The invention relates to an agricultural
microbial agent containing
rhodobacter azotoformans,
lactobacillus plantarum,
pichia farinosa,
amino acid and
maltitol as well as a preparation method and application of the agricultural
microbial agent. According to the invention, marine trash fish and
soybean meal which are rich in
protein are used as main raw materials,
maltitol and molasses
powder are used as auxiliary materials, and after reasonable compounding, different proteins in the raw materials are decomposed under specific
fermentation conditions, so the agricultural
microbial agent which takes various thalli,
amino acid, polysaccharides and the like as efficient components is prepared. The agricultural microbial agent can effectively improve the micro-
ecological environment of soil and promote the conversion of organic matters in the soil, and various bacteriostatic active substances generated by beneficial microorganisms can enhance the ability of crops to
resist various diseases, reduce the occurrence of soil-borne diseases and promote the robust growth of plants. The agricultural microbial agent can effectively promote the formation of a
soil aggregate structure, enables the soil to become loose and fertile, and is beneficial to cultivation and growth and development of
crop roots. The agricultural microbial agent contains rich organic matters, and can activate
plough layer soil, improve the
water retention capacity of the soil, enhance the
adsorption effect of the organic matters, absorb and accommodate various
nutrient substances, effectively avoid
nutrient loss, improve the
fertilizer utilization rate and enhance the
fertilizer retention and supply capacity and buffer capacity of the soil.