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First, the construction of stems Pak Tin: Select a deep paddy soil, can discharge irrigation, flood water is not diffuse fields, drought is not water shortage of the field. Establish anti-escape facilities around the perimeter and set up barbed wire or plastic mesh at the entrance and exit. The field is excavated with the "Tian" shape ditch so that turtles can move and winter. The side ditch is 1.2 meters wide and 0.8 meters deep: the middle ditch is 2 meters wide, and the ditch is 3 meters wide and 1.5 meters deep. Ditch area accounts for 20% of the area. Tian Tianjian builds a spawning beach in the north-south direction. It is 5 meters long and 1 meter wide at the top. It is above normal water level and has a certain slope.
Second, the white planting technology: Long white growth period, tiller, 1000-1200 strains per acre, transplanted in mid-April, Shizu base fertilizer before planting, 1,000 kg of livestock manure per acre. White fertilizer, fertilizer 10 days after planting, 500 kilos of human urine per mu; every 10 days and then applied human urine 1300-1500 kg, plus 30 kg of fertilizer to promote labor. During the pregnancy and rehabilitating period, re-applying Lingfeng fertilizer, applying 3000 kg of excrement per mu and 30 kg of chemical fertilizer. Ask for shallow water several days before and after each fertilization in order to absorb the fat. When it was first planted, the water layer was kept at 3-4 cm to help increase water temperature and catch germination. The depth of water before and after the summer heat should be increased to 9-12 cm in order to reduce ineffective delivery. During pregnancy, the water deepens to 15-18 cm. When the plant is flourishing, the water level should be deepened. Otherwise, the whiteness will turn blue and reduce the quality. In the late stage of pregnancy, ventilate the field. If the growth is too strong, you can peel off some tender leaves (do not bump the tender stems). After stripping leaves, it should be protected against aphids.
Third, turtle stocking. 1 species selection: Snapping turtles, colorful turtles can be bred into the product of turtles, but also optional yellow-throated turtles, tortoises and so on. 2 stocking specifications: turtles require 150-200 grams. After 6 months of cultivation, the colorful tortoise can reach 500 grams and the snapping turtle can reach 1000-1500 grams. 3 Restocking time: After the survival of the white turtle, the turtle can be stocked. The colorful turtle has 300-500 eggs per mu. If you want to breed hatchlings, you can add 50 to 60 turtles and 50 to 100 snapping turtles per mu. The requirements are much the same. 4 Livestock stocking: 4000-5OO0 snails can be released per mu and 4000-6000 freshwater shrimps. Groats can be planted in the ditch, and the fields are kept green.
Fourth, pay attention: 1 feeding required fixed-point timing, quantitative, fixed quality 2 timely change of water, control the water level, adjust the water temperature. You can't use the water from the fields to irrigate the fields. 3 Anti-escape, leak-proof, anti-poisoning, and natural enemies. Inspect the field daily. 4 Pest prevention and control as far as possible the use of biological control, banned highly toxic pesticides. Using a nozzle with a 0.7-mm aperture, the upper part of the plant was sprayed to reduce the liquid falling into the water. Spraying drugs should be carried out quickly after sunny dew hours if the concentration of the liquid falls into the water too much. 5 Do not use white for more than 2 years, otherwise it will produce a meaty “black heartâ€.
Aquatic Whitefish Farming Turtle Technology
Aquatic turtles in Pak Tin are cultivated in a white and turtle symbiosis. The benefits are many: one can make the turtle's living environment spacious, with good light and dissolved oxygen conditions; two can provide a source of organic fertilizer, is conducive to high yield Baiji; third is a rich source of natural bait, turtles grow faster, can reduce feed costs 60 %the above. The specific approach is as follows.