Bioreactor cultivation method suitable for sunlight greenhouse production

Abstract

The invention relates to a bioreactor cultivation method suitable for sunlight greenhouse production, which comprises the following steps of: reserving substrate grooves on earth in a greenhouse, filling packed straw bales into the substrate grooves and performing ridging, film covering and planting over the grooves. The method is characterized in that: vent pipes are arranged in the substrate grooves; and one end of each vent pipe is inserted into the straw bales, and the other end of the vent pipe is exposed out of a ridge surface. In the method, a bioreactor is started by injecting ferments and a certain amount of urea into the underground substrate grooves when the vent pipes arranged in the straw bales are communicated with air on the ground and earth temperature is reduced in the later growth stage of vegetables to start fermenting straws buried underground, and heat and CO2 are produced in the fermentation process, so the earth temperature is increased and CO2 content in the greenhouse is increased; and simultaneously, water and fertilizers are timely supplied to the substrate grooves by the vent pipes in planting periods, and can directly reach the roots of plants so as to fulfill the aim of saving water and the fertilizers.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, in particular to a biological reactor cultivation method suitable for solar greenhouse production. Background technique [0002] At present, conventional vegetable production in solar greenhouses is mainly based on ridge soil cultivation. The problems caused by this cultivation method are: 1. The soil temperature is low in winter; 2. The air humidity is high due to flood irrigation; 3. The greenhouse gas CO 2 The concentration changes drastically and cannot meet the needs of vegetable growth; 4. The water and fertilizer consumption is relatively large during the planting season. [0003] In recent years, some regions in Northeast China have adopted the plant cultivation method of burying straw in ridged planting land. This method has the following defects: 1. The gas produced by the fermentation of underground straw cannot communicate with the air above the ground, resulting in CO in t...

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Problems solved by technology

[0002] At present, conventional vegetable production in solar greenhouses is mainly based on ridge soil cultivation. The problems caused by this cultivation method are: 1. The soil temperature is low in winter; 2. The air humidity is high due to flood irrigation; 3. The greenhouse gas CO 2 The concentration changes drastically and cannot meet the needs of vegetable growth; 4. The water and fertilizer consumption is large during the planting season

[0003] In recent years, some areas in Northeast China have adopted the plant cultivation method of burying straw in ridged planting land. This method has the following defects: 1. The gas produced by the fermentation of underground straw cannot communicate with the air above the ground, resulting in CO in the air. 2 The concentration is low, which cannot meet the needs of vegetable growth; 2. Since there is no starter and the adjustment of the carbon-nitrogen ratio during straw fermentation, the straw fermentation time is uncontrollable, the heat released by fermentation is small, and the fermentation is incomplete; 3. During the vegetable production process, water replenishment, Supplementary fertilizers cannot directly enter the root system, resulting in low water and fertilizer utilization, increased production costs, and increased air humidity

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