Application of bird nest fern in treatment of livestock and poultry breeding waste water
A technology for livestock and poultry breeding wastewater and bird's nest fern, which is applied in the field of natural biodegradation of livestock and poultry breeding wastewater, can solve the problems of annual plants needing to be planted every year and insufficient plant resources, and achieve the effect of easy survival and strong vitality.
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[0027] Under natural conditions, the collected bird's nest fern seedlings were directly transplanted into rubber buckets with a height of 29cm, a bottom diameter of 26cm, and a height of 32cm. A water pipe was arranged at the bottom, and the gravel layer with a thickness of 5cm and a diameter of about 2-5cm was arranged from the bottom to the top. , 10cm thick sand layer, 10cm thick (about 8kg) soil layer, tap water is stable for 15 days. After the plants were stabilized, the livestock and poultry breeding wastewater was irrigated regularly, and water samples were collected and the effluent quality was measured (the hydraulic retention time was set to 7 days). The water inflow in the pot experiment was determined according to the following method: According to the estimation formula (1) recommended by Reed:
[0028] Q = F K - - - ( 1 )
[0029] Where: ...
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