The “stalk bioreactor†technology is a modern agricultural bioengineering innovation technology that scientifically utilizes straw resources, greatly increases the yield of melons and vegetables, and improves the quality. Today Xiaobian brought you a greenhouse vegetable straw bioreactor technology.
I. Reactor construction method
The “stalk bioreactor†technology is mainly used in winter-heated greenhouses and early spring large-arch greenhouse crops. There are two ways to use the reactor: one is a built-in reactor, the other is an external reactor, and the built-in reactor is divided into a built-in reactor and an inter-row reactor. Late autumn, winter, and early spring are suitable for built-in type and external type as auxiliary; late spring, summer and early autumn are suitable for external use and built-in supplement. In short: high temperature for external, low temperature built-in, not cold or hot, both internal and external. The external reactor is applied when the price of greenhouse vegetables is high, which can greatly improve the efficiency. Hanzhong can only be built-in type. According to the natural conditions of Hanzhong, it is better to use the built-in reactor under the line. The production procedures are as follows:
1, built-in reactor operating time
In the late autumn, winter, early spring, the built-in reactor under the construction of the bank, if not restricted by the mouth, it is best to do the reactor 10-20 days before the plant is planted, waiting for planting. Late spring, summer and early autumn can be used now.
2, built-in reactor operation time between rows
The build time and operation method of the built-in reactors in the row are in the same way, but the stack is built between the rows, that is, on the walkway. According to the local natural conditions and farming habits, localities can choose the following type or inter-row type.
3. Built-in reactor construction method
Open a ditch 50cm wide and 20-25cm deep. Fill the ditch prepared in advance into the ditch, spread it evenly, and practise it. Fill the straw with a thickness of 18-20cm. Let the straw be exposed to the ground 15cm at both ends of the north and south (to facilitate the ditch). Litong oxygen), and then spread the treated strain evenly on the straw. (If you use straw or wheat straw, you should layer the strain, at least two layers.) Then pat it with the iron shovel and let the strain Leak into a part of the lower layer, then cover the soil 20 ~ 25cm, 3-4 days after covering the soil, pouring water in the ditch to wet the straw, the water surface height reaches three quarters of the height of the ditch. After watering for 3-4 days, the flattening will be done, and the mulch will be covered. Then three rows of vent holes will be made. The hole spacing is 20cm. The hole must be hit on the straw. The depth is based on the penetration of the straw layer. The reactor was built and awaiting planting.
Second, the treatment of strains
The day before or the day of use, in a cool place. Mix 10-20 kg of wheat bran with 1 kg of bacteria, and prepare 1 kg of wheat bran with 0.8 kg of water. First, mix the bacteria and wheat bran and mix well with water. After mixing, it is advisable to use a hand to sew the drip.
Third, the accumulation of fermentation
The treated strains can be used for 4-5 hours of fermentation. When stacking, punch holes on the top of 20cm square, the hole diameter is 5cm, and the hole depth is based on the bottom. If it is not used on the day, it should be diluted to 8-10cm and stored indoors or in a cool place. Continue to use the next day, generally should be used within two days. In order to avoid freezing, it should not be placed outdoors during the night, and if necessary, covered with a breathable material such as a straw curtain.
Fourth, matters needing attention
1. The amount of straw should be well matched with the amount of bacteria used, and 1 kg of strain per 500 kg of straw;
2, do not apply chemical pesticides when watering, especially to ban the application of fungicides, but above the ground can spray pesticides to prevent pests and diseases;
3, watering a large row, 4-5 days after watering should be punched in time, with 14 # steel, every 20cm to make a hole, to hit the bottom of the straw, after the water is blocked, the hole is blocked, then punched, Each time the hole is to be misplaced by 10 cm from the previous hole, and the hole is kept once a month during the growth period;
4, reduce the number of watering, generally 2-3 times the usual cultivation of water, with this technology only one water can be poured, remember not to water too much. Conditional, using water droplets to control water to increase production is best. The watering should not be judged by the kneading method: grab a handful of soil under the surface soil and pinch it with a hand. If it cannot be kneaded, it should be watered immediately, and it can be kneaded into a mass without watering. Moreover, in the case of the first watering and soaking straw, do not pour large water when planting, only pour the small seedling water.
The characteristics of the application of the built-in straw bioreactor are: three feet, one dew and three are not suitable. Three feet: 1 The amount of straw should be sufficient, the amount of 2 strains should be sufficient, and the first 3 watering should be sufficient. One dew: the two straws in the built-in ditch are to expose the hoe. Three should not be: 1 ditch should not be too deep, 2 cover soil should not be too thick, 3 holes should not be too late.
The requirements of the built-in straw bioreactor for organic fertilizer: it is best to use horse, cattle, sheep manure, not to use pig manure, raw chicken manure and human excrement, but if there is no horse manure and sheep manure, only pig manure chicken manure Excrement must be piled up half a year in advance, and human excrement must be fermented in the biogas tank before use.
The greenhouse vegetable straw bioreactor technology transforms the straw into the carbon dioxide (CO2), heat, disease-resistant spores and organic and inorganic nutrients required for plant growth under the action of the special strains of the reactor. Therefore, farmers who need it can quickly come to Huinong.com to learn from it.
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