In the midsummer season, the author came to the production base of Ketan Organic Tea Factory in Qijiang County, Anhui Province. Looking at it, the contiguous tea garden is full of greenery, and it is like a rural landscape painting. In the distance, three or five groups of peasant women are bending over to trim and weed the tea trees.
Ji Shenfu, the person in charge of Ketan Organic Tea Factory, told the author: “Now we have a total of 1,100 acres of tea gardens, including 280 acres of organic tea gardens. Only the machine tea, this year's output reached 2,100 kilograms, selling more than 36 million yuan. It is a lot higher than in previous years." He said that the "votes" of these income increases are all from the county ecological energy bureau to help him "clam" from the tea garden.
Seeing the author's look confused, Ji Shenfu unveiled the mystery: In the past few years, the Qijiang County Ecological Energy Bureau helped him build a 600-cubic-meter biogas tank. The biogas and biogas produced by this equipment became His magic weapon. “Since the use of biogas fertilizer, the tea garden here basically does not need to apply fertilizer, the insects are less, the pesticides are basically not used, and the per mu plantation also increases production by more than 20%. Through organic certification, the price of tea is steeply increased, and the maximum per kilogram can be sold. To 5,200 yuan."
He unscrewed the sprinkler switch of the tea garden and the biogas fertilizer was sprayed automatically onto the tea tree. “Fertilizers and homemade farmyard manures are likely to be polluted. The biogas fertilizer is a good organic fertilizer. After high temperature sterilization, as long as the tea tree is given once, it can be managed for five years.†Ji Shenfu said that because the biogas fertilizer contains amino acids For the nutrients needed for crops, crops that use biogas are growing faster. “Compared with homemade farmyard manure, tea trees with biogas can be harvested one season in advance, adding a quarterly income to the tea factory.â€
How did these cheap and environmentally friendly biogas fertilizers come out? Under the leadership of the season, the author came to his chicken farm. When it comes to chicken farms, many people think of stench, manure and flying mosquitoes. However, this tens of acres of chicken farms are very clean and tidy, smelling no smell, and full of green eyes. As if walking into a small garden.
Next to the chicken farm, a 600-cubic-meter blue-white fermenter and a 300-cubic-meter biogas storage cabinet with a generator set behind it are erected.
The author saw from the feed station of the chicken farm's power station that the chicken manure cleared from the chicken house was continuously transported by underground pipes to the homogenate hydrolysis acidification tank. After dilution with water, sedimentation and homogenization treatment, It is transported to an anaerobic digester where chicken manure is processed into biogas.
“After anaerobic fermentation of chicken manure to produce biogas, after desulfurization and transportation to the biogas generator set, electricity can be generated. As a result, the electricity expenses for tea, heating and cooking are saved.†Ji Shenfu told the author that power generation The biogas slurry and biogas residue produced later become organic fertilizer. In the aquaculture industry, the planting industry is promoted, and a biogas tank has become an important link for recycling efficient agriculture.
According to Ji Liren, director of the Qijiang County Ecological Energy Bureau, a 600-cubic-meter biogas tank like Jishenfujia can produce 3,000-4,000 tons of biogas fertilizer a year. At the same time, the use of biogas fertilizer as foliar fertilizer spray has the same control effect on pesticides for a variety of crop diseases and insect pests.
Biogas fried tea, biogas liquid medicine, biogas residue fertilizer... Ketan organic tea factory tea production base through the comprehensive utilization of biogas, to achieve diversification effect, the construction of "chicken manure utilization - clean energy - organic fertilizer - green tea - The ecological cycle of agriculture to increase efficiency. With the help of biogas fertilizer, tea gardens and chicken farms have also successfully “hands in hand†and become “good friends†who help each other and promote each other.
In recent years, from the height of developing circular economy and ecological agriculture, Qijiang County has carried out comprehensive utilization of biogas, giving full play to the role of “three marsh†(biogas, biogas slurry, biogas residue), producing organic fertilizer to replace chemical fertilizers and pesticides, and promoting green production of agricultural products. Going out of a rural green circulation development path with biogas as a link.
Ji Liren gave the author an account: taking a small biogas tank of 8 cubic meters as an example, in terms of energy efficiency, it can produce 385 cubic meters of biogas per year, saving 1.5 tons of fuelwood or 1 ton of coal, saving 100 kilowatt hours. The fuel cost is about 300 yuan; in terms of economic benefits, it can provide fertilizer for 20 mu of cultivated land every year, saving 100 yuan of pesticide and fertilizer per mu, and increasing the output of agricultural products after applying biogas fertilizer, and improving the quality; In terms of the 1.5 tons of fuelwood saved each year, it is equivalent to enclosing 3.5 acres of forest, protecting forest vegetation, and reducing emissions of 15 kilograms of sulfur dioxide and 2.7 tons of carbon dioxide. (Farmers Daily)
This article URL: What are the effects and effects of biogas fertilizer? The benefits of biogas fertilizer into the tea garden are high
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