses on plants (grasses and legumes) that are planted specifically to provide superior feed...





  47. Lessons Learned from Cement Ring Aquaponics Systems in Northern Thailand
    15/10/2014 This article is from ECHO Asia Note #22 Today, if someone were to ask me to help build a small system on their urban rental property, would I use cement rings? The easy answer is yes, but....





  48. A Low-Cost Concrete Ring Aquaponics System
    15/10/2014 This article is from ECHO Asia Note #22 Currently, we have two 16 x 1 meter floating raft troughs, and one 16 x 1 meter rock bed that are connected to six 1 cubic meter fish tanks by PVC piping (elements 1 and 2 above). We also have three smaller stand-alone aquaponics units that we use as...





  49. SRI Transplanting Tools
    14/6/2014 This article is from ECHO Asia Note #21 This article contains diagrams of the SRI RollingMarker, Rotary Weeder, and Grass Cutter discussed in other articles from Echo Asia Note 21.





  50. SRI Roller Planting Marker
    14/6/2014 This article is from ECHO Asia Note #21 Wanpen’s roller planting marker was developed from her experience. When a problem occurred, she would alter and develop the tool according to the problem and rice variety. Wanpen’s tool was designed to be lightweight, easy to handle and convenient to use....





  51. Learning from Farmers
    14/6/2014 This article is from ECHO Asia Note #21 It was an afternoon of 2002 when I first read about SRI. As an extension officer in the District Agriculture Development Office (DADO), I started promoting SRI in the following years in the district of Morang, Nepal. Over this time I observed hundreds of...





  52. Increase Yields and Save Money with Innovative SRI Tools
    14/6/2014 This article is from ECHO Asia Note #21 The System of Rice Intensification (SRI) is a promising rice-farming methodology that is able both to lower production costs—of seed, fertilizer, chemicals, and water—and to increase yield by enabling each rice plant to reach its full potential. However,...





  53. Farm-Generated Feed: Fish Feed Production
    This article is from ECHO Asia Note #20 Farm-generated fertility makes agriculture more sustainable. Crop residues and manures are part of the nutrient cycle and can lower input costs through the use of thermophilic composting, vermiculture, bokashi production, or green manures. Farm-generated...





  54. Producing the Biocontrol Fungi Trichoderma and Beauveria
    This article is from ECHO Asia Note #20 In nature, dozens of species of harmful fungi can quickly kill a plant, including Fusarium spp., the causal agents of Fusarium wilt, and Phakospora pachyrhizi, the causal agent of soybean rust. Fungi are unable to produce nutrients on their own, so they...





  55. Running a Diesel Engine on Biogas
    This article is from ECHO Asia Note #19 It iscompletely possible to run a diesel engine on biogas; however, a number of considerations must be taken into account before it may be considered a serious option in a development program. This article will explore some key considerations when...





  56. Research Note: Creating an Optimum Potting Mixture for Resource-Constrained Growers
    This article is from ECHO Asia Note #19 In a tropical setting, growing seedlings can be a difficult task. A major factor of concern for nursery production is water-logging (Zhu, 2007). During the rainy season, oversaturated soils can effectively suffocate root systems of a seedling by restricting...





  57. The Participatory Approach: Illustrations from Experience
    This article is from ECHO Asia Note #18 “Participatory methods” in community development initially emerged in the 1970s, and interest in their use has continued to increase among practitioners, especially in recent years.1 Many practitioners agree that this growing acceptance is a good thing, as...





  58. Sustainable Decentralized Water Treatment for Rural Developing Communities Using Locally Generated Biochar Adsorbents
    This article is from ECHO Asia Note #17 Contamination of drinking water sources by harmful synthetic organic compounds (SOCs), such as pesticides, is a major worldwide problem. Pesticide pollution appears twice in the top ten of The World’s Worst Toxic Pollution Problems Report 2011 by the...





  59. An Introduction to Bokashi Fertilizers and Soil Amendments
    This article is from ECHO Asia Note #17 Around the world, many agriculturists and gardeners are adopting soil amendments and fertilizers that are called bokashi. Bokashi is a Japanese word that has no good translation into English, according to Yukiko Oyanagi, a staffer with the Asian Rural...





  60. A Toolkit of Resilient Agricultural Responses to Climatic Challenges in Tropical Asia
    This article is from ECHO Asia Note #16 During the 2012 ECHO Agriculture Workshop in Yangon, 63 attendees representing at least 25 agriculture and community development organizations from across Myanmar were polled about their observations and opinions related to climate change. The vast majority...





  61. How to Facilitate Seed Exchanges During Country Meetings or as a Single-Day Event
    20/3/2013 This article is from ECHO Asia Note #16 Since 2011, ECHO Asia has developed and facilitated seed exchange events during meetings with local partners. Through conversations with farmers and NGO staff, we have gained better insight about locally-important plant varieties, seed saving practices,...





  62. Demystifying Soybean Production and Marketing: Our Experience in Laos
    1/10/2012 This article is from ECHO Asia Note #15 Editor: Between 1997 and 2009, Kirby Rogers worked as part of a team to establish an agriculture-based business called Natural Products (NPI) in Bokeo, Laos. Much of this effort involved promoting soybean as a local cash crop as well as developing related...





  63. Soil Quality Assessment: Why and How
    1/10/2012 This article is from ECHO Asia Note #15 Soil quality, also known as soil health, is the capacity of the soil to function – how well it fills the roles we need it to, whether in a natural or managed ecosystem. There are a variety of measures used to gauge soil health and although we can use these...





  64. The Crop Genetic Pump: A Possible Task for NGOs
    1/7/2012 This article is from ECHO Asia Note #14 Editor: Dr. Dick Tinsley is an Emeritus Professor with Colorado State University. With decades of experience as an advisor to smallholder agriculture development projects, he was worked in numerous locations across Asia and Africa. In this article, Dr....





  65. Empaque al Vacío vs. Refrigeración: ¿Cuál es la manera más efectiva de almacenar semillas?
    1/7/2012 Este artículo aparece en ECHO Asia Note #14 Introduccíon Almacenar semillas en el trópico a menudo resulta difícil pues con altas temperaturas y condiciones húmedas, las semillas pierden su capacidad para germinar con rapidez. Existen muchas técnicas para almacenar semillas, desde los estándares...





  66. Vegetable Production Through the Rainy Season
    1/4/2012 This article is found in ECHO Asia Note #13 The cool, dry season offers the best window for vegetable production in the tropics, assuming an adequate water supply. Pest and disease pressures are relatively low and temperatures are moderate. By contrast, the rainy season brings a combination of...
  67. Three Cheers for Job's Tears: Asia's Other Indigenous Grain
    1/4/2012 This article is found in ECHO Asia Note #13 Introduction In many parts of tropical Asia, especially on rainfed farms, there has been an explosion of acreage planted in maize. The increase in commercial maize production is driven by growing livestock feed demand, and is displacing many traditional...





  68. Seed fairs: Fostering local seed exchange to support regional biodiversity
    This article is from ECHO Asia Note #12 Introduction When you come across an especially promising local variety of a crop grown in your area, how can you enable other farmers to try out this variety? If a farmer gives you 30 seeds of an exceptional variety, how might you go about distributing...





  69. The Use of Green Manure/Cover Crops for Relay Cropping in Northern Thailand
    1/7/2011 This article is from ECHO Asia Note #10 Introduction During the late rainy season, the permanent hill fields that surround a cluster of hilltribe villages in the Chiang Dao district of northern Thailand radiate various hues of green. These verdant fields, belonging to ethnic Lisu, Lahu, Akha,...