Mushroom culture on enriched composted sawdust [study conducted in the Philippines]
1981
Silverio, C.M. | Vilela, L.C. | Guilatco, F.L. (National Science Development Board, Taguig, Metro Manila (Philippines). National Inst. of Science and Technology)
The productivity of composted sawdust in the cultivation of Auricularia polytricha (Mont.) Sacc. is highly influenced by the addition of organic and inorganic constituents in the compost. The incorporation of these materials invariably improves the quantity and quality of micro and macro nutrients in the compost which occurr in the form of minerals, vitamins and trace elements and are vital to the growth and development of the fruiting bodies. The variation in the yield between treatments is attributed to the differences in their chemical concentration. The higher biological conversion efficiency (BCE) in T4 (75.81%), T10 (73.13%), T3 (70.77%), T7 (70.52%) and T9 (70.15%) is likewise due to the presence of organic and inorganic sources which supply the optimum concentration of nitrogen as well as trace elements. It was found out that the occurence of these chemical substances at an optimal level resulted in an increase in the yield of Auricularia. Similarly there is an important relationship between the growth of the mycelium and the amount of nitrogen and trace elements which are incorporated into the compost due to the utilization of inorganic ingredients (wuxual and hyponix). Substrate composition proved to be one principal factor affecting Auricularia yield and mycelial ramification.
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