Tunnel fermentation-based rice seedling raising medium and preparation method thereof

Abstract

The invention discloses a tunnel fermentation-based rice seedling raising medium and a preparation method thereof. The tunnel fermentation-based rice seedling raising medium comprises organic fermentation materials, vermiculite and calcium superphosphate, and the mass ratio of the organic fermentation materials and the vermiculite is 12.6-19.6:8.8-4.8; the organic fermentation materials are crushed, screened and mixed with the vermiculite according to the ratio above and then pH-regulated to <=7 through the calcium superphosphate to obtain the tunnel fermentation-based rice seedling raising medium. Compared with traditional nutrient soil media, the tunnel fermentation-based rice seedling raising medium has the advantages of (1) being rich in active organic matters and various nutrients andaccordingly capable of culturing robust and well-ordered seedlings, and (2) when applied to substituting for the traditional nutrient soil media, being capable of achieving arable soil protection, decomposing organic waste, protecting the ecological environment, saving labor and cost for seedling raising, achieving low-carbon circulation. When the tunnel fermentation-based rice seedling raising medium is applied to tray rice seedling cultivation, produced seedlings can be robust, developed in root system and high in intertwining strength and percentage of established seedlings; compared withseedling culturing production through common nutrient oil, the tunnel fermentation-based rice seedling raising medium can save cost and increase income by 90-110 yuan per mu (=0.0667 hectares).

Description

technical field [0001] The invention belongs to the field of agriculture, and in particular relates to a seedling-raising substrate based on tunnel fermentation and a preparation method thereof. Background technique [0002] With the development of agricultural mechanization, the adjustment of rural industrial structure and the transfer of rural labor force, the area of ​​mechanized rice transplanting has increased significantly. For example, the proportion of machine-transplanted rice in Nanjing, Jiangsu Province has reached 69%. The demand for machine-transplanted rice seedling raising substrate Increasing. [0003] The blanket-strong seedlings used in mechanized transplanting are to use the nutrient matrix to cultivate the seedlings in the standard seedling tray (580mm*280mm*30mm), and the appearance is like blanket-strong. [0004] In recent years, the production of nutritional substrates that appear on the market usually uses organic waste such as livestock and poultry...

AI Technical Summary

Problems solved by technology

[0007] In view of the problems of uneven decomposing, incomplete decomposition of toxic and harmful substances and unstable physical and chemical properties of fermented and decomposed materials in the production of rice seedling raising substrates from wastes such as livestock and poultry manure and fungus residues in the prior art, it is necessary to improve the existing Quality and Quality of Rice Seedling Substrate

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