First, the selection of breeding. The snail has strong resistance to disease, less disease, high reproduction rate, and has low requirements for breeding sites. Many canals, paddy fields and ponds in the countryside can be stocked. If it is an open pond, shade on the surface of the water, such as red duckweed, water duckweed, water hyacinth, etc., can be placed on the water. Bamboo grasshoppers and wood strips can be inserted into the pool for snails to inhabit. Water can be used as feed for the green manure, and snails can be raised to increase income.
Second, collect species of snails. At present, snails are mostly natural breeding. Artificial breeding can be picked up from paddy fields, white lands, and canyons, or can be bought in the market. Then, fresh snails with light brown color, thin shells, and round blunt bodies are selected as seed snails. Generally, the snails weighing 15 g to 25 g are sexually mature and can reproduce at temperatures above 15°C. The female snails are large and round, and the male snails are small and sharp.
Third, stocking and breeding. The optimum growth temperature of snail is 20°C~25°C. If it is lower than 15°C or higher than 30°C, the snail will stop feeding, and if it is less than 10°C, it will fall into hibernation. Therefore, stocks can be stocked from March to November in the south of the Yangtze River. If stocking in the natural areas, 11 kinds of screw can be used per square meter (3 males and 8 females). If the digging pond is single-cultivated, 100 to 500 can be placed per square meter, and the depth of the water layer should be 0.8 to 1 meter, and a layer of sludge of more than 10 centimeters should be reserved at the bottom of the pool to facilitate snail crawling, feeding, and inhabitation. When stocking, female and male snails are stocked together and they can reproduce naturally.
Fourth, feed feeding. Snails are omnivorous, rice bran, vegetable crumbs, melon leaves, animal carcasses, and commercial feeds can all be fed. Aquatic plants, soil humification, and vegetable rind are the main foods. Fertile paddy field, fish polyculture or water surface stocking red duckweed, arborvitae, water hyacinth, etc., can be cast less or not feed.
Fifth, breeding and harvesting. The snail line is a viviparous animal. The southern part of the South is the breeding season of the snail from April to May and from September to November each year. The female snails are usually batch-fed. Each snail can produce 20 to 30 snails each time. After a long period of time, it will take 14 to 16 months to reproduce again. The newly produced small snail weighs 0.5 g to 1.5 g, and after 6 months, it can reach 3 g to 5 g or more. In 9 months, it can reach 9 g or so. . We must choose to harvest the snails and leave the mother screw to harvest them in batches. During the summer and early autumn, the water temperature is relatively high. At noon, snails hide in the mud and grass. They must be picked up in the morning and evening and can also be drained. Each stocking 100 female snails can produce up to 100 kilograms per year.
Glyphosate is a kind of non-selective, no residual sterilant herbicides, root weeds is very effective for many years, is widely used in rubber, orchards, mulberry, tea and sugar cane.Main inhibition of enol acetone in plant base shikimic phosphate synthetase, thus inhibiting shikimic element to the transformation of phenylalanine, tyrosine and tryptophan to distract protein synthesis, cause plant death.Glyphosate is through stem conduction to each part of the plant after absorption, can control the single cotyledon and dicotyledonous, annual and perennial, herbs and shrubs more than 40 families of plants.Glyphosate the grave after combined with iron, aluminum and other metal ions and soon lose activity, hidden in the soil of seed and soil microbial without adverse effects.
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