Rice field turtles is a kind of new breeding technology that allows animals and plants to use each other in the same ecological environment. This technology is also a measure of space reuse in paddy fields. It does not occupy other land resources, and it can save the cost of feeding turtles, reduce pests in fields and reduce the amount of fertilizer used by rice. It will not only affect rice production, but also greatly increase the economic benefits per unit area. According to the experience of a famous animal farm in Yuanhua Town, Haining City, Zhejiang Province, the yield per 667 m2 (1 acre) of paddy field is 1-2 times the net turtle (weight gain), which is 4-8 times that of rice. The summary is introduced as follows:
1. The field facilities should have good water source conditions, convenient drainage and irrigation, less vulnerability to floods and water for the dry season, and the soil should be loamy, clayy, and not easily leaky. Surrounding the paddy field with a thick plastic film to form a 50-80 cm high escape prevention wall. Conditions can be used to build bricks and low walls, as well as asbestos tiles, etc., in principle, the turtle can not escape. A few ditches are opened in the field for turtles to inhabit. The depth is 20-30 cm and the width is 40-50 cm. The ditch area accounts for about 20% of the area. Inlet and outlet are blocked with barbed wire. In the middle of the field, a spawning station with a length of 5 meters and a width of 1 meter can be piled up with soil. Tanabe can make a slope of 45 degrees, and sand is placed in the middle of the platform to facilitate spawning by females.
2. Turtle species should be selected from common turtles, yellow-throated turtles, colorful turtles, snapping turtles, nine-colored turtles, silver money turtles and other aquatic turtles can not use dry-type turtles, can not choose to climb strong, easy to escape turtle species Such as olecranon, four-eyed turtle, six-eyed turtle and so on. Select specifications should be adapted to local conditions, but as uniform as possible in order to facilitate uniform eating and prevent competition. Some varieties can be mixed.
3. Stocking density After the rice is planted, it can be placed into the turtle species. For example, breeding is the main method. Generally, 120 turtles can be stocked for every 667 square meters of paddy field (male to female ratio 2:1); There are 600 baby turtles or 2,000 hatchlings. It is required to select healthy, disease-free turtles to enter the fields to prevent infected turtles from entering the fields and cause infections.
4. The feed should be fixed every day, regularly, quantitatively, and qualitatively. However, there are insects in the paddy field and there are aquatic animals feeding turtles, which can reduce part of the amount of feed, which is half of the conventional daily dosage (3%) (referring to full-rate feed). If some snails, loach, shrimps, etc. are put in advance in the rice fields, these animals can continue to breed their offspring for free feeding and save more feed. It is also possible to stock some small aquatic plants such as red leeks and lindens in the paddy fields for turtle consumption.
5. Fertilizer and Water Management As the turtle activity has the function of weeding in paddy fields, plus the turtle's own excrement and Ping-type fertilization field, rice fertilization in rice paddies can be applied by about 50% less than conventional fields, and generally every season rice has 667 per kilogram. Square meters only need to sprinkle 15 kg of urea. The water level can often maintain the depth of the field board about 3 to 10 centimeters in depth, in principle, do not dry, there can be water in the ditch.
6. Anti-high temperature and enemy and phytotoxicity During the double-season continuous cropping of rice in the paddy fields, the harvest of the first season crops coincides with the midsummer season. After the harvest, the ditch should be shaded, and the local straw can be used to tie the fresh straw to the rear rake. In the ditch, to avoid the hot sun caused the water temperature exceeds 42 °C and die turtles. Because the turtle eats field insects, moths, etc., there are few pests in the field, and only the upper leaf pests of the rice stems are sometimes harmful, and high-efficiency, low-toxicity pesticides can be used for spraying. If conditions permit, turtles can be fed with detoxification drugs first, bait-induced turtles can also be landed into safety zones, and then applied to the fields. It is also possible to recover the turtle after raising the turtle for a while. After two or three days, you can enter the field as usual. This will prevent pesticide poisoning and dead turtles. In general, the hard shells of adult turtles are resistant to predilection. In the case of young turtles, it is necessary to prevent snakes, water rats and ospreys from entering the fields.
In addition, half a month in the feed mix of Chinese herbal medicine to prevent gastroenteritis, such as iron leek, purslane, paper storage, Euphorbia, etc., due to the low density, generally less sick.
After the autumn harvest each year, it can be sold for sale, or it can be transferred into the pond or kept indoors for wintering.
1. The field facilities should have good water source conditions, convenient drainage and irrigation, less vulnerability to floods and water for the dry season, and the soil should be loamy, clayy, and not easily leaky. Surrounding the paddy field with a thick plastic film to form a 50-80 cm high escape prevention wall. Conditions can be used to build bricks and low walls, as well as asbestos tiles, etc., in principle, the turtle can not escape. A few ditches are opened in the field for turtles to inhabit. The depth is 20-30 cm and the width is 40-50 cm. The ditch area accounts for about 20% of the area. Inlet and outlet are blocked with barbed wire. In the middle of the field, a spawning station with a length of 5 meters and a width of 1 meter can be piled up with soil. Tanabe can make a slope of 45 degrees, and sand is placed in the middle of the platform to facilitate spawning by females.
2. Turtle species should be selected from common turtles, yellow-throated turtles, colorful turtles, snapping turtles, nine-colored turtles, silver money turtles and other aquatic turtles can not use dry-type turtles, can not choose to climb strong, easy to escape turtle species Such as olecranon, four-eyed turtle, six-eyed turtle and so on. Select specifications should be adapted to local conditions, but as uniform as possible in order to facilitate uniform eating and prevent competition. Some varieties can be mixed.
3. Stocking density After the rice is planted, it can be placed into the turtle species. For example, breeding is the main method. Generally, 120 turtles can be stocked for every 667 square meters of paddy field (male to female ratio 2:1); There are 600 baby turtles or 2,000 hatchlings. It is required to select healthy, disease-free turtles to enter the fields to prevent infected turtles from entering the fields and cause infections.
4. The feed should be fixed every day, regularly, quantitatively, and qualitatively. However, there are insects in the paddy field and there are aquatic animals feeding turtles, which can reduce part of the amount of feed, which is half of the conventional daily dosage (3%) (referring to full-rate feed). If some snails, loach, shrimps, etc. are put in advance in the rice fields, these animals can continue to breed their offspring for free feeding and save more feed. It is also possible to stock some small aquatic plants such as red leeks and lindens in the paddy fields for turtle consumption.
5. Fertilizer and Water Management As the turtle activity has the function of weeding in paddy fields, plus the turtle's own excrement and Ping-type fertilization field, rice fertilization in rice paddies can be applied by about 50% less than conventional fields, and generally every season rice has 667 per kilogram. Square meters only need to sprinkle 15 kg of urea. The water level can often maintain the depth of the field board about 3 to 10 centimeters in depth, in principle, do not dry, there can be water in the ditch.
6. Anti-high temperature and enemy and phytotoxicity During the double-season continuous cropping of rice in the paddy fields, the harvest of the first season crops coincides with the midsummer season. After the harvest, the ditch should be shaded, and the local straw can be used to tie the fresh straw to the rear rake. In the ditch, to avoid the hot sun caused the water temperature exceeds 42 °C and die turtles. Because the turtle eats field insects, moths, etc., there are few pests in the field, and only the upper leaf pests of the rice stems are sometimes harmful, and high-efficiency, low-toxicity pesticides can be used for spraying. If conditions permit, turtles can be fed with detoxification drugs first, bait-induced turtles can also be landed into safety zones, and then applied to the fields. It is also possible to recover the turtle after raising the turtle for a while. After two or three days, you can enter the field as usual. This will prevent pesticide poisoning and dead turtles. In general, the hard shells of adult turtles are resistant to predilection. In the case of young turtles, it is necessary to prevent snakes, water rats and ospreys from entering the fields.
In addition, half a month in the feed mix of Chinese herbal medicine to prevent gastroenteritis, such as iron leek, purslane, paper storage, Euphorbia, etc., due to the low density, generally less sick.
After the autumn harvest each year, it can be sold for sale, or it can be transferred into the pond or kept indoors for wintering.
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