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How should you select mushroom spawn for high yields when cultivating Agaricus bisporus in paddy fields?
Give priority to granular wheat grain spawn with good yield performance and strong stress resistance, followed by manure-straw bag spawn. To plant 1 mu of field mushrooms, about 400 bottles of wheat grain spawn are needed, with an investment of 800-900 yuan; or 800-1000 bags of manure-straw bag spawn, with an investment of about 1000 yuan. Farmers should be especially reminded that when buying spawn, they must go to a spawn farm with a good reputation.
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How to regulate temperature when cultivating Gastrodia elata in plains and low mountain areas
The biggest difficulty in cultivating Gastrodia elata in plains and low mountain areas is controlling high temperatures and regulating temperature differences. (1) For indoor cultivation, cold water can be sprayed in the walkways and space, but water must not accumulate at the bottom layer of the Gastrodia elata. At the same time, open the opposing windows facing north and south for ventilation, or use an electric fan to cool down while opening the windows, so that air convection is achieved and the cooling goal is reached. When the temperature is low, close the doors and windows, and make the temperature difference as small as possible. (2) For outdoor cultivation, more broadleaf trees and green vine plants can be planted on the cultivation site, so that the cultivation site is cool and moist.
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Several key points to note when introducing Gastrodia elata
1. Suitable growing conditions. Gastrodia elata has no roots and no leaves and cannot carry out photosynthesis; it relies on Armillaria mellea to supply nutrients for growth and reproduction. Therefore, the first step in cultivating Gastrodia elata is to produce a certain quantity of high-quality Armillaria mellea-infected wood, and the second step is to purchase Gastrodia elata seeds. And promptly plant them together with the Armillaria mellea-infected wood. 2. Suitable growing range. "Wu X Hong" and "Hong X Wu" hybrid Gastrodia elata have stronger adaptability than traditional vegetatively propagated subcultured Gastrodia elata. Any region where potatoes can be grown is suitable for cultivating it. Its method is as extensive and simple as growing potatoes, and it does not compete with crops for land, fertilizer, or labor. 3. Suitable growing
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What should be noted when growing Gastrodia elata in boxes?
① You must choose high-quality fungus logs, preferably those with many young rhizomorphs distributed evenly. ② The fungus logs must be free of contamination by other fungi. ③ If there are not many rhizomorphs on the fungus logs, you may appropriately add some fungus branches or secondary or tertiary solid spawn of Armillaria mellea. You can also cover the fungus logs with a layer of culture substrate for cultivating Armillaria mellea (because the substrate contains Armillaria mellea, which acts as spawn). ④ If a piece of fungus wood is placed parallel 3 cm beside a high-quality fungus log, once the fungus wood connects with and grows Armillaria mellea well in the later stage, it can continuously supply nutrients to Gastrodia elata. But do not plant the Gastrodia near the fungus wood
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For high soybean yields, keep these four taboos in mind when planting
First, avoid continuous cropping and alternating cropping. Continuous cropping can reduce yields by 15%-20%, and alternating cropping can reduce yields by 20%-25%. Second, avoid sowing untreated seed. Sowing untreated seed can cause disease, insect pests and rodent damage, affecting emergence rate and yield. Third, avoid planting across regions. Adjust measures to local conditions and meet the requirements of the accumulated temperature technical indicators needed by the variety; otherwise, it will affect maturity and cause yield reduction. Fourth, avoid applying fertilizer at the roots. The rhizobia at the soybean roots have a nitrogen-fixing effect. Applying nitrogen fertilizer at the roots not only causes unnecessary waste, but also damages the fibrous roots and causes yield reduction. Only in this way can high soybean yields be achieved with confidence.
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What should you pay attention to when eating fish head? These points need to be understood
Professor Wang Cunxin, a fish research expert at the Institute of Oceanology, Chinese Academy of Sciences, introduced that China has four major domesticated fish, namely black carp, grass carp, silver carp and bighead carp. Silver carp is also called silver carp or white silver carp. Among bighead carp, spotted bighead carp is more common, and the fish heads we usually eat in restaurants are mainly white silver carp and spotted bighead carp. The reason these two fish are used for fish head dishes is, first, because they grow quickly and can be artificially farmed; second, because black carp and grass carp mainly eat grass, while silver carp and bighead carp mainly eat plankton, so they naturally have more meat than the former two. The head of white silver carp, especially spotted bighead carp
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What happens when pigs experience stress from the environment
Stress is the sum of non-specific response reactions produced by an organism to various extraordinary stimuli. Environmental factors that can cause stress responses in the body are called stressors or stress factors. After pigs are stimulated by environmental factors, they all produce reactions, but the forms of reaction differ. General stimuli cause specific reactions in the body, such as pigs huddling together when it is cold in winter, and dispersing when it is hot in summer. However, some stimuli (stressors) not only cause specific reactions in the body but also cause non-specific reactions, namely stress responses, which manifest as
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What should be noted when herding ducks in spring?
Choose good grazing grounds. During spring plowing, in rice-growing areas, ducks can be grazed in green manure fields that have been plowed and are being prepared for transplanting rice seedlings. Such fields contain plenty of natural plant and animal feed, such as grass seeds, grass roots, earthworms, and insects. After the rice seedlings are transplanted, ducks should not be taken into the fields to graze; grazing can resume only after the rice is harvested. Graze carefully. In river network areas, make full use of river channels for grazing. Generally, when taking the ducks out to graze, it is better to go upstream, when the ducks are full of energy and catch more food. In the cold spring season, when windy weather occurs, graze against the wind to prevent the wind from lifting the ducks' feathers and causing them to lose too much body heat. In areas with abundant feed
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What to Do When Alligator Snapping Turtles Kill Each Other? Five Methods to Help You Prevent It Effectively
Alligator snapping turtles are native to North America and Central America. They are physically strong and highly aggressive, making them a relatively unique species among turtles. Alligator snapping turtles are famous for their high reproduction rate, fast growth, large meat yield, and delicious meat, and are now favored by many farmers. They have been promoted for breeding in many regions, with considerable economic benefits. However, in high-density artificial breeding, due to their nature as well as environmental, feed, and mating factors, alligator snapping turtles kill each other, resulting in a low survival rate. To solve this problem, Zhejiang Province
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What are the considerations when formulating feed for rabbits
Pay attention to selecting ingredients according to local conditions. The selected raw materials must not only meet the nutritional needs of domestic rabbits, but also suit local conditions, using locally available forage as much as possible. Pay attention to feed diversity. Combining a variety of feeds can play a role in nutritional complementation. Pay attention to seasonal differences. In most regions of China, green succulent feed is scarce in winter and spring, and domestic rabbits are prone to vitamin deficiency, so supplementation should be noted. Pay attention to feed palatability. Domestic rabbits like bitter lettuce, alfalfa (Medicago sativa), and soybean, and dislike forage with a musty or fishy smell. Be economical and practical. Fish meal
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