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64results about How to "Small impact from natural enemies" patented technology

Method for breeding mandarin fish by utilizing microorganic feed

Disclosed is a method for breeding mandarin fish by utilizing microorganic feed. The method includes that: a pond is built; the pond requires a sandy bottom, about 15cm of sludge in depth, deeper than 1.5m of water, convenient irrigation and drainage, good water quality and no sewage inflow; environment requires: parent fish are selected at the most suitable growing water temperature which is 25-29 DEG C in artificial breeding application; in winter and spring, the parent fish healthy in physique and woundless in body surfaces are captured from a breeding pond and put into the pond in a greenhouse for artificial reproduction; the parent fish are put into the pond in the greenhouse for cultivation, and during daily breeding management, in the breeding period, the feed is put for 4 times every day, the amount of the feed is calculated according to 25-50% of the weight of the fish, and the feeding degree is determined according to the fact that no fish competes for food and is flexibly mastered according to weather conditions. Due to the addition of the compound microorganic feed, quick growth of the mandarin fish can be facilitated, EPA (eicosapentaenoic acid) content is increased, illness of the mandarin fish is decreased, the mandarin fish died of disease are decreased, beneficial microorganisms in water are increased, and quality and mass are increased finally.
Owner:SUZHOU YANGCHENGHU MODERN AGRI INDPARK SPECIAL AQUACULTURE

Method for scientifically and precisely breeding rice field eels

The invention discloses a method for scientifically and precisely breeding rice field eels. The method is characterized in that a culture pond is arranged in the east-west direction, a length-width ratio of the culture pond is 3:2, the area of the culture pond ranges from 2000m<2> to 10000m<2>, the heights of ridges of the culture pond range from 1.8m to 2.0m, the water level of the culture pond needs to be kept stable in a range from 1.4m to 1.5m for a long term, and water inlet and drainage facilities of the pond are perfect; the pond needs to be cleaned and disinfected 10-15d before rice field eel seeds are released into the pond, water in the pond is pumped completely, whether loopholes are formed in the pond or not is checked, then the pond is cleaned by the aid of quicklime, the consumption quantity of the quicklime ranges from 1125kg/hm<2> to 2250kg/hm<2> when the depth of water in the pond ranges from 7cm to 10cm, the pond is cleaned by the aid of bleaching powder if the water in the pond cannot be completely drained, new water is filled into the pond 7d after the pond is cleaned and needs to be filtered in advance, and basic fertilizers are applied after the water is filled into the pond. The water is cultivated by a process including that organic fertilizers such as chicken manure and pig manure are stacked at four corners of the pond, consumption of the organic fertilizers ranges from 2250kg/hm<2> to 3000kg/hm<2>, and the rice field eels can be bred in the pond 5-7d after the fertilizers are applied. The method has the advantages that fast growth of the rice field eels can be promoted by means of adding the compound microbial fertilizers, the EPA (eicosapentaenoic acid) content is increased, rice field eel diseases are reduced, the quantity of shrimps which die of diseases is reduced, beneficial microorganisms in the water are increased, and both the final quality and the quality are improved.
Owner:SUZHOU YANGCHENGHU MODERN AGRI INDPARK SPECIAL AQUACULTURE

Special polyelement microorganism fertilizer for preventing cotton verticillium wilt and preparation method of special polyelement microorganism fertilizer

The invention discloses a special polyelement microorganism fertilizer for preventing cotton verticillium wilt and a preparation method of the special polyelement microorganism fertilizer. The special polyelement microorganism fertilizer for preventing the cotton verticillium wilt comprises components of raw materials in parts by weight as follows: 2-6 parts of bacillus polymyxa, 3-5 parts of a fertilizer leavening agent, 800-1000 parts of an organic fertilizer, 400-600 parts of an inorganic fertilizer, 50-100 parts of a trace element, 4-8 parts of a plant growth regulator, 10-30 parts of an adhesion agent, Chinese herbal medicinal ingredients and the like. The special polyelement microorganism fertilizer comprises various fertilizers and trace elements which are required in the production period of cotton and comprises the Chinese herbal medicinal ingredients, so that aphids can be effectively prevented, the cotton verticillium wilt is reduced, the fertilizer efficiency can be improved and prolonged, the using amount of a chemical fertilizer is reduced, growth of crops is promoted, the soil is improved, ecological balance is restored, and qualities of agricultural products are improved.
Owner:SUZHOU RENCHENG BIO SCI & TECH
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