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How to prepare mushroom topdressing liquid? A detailed explanation of four methods
For high mushroom yields, proper topdressing is key. Here are several methods for preparing mushroom topdressing liquid: 1. Mushroom root soup. Collect and wash the mushroom stems and broken mushrooms cut off during harvesting and processing, cut them into thin slices, add 1-1.5 kg of water per kg of material, boil for 15 minutes, take the filtered juice and dilute with water to 10-15 kg, which can be sprayed on 30-40 sq m of mushroom beds. Used during the peak fruiting period, it can make mushroom fruiting bodies thick and plump and extend the peak fruiting period. 2. Cow urine. Take fresh cow urine, boil until the foam disappears
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Four-spored mushroom cultivation in summer is difficult, but mastering the techniques brings high returns
Summer cultivation of the four-spored mushroom (Agaricus bisporus) is more difficult than that of the common button mushroom. If cultivation techniques are careless, or if the temperature during the fruiting period is too high or too low, failure will result. The high-yield secrets for summer cultivation of the four-spored mushroom are described below: 1. Plant early at the right time. Planting too early means low temperatures in the early stage, which is unfavorable for the growth of summer mushroom mycelium; planting too late means that timely feeding for the autumn mushroom will shorten the harvesting period of the summer mushroom. Therefore, after cleaning the spring mushroom growing room in late April, the summer mushroom compost can be pre-wetted and stacked. 2. Compost fermentation. 1. Compost formula (calculated for 110 sq m). Rice straw 2000 kg, gypsum 7
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Key Points of Compost Fermentation Technology in the Cultivation of Agaricus bisporus (Button Mushroom)
Compost fermentation is divided into the one-phase fermentation method and the two-phase fermentation method. (1) One-phase fermentation method: 1 day before building the heap, cut the rice (wheat) straw into sections and drench it thoroughly with clean water so that it fully absorbs water, then leave it piled for 1 day. 7-10 days before building the heap, wet the dry manure with clean water or urine water, then build it into a heap for fermentation. When building the heap, arrange 1 layer of manure and 1 layer of straw, piling them layer by layer; start watering at the fourth layer, and from the fourth layer to the eighth layer add all of the cake fertilizer, superphosphate, gypsum and half the amount of urea layer by layer. After building 10 layers, the heap height reaches about 1.5 m, the four sides are basically vertical, the top of the heap is shaped like a turtle shell, and the very top is covered with 1 layer of manure. To maintain aeration, 2-3 ventilation holes can be inserted from top to bottom with bamboo tubes at the top of the compost heap. To keep warm and retain moisture, the top of the heap should be covered with straw mats, and plastic film should be used on rainy days. When piling the material, the water content of the compost is required to reach saturation. On the second day after building the heap, measure the material temperature within 50 cm; under normal conditions the material temperature will rise to 70°C. If it does not reach this temperature, find out the cause and take remedial measures as soon as possible. During fermentation, turn the heap once at intervals, supplement auxiliary raw materials, and adjust the water content and pH of the compost. On the second day after building the heap, the material temperature begins to rise, and on the third day the temperature at the center of the heap reaches its highest point (74-80°C). When this temperature is reached, the first turning can be carried out 6-7 days after building the heap. On the day before turning, water the upper part of the heap first, then water layer by layer during turning; after the heap is rebuilt, a small amount of water should flow out around it, indicating that the amount of water added is appropriate. When building the heap, still add the remaining urea from the fourth layer to the eighth layer. 2 days after the first turning, the material temperature can reach as high as 75-80°C. 5-6 days after the first turning, carry out the second turning. The focus of the second turning is to adjust moisture; the appropriate water content is when the compost is squeezed tightly by hand and 3-4 drops of water can be squeezed out. On rainy days, when covering with plastic sheeting, prop it up with wooden sticks so that the inside of the material is ventilated, prevent anaerobic fermentation, and keep the material temperature at 60-65°C. Generally, the third turning can be carried out 4-5 days after the second turning, using the same method as above. If there are lumps of manure, crush them before mixing them in. 4 days after the third turning, carry out the fourth turning. First check the water content of the heap; the method is that when the compost is squeezed tightly by hand, 1-2 drops of water between the fingers is just right. If the moisture is insufficient, adjust it with 1% lime water. If the moisture is too high, spread it out to air for a while first, and rebuild the heap when the moisture is appropriate. At the same time, prepare 0.5% dichlorvos and spray it to kill insects. 3-4 days after the fourth turning, the temperature inside the material is still around 50°C and tends to stabilize; carry out the final turning. During the turning, adjust the water content of the compost to 60%-63% and the pH to 7.5-8.0, and at the same time check whether residual ammonia gas and pests remain in the compost. If there is an ammonia smell, formaldehyde can be used again to neutralize it; if there are insects, 0.5% dichlorvos can be used to kill them. From heap building to entering the house, the compost generally needs to be turned 4-5 times, and the intervals between turnings are usually 7, 6, 5, 4 and 3 days. During the heap-building process, the moisture of the compost should first be wet and then dry, the heap should first be large and then small, and the turning intervals should first be long and then short. Following this principle, the heap temperature can be maintained above 50°C for a long time.
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Detailed Explanation of the Plastic Shed Cultivation Method for Button Mushrooms
Using plastic film sheds to cultivate mushrooms offers simple construction, easy dismantling, cleaning and disinfection, and good heat and moisture retention, producing mushrooms with high yield and good quality. For the shed site, choose a spot near the village edge with relatively high terrain, convenient water sources, open surroundings, and beneath tree shade with a composting yard. Use wooden strips, bamboo poles, hemp stalks, reeds, rattan, wire and similar materials as building materials. The mushroom shed should face south, with its size and height determined by the terrain and cultivation area. Inside the shed there are 5 to 6 layers, with 65 cm between layers and a width of 1.3 to 1.6 m. Build the shed and the racks at the same time, joining them tightly
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What is the suitable cultivation season for the button mushroom?
The button mushroom (Agaricus bisporus) is a low-temperature fruiting fungus; it only produces fruiting bodies below 18°C, and the optimal temperature for mushroom production is around 16°C. Therefore, the cultivation season is mostly arranged in autumn and winter, continuing into early spring. Because of regional climate differences and variations in local microclimates, the cultivation period for mushrooms can be determined based on local meteorological data. Generally, the sowing period is when the local autumn average day-night temperature stabilizes at 22-25°C. Counting back about 23 days from this gives the date for building the compost pile; in the Jiangsu-Zhejiang area this is mid to late August,
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Causes of Deformed Mushrooms in Agaricus bisporus and Their Prevention and Control Methods
1. Deformed mushrooms. When ventilation is poor and the carbon dioxide content in the mushroom house exceeds 0.3%, deformed mushrooms are likely to appear. If the fruiting position is too deep, mushrooms growing between the cracks of the coarse soil also tend to be deformed. The key to prevention and control is to pay attention to ventilation and air exchange in the mushroom house. 2. Red root mushrooms. Slightly acidic cultivation material, a high-temperature stage before fruiting, excessive water content in the casing soil layer, excessive application of glucose as a supplemental fertilizer, and poor ventilation in the mushroom house can all easily lead to red root mushrooms. The pH of the compost should be properly adjusted, the water content of the casing soil should be maintained at 22%-25%, watering should be avoided during high temperatures, and the concentration of supplemental fertilizer should be appropriate.
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Key Technical Points of Indoor Secondary Fermentation for Agaricus bisporus Production
The compost that has undergone outdoor pre-fermentation is moved indoors, and through artificial temperature and air control, the compost is sterilized and fermented under specific environmental conditions, further enhancing the specificity and selectivity of the compost, so that the compost is fermented into a substrate more suitable for mushroom growth. This process is called indoor secondary fermentation. (1) Principle: Secondary fermentation is a biochemical reaction process in which the activities of various types of thermophilic microorganisms promote changes in the physical and chemical properties of the compost. Secondary fermentation can be divided into two stages. Stage one: raise the pile temperature
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Detailed Explanation of Key Technical Points for Autumn Management of Button Mushrooms
To achieve stable and high yields of button mushrooms in autumn, water management must be the key focus. With proper watering, the mycelium grows vigorously, fruiting bodies form abundantly, and the number of fruiting flushes increases; with excessive watering, the mycelium will shrink and recede, primordia will form poorly, and the mushroom fruiting bodies will develop "rust spots" and "red roots"; with insufficient watering, the fruiting bodies will not be plump, and flat caps, sunken caps, or scales on the surface will appear. The key focus of water management should be to increase the relative air humidity, and when spraying water, it should be flexibly controlled according to the fruiting situation, the moisture conditions of the compost and casing soil, and changes in weather. Generally in
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Detailed Explanation of High-Yield Cultivation Technology for Agaricus bisporus in Mushroom House Shelf System
For several years, the author has been exploring high-yield cultivation technology for Agaricus bisporus (button mushroom) in mushroom house shelf systems and has gained some successful experience. The relevant techniques are summarized below for reference by peers. 1 Mushroom house and shelf structure The mushroom house is 19.6 m long from east to west, 9 m wide from north to south, with front and rear walls 2.5 m high and gable walls 3.5 m high. The walls are built with bricks and lime mortar. The outside is pointed with cement; the inside is first coated with lime mortar and then brushed with lime mortar. The front and rear walls have 4 ventilation windows of 25 cm x 20 cm each, arranged in upper and lower rows facing the aisle, with the first ventilation window 20 cm above the ground. The front
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Detailed Explanation of Key Technical Points for High-Yield Cultivation and Management of Agaricus bisporus
I. Cultivation Season In the Weibei Dry Belt region, where temperature differences are large, air humidity is low, and seasons change quickly, sowing can be done earlier, scheduled from mid-August to early September. In the Guanzhong Plain area, it is scheduled from late August to mid-September. Of course, mushroom growers with cave dwellings or fruit cellars can pile and ferment right after the wheat straw harvest, sow by the end of July, and harvest by late August. After the corn stalks are harvested, once the corn stalks are dry, a second round of sowing can be carried out, using cut corn stalks + cow dung, sowing from December to January, overwintering, and starting to produce mushrooms in March of spring
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