3 results about "Soil humus" patented technology

The invention discloses preparation and application of a plant element insecticide extracted based on a microbial extraction technology, and relates to the technical field of insecticide preparation, the preparation steps are as follows: S1, preparing raw materials including 10-900 parts of a basic microbial agent, 10-700 parts of nutrient substances, 10-500 parts of plant raw materials, 10-400 parts of a functional microbial agent and 10-300 parts of an enzyme preparation; the basic fungicide and the nutrient substances respectively comprise activated EM symbiotic bacteria, molasses, yeast, flour photosynthetic bacteria, diammonium phosphate, mineral source potassium fulvate, lactic acid bacteria and amino acid stock solution. According to the method, after the soil fertility is improved through microorganisms, the soil is activated, and the microbial insecticide containing plant elements is applied, the microorganisms are directly added to the soil, various animal and plant residues and mineral substances in the soil can be more effectively decomposed through supplementation of the soil microorganisms, soil humus is rapidly formed, and the structure and physical and chemical properties of the soil are improved; pest control is obvious; the microbial insecticide containing the plant elements contains a large number of beneficial microorganisms.

This invention discloses a method for enhancing the Maillard reaction and promoting soil humus generation, belonging to the field of soil composition technology. It includes the following steps: (1) Soil collection: Soil samples are collected and impurities such as stones and plant debris are removed. The samples are then air-dried, ground, and sieved for later use; (2) Heat treatment: The sieved soil samples from step (1) are divided into multiple heating containers and heated using a programmed temperature rise method. The samples are then allowed to cool naturally to room temperature and transferred for storage; (3) Humus generation: A soil sample is weighed, and a mixed solution of NaOH and Na4P2O7 is added. The sample is extracted by shaking, and the supernatant is centrifuged and filtered through a filter membrane to obtain a humus HS solution. The humus solution is then freeze-dried to obtain HS freeze-dried powder, which is stored in a desiccator. The method of this invention can effectively induce and enhance the Maillard reaction process, causing low-molecular-weight organic substrates to undergo condensation and rearrangement reactions, thereby promoting the rapid generation of humus.

A method for preparing and applying a ginseng extract without soil odor is disclosed. The preparation method includes the following steps: dissolving the ginseng extract to obtain a ginseng extract solution; separating and purifying the ginseng extract solution using two-dimensional column chromatography (2D-CLC); combining and concentrating the corresponding fractions collected in the second dimension with those collected in the first dimension to obtain the target product. This invention utilizes 2D-CLC technology, leveraging the synergistic effect of separation by molecular weight using gel columns and separation by hydrophilicity / hydrophobicity using reversed-phase silica gel columns, to accurately separate soil odor components (mainly small molecule impurities derived from soil humus) from ginseng extract, effectively removing the soil odor and improving the sensory quality of the extract. This invention employs a specific ratio of eluent and precise elution parameters, which, while removing soil odor components, fully preserves core effective components such as ginsenosides and polysaccharides, without affecting the efficacy and inherent aroma of the ginseng extract, thus solving the problem of effective component loss caused by existing deodorization methods.