The Platythos stellatus Pallas, also known as the Star-shaped Turtle (Platyrhynchus pygmaea), is a kind of maggot-shaped maggot. It is commonly known as the pearl pheasant, the golden pheasant, the hawksbill turtle, the river cricket, the spiny cricket, etc. It is a kind of economic value. High cold and warm large scales. Under the conditions of artificial breeding, the growth rate is fast. Generally, the total length of 5 cm seedlings is stocked, and the body weight can reach 600-800 g for 10 months, and the body weight can reach 2 000 g for 18-20 months. Now it is one of the most popular flounders in Japan. Its market price ranges from 1 to 20,000 yen/kg. The price is very high. It has a wide breeding prospect and has high economic value and breeding value. It is a good variety worth promoting. .
A greenhouse(also called hothouse)is a building or complex in which allow for greater control over the growing environment of plants. Depending upon the technical specification of a greenhouse, key factors which may be controlled include temperature, levels of light and shade, irrigation, fertilizer application, and atmospheric humidity. Greenhouse may be used to overcome shortcomings in the growing qualities of a piece of land, such as a short growing season or poor light levels, greenhouses are often used for growing flowers, vegetables, fruits, transplants and seedlings. Greenhouses can be divided into glass greenhouses and plastic greenhouses. Plastics mostly used are polyethylene film and multiwall sheets of polycarbonate material, or PMMA acrylic glass. Commercial Glass Greenhouse are often high-tech production facilities for vegetables or flowers. The glass greenhouse are filled with equipment such as screening installations, heating, cooling and lighting, and may be automatically controlled by a computer.
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