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9938 items found (Showing 31 - 40)
  1. Key Resource 2002-01-01 Acidification of soil is a natural process with major ramifications on plant growth. As soils become more acid, particularly when the pH drops below 4.5, it becomes increasingly difficult to produce food crops. As soil pH declines, the supply of most plant nutrients decreases while aluminum and a...  
  2. Key Resource
    2019-01-07 Two broad categories of seeds exist, referred to as recalcitrant and orthodox. The former must be kept moist and planted soon after they are collected; large-seeded fruits such as mango and avocado are typical examples. The second type of seeds are discussed in this document. Orthodox seeds are...  
  3. Key Resource 2018-05-15 This article is from ECHO Asia Note # 38. 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,...  
  4. Key Resource 2019-02-15 This article is from ECHO Asia Note # 37. Introduction 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...  
  5. Key Resource 2002-01-01 Seed storage is often a problem in the tropics. However, if seeds can be properly dried, they will remain viable for a longer period of time. The seed drying cabinet described here can help improve the viability of seeds in storage. What’s Inside: Introduction Description Diagram Observations...  
  6. Key Resource This document presents key steps the ECHO Asia staffused to build an Earth Bag Seed Storage House on the new ECHO Asia Small Farm Resource Center in Thailand.  
  7. Key Resource 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. In ECHO Asia Note 14 (July 2012), we shared results from our comparison of vacuum...  
  8. Key Resource 1992-01-20 In simplest language, agroforestry is the production of trees and of non-tree crops or animals on the same piece of land. The crops can be grown together at the same time, can be grown in rotation, or can even be grown in separate plots when materials from one are used to benefit another....  
  9. Key Resource 2001-01-01 Often the biggest challenge faced by a tropical farmer is not in the production of a crop but rather in the preservation of the crop. Farmers may want to preserve a crop for future consumption or for sale at a time when the market will offer a higher price. Using a solar dehydrator is a simple,...  
  10. Key Resource 1983-01-01 Amaranth [Amaranthus hypochondriacus, A. cruentus(grain type) &A. tricolor(vegetable type)] is an herbaceous annual with upright growth habit, cultivated for both its seeds which are used as a grain and its leaves which are used as a vegetable or green. Both leaves and seeds contain protein...