Method for producing mechanical transplanting rice seedling raising base material by using seed sludge fermentation biomass in anaerobic tank of domestic sewage treatment plant

Abstract

The invention discloses a method for producing a mechanical transplanting rice seedling raising base material by using seed sludge fermentation biomass in an anaerobic tank of a domestic sewage treatment plant. According to the method, smashed rice/wheat straw and rice husk, dehydrated cow dung or chicken manure or dehydrated domestic sludge subjected to aerobiotic treatment and anaerobic treatment and the like are taken as main raw materials, seed sludge cultured by bottom mud in the anaerobic tank of the domestic sewage treatment plant is added, and a small amount of low-value attapulgite and uniconazole are added. The main materials are mixed according to C/N being about 25, the water content is adjusted to be 60 to 70 percent, and stacking fermentation is performed for 1 to 2 months. When the stack temperature is over 60 DEG C for 2 successive days, turning and throwing are needed, or when the temperature is over 70 DEG C, turning and throwing need to be performed instantly. After fermentation, screening, smashing and packaging are performed to form the mechanical transplanting rice seedling raising base material. The base material has the advantages that the water holding capacity and fertilizer retention capacity are good, the volume-weight is proper, the permeability is good, the acid/base buffer capacity is good, the raised seedlings are uniform, the seedlings are straight and the leaves are green, the roots are broad-flat and elastic, the white roots are many and the root activity and tray connection force are high, and a recover period is not needed or very short after transplantation, and the method can be applied to mechanical transplanting rice factory-like centralized seedling raising.

Description

technical field [0001] The invention belongs to the technical field of machine-transplanted rice seedling raising substrate production technology. It specifically relates to a kind of rice straw, cow dung and other biomass as the main raw material, adding a small amount of low-value attapulgite and a small amount of uniconazole, adding the sludge in the anaerobic tank of the domestic sewage treatment plant as the seed mud, and fermenting to produce the rice seedling raising substrate Methods. Background technique [0002] Since the reform and opening up, with the development of the economy, fewer and fewer people use straw as fuel for cooking in rural areas, and more and more straws are burned in the fields, which not only seriously pollutes the atmosphere, but also affects traffic safety, resulting in series of questions. According to statistics, my country produces 700 million tons of straws annually, but very few straws are utilized as resources, resulting in serious wa...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to solve the problems of waste of biomass resources and environmental pollution such as rice/wheat straw, rice husk, cow dung, chicken manure, domestic sludge, etc. Silt is used as seed mud, and the characteristics of low-value attapulgite, water and fertilizer retention, and bonding properties and the plant

Images