The invention is directed to an organic method of cultivation of mushroom and more particularly the fruit bodies of G. lucidum (reishi) on various cellulosic substrates for continuous production throughout the year, by shortening the crop cycle. In this process, multiple direct context tissue is used for growing mycelia. The spawn is grown using maize grains supplemented with source of calcium, which increases its survival. The grown mycelium in the spawn is transferred by mixing and layer method to a multiple mushroom bed and transferred to a cropping room and then to the harvesting room. The first harvest starts in 22 to 36 days with the total days of crop cycle being 52-54 days, with bio-efficiency up to 90%. In the post-harvesting stage the harvested materials are covered with sheets to get a quality product.
