Method for producing mechanical transplanting rice seedling raising base material by using seed sludge fermentation biomass in anaerobic tank of domestic sewage treatment plant
A technology for sewage treatment plants and domestic sewage, which is applied in the treatment of biological organic parts, preparation and application of organic fertilizers, etc., can solve the problems of waste of biomass resources, environmental pollution, and increase the elasticity of rice seedlings.
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Embodiment 1
[0016] A method for producing a machine-transplanted rice seedling raising substrate by fermenting biomass from seed mud in an anaerobic pond of a domestic sewage treatment plant includes the following steps:
[0017] (1) Preparation of raw materials: take the sludge from the bottom of the anaerobic tank of the sewage treatment plant, add wheat bran in a ratio of 1 to 2, and cover the cement tank with plastic film for one week of incubation and activation; crush the rice straw into 1.5cm The rice husk is directly crushed; the dehydrated cow dung from the dairy plant is taken; the dehydrated domestic sludge that has undergone aerobic and anaerobic treatment in the sewage treatment plant is taken; the low-value attapulgite and 5% uniconazole wettable powder are prepared. Determine the C and N content of main raw materials;
[0018] (2) Raw material mixing: According to the C and N content of the main biomass raw materials, the C / N ratio of the mixture is 25, and the total mass of the...
Embodiment 2
[0022] The quality test of the rice seedlings raised by the seedling substrate of the present invention is specifically as follows: the tested varieties are local rice varieties, and the seedlings in the nutrient soil and the substrate are carried out respectively. After 15 days of raising the seedlings, the quality of the seedlings is determined as shown in Table 1. The quality is significantly better than that of seedlings raised in nutrient soil.
[0023] Table 1 Comparison of seedling quality between substrate seedling and nutrient soil seedling
[0024]
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