MIYAWAKI METHOD

  • Miyawaki is a technique pioneered by Japanese botanist Akira Miyawaki, that helps build dense, native forests in a short time.
  • In this technique, various native species of plants are planted close to each other so that the greens receive sunlight only from the top and grow upwards rather than sideways.
  • As a result, the plantation becomes approximately 30 times denser, grows 10 times faster and becomes maintenance-free after a span of 3 years.

Process of Miyawaki forest

  • The native trees of the region are identified and divided into four layers — shrub, sub-tree, tree, and canopy.
  • The quality of soil is analyzed and biomass which would help enhance the perforation capacity, water retention capacity, and nutrients in it, is mixed with it.
  • A mound is built with the soil and the seeds are planted at a very high density — three to five sapling per square meter.
  • The ground is covered with a thick layer of mulch. Thus the cultivation begins.

Benefits

  • This method helps lower temperatures in concrete heat islands, reduce air and noise pollution, attract local birds and insects, and create carbon sinks.
  • Suitable for urban area, where higher pollution, environmental damage is prevalent, with less availability of land for recreation.
  • The Miyawaki afforestation method requires quite a small space, at least 20 square feet.
  • It has revolutionised the concept of urban afforestation by turning backyards into mini-forests.

SOURCE: THE HINDU, THE ECONOMIC TIMES, PIB

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