(1) Winter Management The management of box planted Tianma winter is mainly antifreeze. It usually takes indoor or outdoor wintering methods. 1 Indoor wintering: The box planting of Tianma from October to November is basically completed and can be kept indoors. Indoor temperature is maintained at 1 ~ 5 °C, so that Gastrodia spend 50 days of dormancy. After 50 days, the room is best equipped with heating equipment, gradually warming up, but it must not make room temperature ups and downs. If in the winter can make Gastrodia germination, began normal growth, extending the growing period of Gastrodia, easy to obtain high yield. For example, when the room temperature is kept above 20°C and below 25°C, the room temperature of the box planted gastrodia elata only gives a dormancy period of 30 to 40 days, and then it is placed in a room at 20 to 25°C. Tianma soon germinates. , And Gastrodia and Armillaria bacteria are very good, Tianma soon into the growing season, greatly extending the peak season of Gastrodia, which has created favorable conditions for Gastrodia increase production. This practice, Gastrodia growth period is almost a full year, its output is 2 times the spring planting. It would be okay to overwinter if the gastropods were placed on a fire pit. Some specialized gastroculture households store 40 boxes of gastrodia 2 layers in two room-sized fire pits, heat the fire pots every day, keep the temperature of the culture materials in the boxes at 15 to 18°C, and the humidity in the culture materials is 30. % to 35%, the lower Gastrodia germinate soon. Then pour the lower box to the upper layer, the upper layer to the lower layer, so that the lower box of Gastrodia germinate quickly. In order to allow Tianma to grow normally, the gastropods should be exchanged up and down every other week. Watering began after the germination of gastrodia. This practice can make Gastrodia grow well in the cold winter and increase the yield of Gastrodia. Production practice proves that if there is heating equipment in the winter, Tianma will germinate as soon as possible, and the dormancy period will be lifted as soon as possible, and let Gastrodia and Armillaria be combined with bacteria as soon as possible, which can greatly increase the yield of Gastrodia. If no heating equipment is available, then Tianma will be cultivated when the temperature rises gradually from February to March in the second year, and Armillaria mellea and Gastrodia can also grow normally, but there is no high yield of autumn and winter planting. The moisture content of the culture material in the box during the winter is controlled at 30% to 35%, and the relative humidity in the room is preferably 45% to 50%. If the humidity is too high and the room temperature is above 10°C, Tianma is in a dormant state, and Armillariella is in a state of growth and development, and Armillariella absorbs nutrients from gastrodia and causes a lot of rot. After the germination of Tianma, if the room temperature is around 15°C, the humidity should be controlled at 45% to 50%; when the room temperature rises to 20°C, the humidity of the culture medium in the box can be controlled at 55% to 60%. 2 outdoor winter: before and after the choice of sunny place with a warm leeward place, take a double plastic shed. The height of the front wall of a double-layer plastic shed is 1.7 to 1.8 meters, the height of the back wall is 2 meters, and the width is 4.5 to 5 meters. The length can be determined according to the number of sacks. With a wooden pole or steel frame, first fix the inner film (the inner wall of the wall is also wrapped with a plastic film), and then fix the outer film. The gap between the two films should be 15-20 cm. The outer film should wrap the outer layer of the wall and bury the plastic around the ground 45 centimeters deep. The remaining door is sealed with a double plastic film to ensure no wind. Around the periphery, anti-freeze trenches with a depth of 60 cm and a width of 60 cm are to be excavated against the wall. The trenches are filled with leaves or miscellaneous sawdust and are piled with miscellaneous sawdust to a height of about 30 cm. Before cloudy or rainy days, it is necessary to cover the insulation quilt or poncho and open it in the eye; cover it at night and open it during the day. In March, as the temperature rises, a layer of plastic film can be removed to become a single-layer plastic shed. Using a double-layer plastic shed designed by the Institute of Special Products of the Chinese Academy of Agricultural Sciences, the overwintering of the Tianma box was successful. After the box-grown gastrodiae enters the dormant period in the plastic shed, the temperature in the shed gradually increases due to the good conditions of the double-layered membrane insulation. When the temperature reaches 20°C or higher, the humidity in the tank should be controlled at 60%. (2) Spring and summer management After the last frost in early May, after the plastic film was peeled off, the gastropod was placed in the pit and the site was ventilated and sunny. Dig deep pits 30 cm deep and 0.5 to 1 m wide, and pour 0.2% potassium permanganate aqueous solution or 2% to 3% lime aqueous solution in the pit first. After the water is allowed to seep down, place 2 or 4 wood poles and place 1 to 2 rows of gastro chambers on the wood poles. The gastropods are placed in the pits, mainly for moisturizing, leaving 3 cm gaps between the boxes and boxes, boxes and pits to facilitate ventilation. Water dams should be built around the pits to prevent rain and water from soaking in the hemp box. Spring Tianma case is not afraid of the sun, when the air is dry, it can often water. The principle of watering is to pour dry, how much to do, and to keep the culture moist. If the temperature is low, use less water. In summer, the temperature is high and the amount of evaporation is large. Water should be sprayed as much as possible, and water is often sprayed to the pit. If the local rainfall is high and the air is damp, spray less water. As long as the water permeability of the culture is good and no water accumulates in the box, Tianma is not afraid of the rain. However, if the permeability of the cultivating material is not good, the turbid rain is too much too much, and it is easy to cause water accumulation and tingling; or if the temperature is too high (over 30°C) to sap the gastrodia, it is necessary to set up a rain-proof arbour over the gastropod ( That is, under the curtain cover a layer of plastic film). Tianma is afraid of high temperature. When the temperature (material temperature) exceeds 25°C, growth is inhibited. At this time, spray water can be used to cool down, but do not water at noon so as to avoid steaming the gastrodia. Neutral water (preferably acidic water) should be poured in the evening to keep the humidity of the culture material in the gastrodia box at about 65%. Fall Management: After the fall, early morning and evening and night should pay attention to cooling and dehumidification, so that the temperature of the culture material gradually reduced to 40% to 45%. As the temperature drops, the gastrodia box needs to be moved into the room in time to keep the gastrodia at a certain growth time. When harvesting gastrodia, the temperature should be 30% ~ 35%, so that Gastrodia in the box grows well and the yield is high. During the growing period of gastrodia, mold infection should be prevented. Once infected with green fungus, Gibberella and other bacteria on the soil layer or box, a layer of Bordeaux mixture (a ratio of 1:1.440 copper sulfate, quicklime, and water) can be lightly sprayed. 1 part lime is dissolved separately with water, and the copper sulfate aqueous solution is poured into the milk of lime. Stir well and add 140 parts of water.) Corn is a good choice for consumption during weight loss because of its high available energy. The metabolic energy of maize is 14.06 MJ/kg, with the highest being 15.06 MJ/kg, the highest of the cereal feeds. 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