Many pig farmers feel that the treatment of pig manure is not in place, resulting in serious pollution. In fact, the key problem to solve the pollution of livestock manure is to use the manure convenience and turn it into a resource. Xiao Bian today recommended a combination of pig, donkey, crayfish, and greenhouse vegetables, using a scientific combination of breeding and breeding. How to do it?
1. Treatment of pig manure and greenhouse vegetables
The combination model of pigs, clams, crayfish and greenhouse vegetables first needs to carry out dry and wet separation of pig manure, fermenting dry manure to produce organic fertilizer, and separating the separated sewage into biogas digesters, which can produce biogas or use for biogas power generation. The biogas slurry can be directly pumped to the polder or vegetable growing area as a high-quality fertilizer, turning waste into treasure. According to the needs, Putian can raise crayfish, and planting areas around the field can plant greenhouse vegetables to further improve land utilization, increase income and increase efficiency.
It is best to deal with the manure of pigs. If a pig farm with a capacity of 10,000 heads is used to treat manure by planting wheat, then it needs to plant more than 2,000 acres, and the required area is too large. However, because the lotus root needs a large amount of water, the effect of the root on the sewage purification treatment is several times that of wheat, and only 200 mu is needed. The manure of raising pigs will become a good fertilizer, and the lotus root will grow taller and stronger.
2. Treatment of Putian and pig manure
Shallow leeches can be planted when cultivating, because the cultivation of shallow leeches can make rational use of the land not used around the farm. Although the initial construction of the cement pool requires a certain amount of capital investment, it can be used for 10 years after being built, and it can benefit for many years. The shallow water raft is planted in the cement pool. It only needs to add 3-4 times of water during the whole growing season, which can save water and electricity costs, use fertilizer more efficiently, and manage and harvest more conveniently. If the area of ​​Putian is relatively large, it is recommended that the lotus root varieties of early, middle and late ripening should be available, and the lotus roots can be staggered to increase the sales revenue.
3, cockroaches, shrimp, greenhouse vegetables polyculture
Some farmers feel that the crayfish in the lotus roots will not work, because the crayfish will pinch the sputum, which will have a greater impact on the growth of the lotus. In fact, the key to realizing "a combination of lotus and shrimp" is to control the water level. The water level management should be carried out in accordance with the principle of "shallow-deep, shallow and deep". Shallow water, crayfish only move in the deep ditch, not in the shallow water area of ​​the lotus, you can avoid the crayfish pinch off the load. When the stems become thick and old, the crayfish will not be clipped after the deep water.
Because the lotus field is flourishing, various benthic animals and organic debris are abundant, which provides a rich source of food for the crayfish. The crayfish go to the lotus field for feeding and activities, and can also eat weeds and cockroaches. The cost of farming has been reduced, and the use of pesticides in Putian has been reduced, and the quality of lotus roots and crayfish has been improved, in line with the current demand for ecological and healthy agricultural products. Planting areas around the field can be planted in greenhouses, or corn, sweet potatoes, cucumbers, loofah, etc., fermented and fermented pig manure can be applied to orchards and vegetable fields to produce high-quality fruits and vegetables, which can be sold not only as a green feed, but also as a green feed. Hey.
In summary, it is a combination of pigs, donkeys, crayfish, and greenhouse vegetables, which turns manure into usable fertilizers and energy, and improves the comprehensive benefits of planting and breeding. Pigs, shrimps, clams, lotuses and vegetables are mutually beneficial to each other and are an agricultural breeding project worth developing.
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