Let's take a look at it for me: is it feasible to raise pigs in barren mountains and fish in pig manure?

New take over a mountain, close to a small reservoir, (mountain 150 mu, water area of about 30 mu). Preliminary ideas and problems: build a pig farm on the mountain, discharge sewage directly to the reservoir, and use pig manure to raise fish, which can solve the problem of sewage discharge. 1. Whether the arrangement is reasonable. 2. How large the pig farm is suitable. (do not design another sewerage system) 3. How much does it cost to build a pig farm? I am a layman. Do you have any good suggestions for your seniors? Pollution consumption of one mu of land for a sow the actual utilization area of the mountain area is calculated according to the terrain. Pig farm self-breeding generally a sow at least 20 square meters self-breeding a sow 10,000 yuan does not count as pig house construction. It is recommended that the three-stage precipitation of fecal water can cultivate fish. Or they all die. -- raising pigs in barren mountains and raising fish in pig manure is completely feasible.-- Thank you for studying upstairs. -- directly into the reservoir. Isn't that a big dung pit? The purpose of this reservoir is to meet a rainy day, so there are great potential dangers. If you want to save the sewerage system, you'd better not build it, so as not to humiliate Castle Peak. If you want to build a pig farm, you must first tell yourself that you can leave a blue sky for the next generation. Pig dung, feces and urine water into the biogas digester, using biogas dregs and biogas slurry to feed fish should be feasible! This reservoir is no longer used as a source of domestic water, and the contract is clearly responsible for only a small part of farmland water. Pig manure should be put into the biogas digester after fermentation, and then put into the fish pond. Nowadays, although raising pigs is not for the benefit of one side, it should also become a place for everyone to look at. Can the water used for farmland irrigation be ignored? Water is an essential raw material for the biological yield of crops. if the water is rich in nitrogen, phosphorus and other elements, it will be sewage; if the feces contain a large amount of undegraded substances, such as high-copper feed, high-zinc feed, and high-speed feed, then direct discharge may lead to a reduction in crop production, have you considered? If green mountains and green waters are "run" in such a short-sighted way, I'm afraid it won't be long before we all need to live with gas masks.