The invention discloses composite microbial organic bacterial 
fertilizer capable of improving 
salt resistance of seedlings. The composite microbial organic bacterial 
fertilizer is prepared from the following raw materials in parts by weight: 10 to 19 parts of potatoes, 1 to 4 parts of brown 
sugar, 16 to 24 parts of 
chaetomium globosum fermented liquid, 1 to 4 parts of 
disodium hydrogen phosphate, 1 to 4 parts of 
calcium chloride, an appropriate amount of 0.1 mol / L 
sodium chloride solution, an appropriate amount of 0.2 mol / L acetate solution, 23 to 31 parts of 
chitosan, 2 to 6 parts of 
glutaraldehyde, 12 to 19 parts of wheat 
bran, 12 to 18 parts of 
furfural residue, 6 to 11 parts of 
ammonium sulfate, 7 to 13 parts of 
potassium sulfate, 16 to 23 parts of 
manure and an appropriate amount of deionized water. According to the composite microbial organic bacterial 
fertilizer, the 
chaetomium globosum is cultured in a fermenting manner, then the 
chitosan is used for wrapping the 
chaetomium globosum 
fungicide to enable the 
chaetomium globosum fungicide to be slowly released, by virtue of microbial secondary 
fermentation treatment, the demand of crops on various nutrients can be satisfied, the growth of the 
chaetomium globosum strain can be satisfied and promoted, the soil to which the fertilizer is applied can continuously accumulate the nutrients and improve the insecticide and anti-
disease capacity, and the 
salt resistance of the 
crop seedlings can be obviously improved.