Vegetable straw microbial organic fertilizer and preparation method thereof

Abstract

The invention relates to vegetable straw microbial organic fertilizer. The vegetable straw microbial organic fertilizer comprises the following components in parts by weight: 60 to 90 parts of vegetable straw, 0.1 to 0.2 part of urea, 10 to 20 parts of inoculums, 20 to 30 parts of turfy soil, and 0.5 to 1.0 part of a microbial agent. The vegetable straw is crushed and is then mixed with the urea and inoculums according to certain ratio, and short time high-temperature anaerobic biogas fermentation is performed. The mixture is mixed with the turfy soil after fermentation, and aerobic compostingis performed. The microbial agent is added at the later stage of composting, and composting is performed continuously for a certain time, so that the vegetable straw microbial organic fertilizer is obtained. The vegetable straw microbial organic fertilizer contains various microorganisms helpful for promoting the growth of plants, improving soil, eliminating peculiar smell and restraining harmfulbacteria, and can greatly improves the added value of products. The vegetable straw microbial organic fertilizer takes vegetable straw which is rich in resources in vegetable industry concentration areas and huge in storage as the main material, is clear and intelligible in technical process, does not pollute the environment, is good in product fertilizer efficiency and high in additional value,and can effectively solve the problems of harmless treatment and resource utilization of vegetable straw. The vegetable straw microbial organic fertilizer has a wide popularization prospect in vegetable industry concentration areas, and has good ecological and economic value.

Description

technical field [0001] The invention relates to a vegetable straw microbial organic fertilizer and a preparation method thereof, belonging to the technical field of agricultural resource utilization. Background technique [0002] After decades of development since the reform and opening up, my country's vegetable industry has gradually grown and become an important agricultural pillar industry in some areas, forming a group of distinctive vegetable industries represented by Shouguang City, Qingzhou City, and Lanling County. concentration area. [0003] Tomatoes, cucumbers, eggplants, peppers, green beans and other fruits and vegetables occupy an important position in the entire industry, with a wide planting area and large production and sales. Taking tomatoes as an example, the planting area in 2016 reached more than 16 million mu, and the annual output reached more than 56 million tons, accounting for 7.1% of the total vegetable output in the country. The edible part of t...

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Problems solved by technology

The conventional treatment methods of vegetable straw mainly include drying them as biomass fuel, returning them to the field after crushing, composting at room temperature, aerobic composting with poultry and livestock manure, anaerobic fermentation to produce biogas, etc. These treatment methods have their own characteristics. To a certain extent, the problem of vegetable straw resource utilization has been solved, but there are still various deficiencies, such as: if the biomass fuel is not fully burned, it is easy to generate highly toxic and harmful substances such as dioxin; Adverse effects; if the method of composting and composting is not fully decomposed, it is easy to become the medium of diseases and insect pests; the biogas residue and biogas slurry after biogas fermentation are huge, and the land is difficult to absorb, etc.

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