| abstract |
The invention belongs to the technical field of agricultural fertilizers, in particular to a soilless culture nutrient solution and a preparation method thereof. The soilless culture nutrient solution is obtained by uniformly mixing basic component A and functional component B in a ratio of 2:1 The preparation method of the nutrient solution comprises the following steps: T1: crushing and fermenting the Chinese herbal medicine extraction residue to prepare a mother liquor one, namely functional component B; T2: extracting the supernatant in the biogas tank, and multiplying the supernatant Filtration to obtain mother liquor 2, namely basic component A; T3: on the basis of step T1, mother liquor 1 and mother liquor 2 are uniformly mixed in a ratio of 2:1 to obtain a mixed liquor, and then the mixed liquor is put into deodorization fermentation In the tank, ferment for 2-3 days to obtain the finished nutrient solution; the present invention can provide abundant nutrient elements for crops, and is easy to digest and absorb crops to meet the needs of crop growth. Use to make the product green and harmless. |