The formula of nutritive water: 5kg water, 100 pieces Vitamin B, 5g Potassium Dihydrogen phosphate, 5g Magnesium sulfate, 1g Glutamic acid.
After people pick the first flush of mushroom, prepare an empty pipe with the length of 40cm and the diameter of 1cm, fix one side on the nozzle of the sprayer, pump it up, insert another side into the fungi sack and make sure that the insertion length accounts for 80% of the sack length, after the inject, pull the pipe out. In general, a hole with the depth of 30cm could inject 200g of nutritive water, which is conductive to extending the fruiting period and increasing 20% of the production.