(Wu Tianjing, Agricultural and Economic Affairs Office, Shibikeng Reservoir, Huichang County, Jiangxi Province, China Postcode: 342600)
Filter sludge is a by-product of the cane sugar industry. It contains a large amount of crude protein, crude fat, pectin and a mixture of nutrient elements. The organic matter and calcium, phosphorus, and potassium are abundant, and copper, iron, manganese, zinc, The contents of cobalt, magnesium, and sulphur are moderate, and soluble sugar is about 16%. Compared with rice, crude protein content is as high as 42%, crude fiber content is as low as 18%, and phosphorus and calcium contents are 1.9 times and 6.9 times higher, respectively. After 5 to 7 days after the filter mud is applied to the reservoir, the water quality is reddish, and algae such as cryptophytes are easily digested by the fish. It is a high-quality fish feed, and it is an excellent fertilizer for fertilizing bonito.
According to the characteristics of reservoir water depth and large water exchange volume, filter mud is put into sacks or straw bags, and it is put in quarterly quantities. Each time 667 m2 (1 mu) is used in an amount of 60-80 kg, 30-40 kg per bag of filter mud Seal the mouth, cut the corners of the four bags, cut the size of the fist is appropriate, so that the filter mud slowly decompose and spread, to ensure that within 3 to 4 months continue to supply aquatic organisms with nutrients.
Filter sludge is a by-product of the cane sugar industry. It contains a large amount of crude protein, crude fat, pectin and a mixture of nutrient elements. The organic matter and calcium, phosphorus, and potassium are abundant, and copper, iron, manganese, zinc, The contents of cobalt, magnesium, and sulphur are moderate, and soluble sugar is about 16%. Compared with rice, crude protein content is as high as 42%, crude fiber content is as low as 18%, and phosphorus and calcium contents are 1.9 times and 6.9 times higher, respectively. After 5 to 7 days after the filter mud is applied to the reservoir, the water quality is reddish, and algae such as cryptophytes are easily digested by the fish. It is a high-quality fish feed, and it is an excellent fertilizer for fertilizing bonito.
According to the characteristics of reservoir water depth and large water exchange volume, filter mud is put into sacks or straw bags, and it is put in quarterly quantities. Each time 667 m2 (1 mu) is used in an amount of 60-80 kg, 30-40 kg per bag of filter mud Seal the mouth, cut the corners of the four bags, cut the size of the fist is appropriate, so that the filter mud slowly decompose and spread, to ensure that within 3 to 4 months continue to supply aquatic organisms with nutrients.