The format fish pond polyculture technology is to divide the hardened Dianchi room tile and hard board into a small square of 2 square meters to 4 square meters, and to plant the lotus root, with an average of 0.5 thousand kilograms per acre of water surface. Fish production 400 kg to 450 kg, a net profit of more than 10,000 yuan per mu. The technology can make use of waste pits, desolated beaches, floodplains, and scattered corners to prepare fish pond polyculture. It has the characteristics of small investment, low cost, quick effect, and high efficiency. It is suitable for the development of tens of thousands of households in rural areas and can increase The economic income can also improve the market supply and enrich the vegetable baskets for urban and rural residents. Therefore, it has a very broad prospect for promotion. First, the technical principle divides Dianchi Lake into several small squares, which greatly increases the area of ​​the hard-wall inside the pool, while the whip and stalks are the result of swelling when they meet with a hard wall and begin to accumulate nutrients. The hard-wall area is greatly increased, and the yield is increased. Natural increase. 2. Conditions and infrastructure of Dianchi Lake 1. Selection of Dianchi Lake The wasteland, depression, waste kiln pit, and old Dianchi Lake inside and outside the village can all be used. As far as possible, choose Dianchi Lake where convenient transportation, good water source conditions, no water pollution, convenient drainage and irrigation, and no high-rise buildings or shades around. 2. Dianchi Lake Construction Dianchi Lake construction can be divided into several types: single-tile walk-away wall type; lime-concrete-structured room-tile isolation; plastic film-covered floor-tile separation type and plastic sheet and cement board insulation type. No matter what type, you must use cement to wipe the surface. The average pond area is 1 mu to 3 mu, with 1 mu to 1.5 mu being the best. The pool depth is 0.8 meters to 1.2 meters. After the pool is built, fill 35 centimeters to 40 centimeters thick fertile soil as a living floor of the lotus root and apply it to the base fertilizer. Then, separate the room tile, cement board, plastic plate, gypsum asbestos tile or other hard board into 2 square meters. 4 square meters of small grid, partitions buried in the soil 40 cm, 20 cm above the ground, partition height 60 cm to 70 cm, Dianchi cross into the outlet, install the barred fish net, and set in the pool The "-" or "+" fish ditch is 1.0m wide and 0.5m to 1.0m deep, accounting for approximately 15% of the pool area. Practice has proved that the grid is large and the amount of calving is low; the grid is small and the one-time investment is large, but the output is high. 3. Shimizu lotus root like big fat, rich backfill soil, manure, which is the key to obtain the high yield of pond turtles. Fertilization should be dominated by basal fertilizer, supplemented by topdressing; organic fertilizers should be applied, supplemented by chemical fertilizers. Mu with about 2000 kg of fully fermented organic fertilizer, ammonium sulfate 10 kg/mu ~ 15 kg/mu, urea 5 kg/mu ~ 10 kg/mu, potassium nitrate 3 kg/mu ~ 7 kg/mu, superphosphate 5 Kilograms/mu ~ 10 kg/mu. Fertilizer should be splashed with water, try to avoid directly into the fish ditch, so as not to harm the fish. After applying basal fertilizer, the entire pool of 50 kg of calcined pulp shall be sprayed evenly per acre. Third, the pool cultivation 1. Selection of species should be selected fresh, stout, bud, fine, disease-free and harmless high-quality white lotus for the species, each plant species preferably has three full-length body, and with 1 A ~2 child can also be used as a seed, at least 2 full-grown bodies with complete apical buds. Seeds can be soaked with 20 mg/kg of naphthyl acetate for 40 minutes, and cultivated after 15 days of mulching. This will allow the pool to be raised in the morning and increase production by more than 15%. 2. Planting time The temperature rose above 12 °C ~ 15 °C planted. Prematurely, the ground temperature is low, and the seedlings are easy to rot; when it is too late, the buds grow long and are easily broken. 3. Method and dosage Firstly, the soil and manure in the Dianchi Lake should be ploughed thoroughly, and the thickness can be controlled between 35 cm and 40 cm. Then the water can be poured, and the water can be used to step back and forth several times in the pool to prevent leakage at the bottom of the pool. Then Insert tiles or other partitions into the soil to form squares of 2 square meters to 4 square meters (2 square meters and 2 square meters are appropriate) for planting. In the pond, vegetable pods are planted with 1 seed or 2 pods per 2 square meters, and the average seed amount is 320 kg to 380 kg. When the seedlings were planted, the buds were slightly lower and the rear slightly awkward. The slopes were 20 to 30, and they were 5 cm to 8 cm above ground level, which was exactly the depth of the first water intake. Fourth, fish stocking 1. Stocking time The general water temperature stable at 8 °C ~ 10 °C can be stocked, the release of leather beard carp species should be stable until the water temperature above 15 °C, before stocking. 2. Stocking species In general, fish that can be cultured in ponds can be farmed in Putian, including grasses, cockroaches, cockroaches, cockroaches, cockroaches, cockroaches and so on. In addition, the faster-growing fish such as leather beard crickets and Peng Zeqi are good breeds in Putian farming. Due to poor light, low temperature, and low plankton in the water, the main fish should not choose filter-feeding carp and carp, which should be supplemented by feeding fish and filter-feeding fish. 3. The stocking density should be determined according to the type of fish, stocking specifications, water quality status and management level. General stocking of large-sized species of 200 fish/mu to 300 tails/mu, and stocking of leather beard trout species 600/mu to 800 tails/mu. . 4. The proportion of stocking fish stocks is generally 70% for grass carp, 15% for carp, 5% for carp, 50% for carp, 10% for carp, 70% for carp, 15% for grass carp, 10% for carp, and 5% for carp. Leather beard crickets, Peng Ze 鲫 鲫 鲫 è¦ è¦ è¦ è¦ è¦ è¦ å€¼å¾— 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得 值得. Fifth, disease prevention and control 1. Rot disease in the pool prior to planting appropriate amount of quicklime can play a preventive role, but also can be directly sprayed 80% of "Dyson Zn" WP 600 to 800 times the solution. 2. In the early stage of the onset of leaf blight, spray 50% “Topozin†800 times solution for 2 consecutive times or 3 times. 3. Brown spot control with leaf blight. 4. Diseases and insect pests mainly include aphids, diagonal moths, and earthworms. Aphids can be sprayed with 40% dimethoate emulsions 1500-2000 times; earthworms can be used with 3% carbofuran 3 kg mixed soil 30 kg per acre. Submission.
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