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Indoor Cultivation Techniques for Oyster Mushrooms: Detailed Explanation of Compounding, Filling, and Spawning Methods
1. For the formula of the growing substrate, cottonseed hulls are generally the better choice, because cottonseed hulls are relatively rich in nutrients and also have good air permeability. Choose dry cottonseed hulls with no mold, and it is best to sun-dry them for 2-3 days in advance. The raw material formula is: 100 kg cottonseed hulls, add 2 kg superphosphate, 3 kg gypsum, 0.2 kg carbendazim, and add about 150-160 kg water (depending on how dry the cottonseed hulls are and how much cotton lint they contain). Mix the above raw materials thoroughly, and adjust the moisture until it feels right when squeezed tightly by hand: water droplets appear between the fingers but do not drip