| abstract |
The invention belongs to soil conditioner fields, disclose a kind of soil conditioner comprising glutamic acid fermentation mother liquor, it is prepared in accordance with the following steps: 1) collecting mother liquor and mycoprotein, 2) hydrolysis and neutralization, 3) biological nitrogen fixation preparation is prepared, 4) biological weed control preparation is prepared, 5) prepare composite mineral matter, 6) prepare soil conditioner.Soil conditioner of the invention plays fixed nitrogen in soil and protects potassium and other effects, improves soil, improves soil quality. |