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What are the reasons why oyster mushroom yields are getting lower and lower
Recently, many growers have called to ask: why are oyster mushroom yields getting lower and lower these days? Compared with previous years, the difference is far too great. For this reason, the author conducted a survey and found the following problems: Serious pollution of the cultivation environment. The vast majority of growers cultivate in greenhouses year after year. Deteriorating environmental conditions and incomplete disinfection are the main reasons for reduced oyster mushroom yields. According to tests, the background count of contaminating microorganisms in a new site was 63.95 per square meter, with bacteria accounting for 95%, and 150 colonies per square meter. After the first cultivation cycle ended, the background count of contaminating microorganisms was 20 times higher than before. These contaminating microorganisms control the growth of oyster mushrooms to some extent, and the more cultivation cycles there are, the lower the oyster mushroom yield.
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Garlic yields improve with frequent switching to good seed varieties, and Guosuan helps you achieve high yields
Garlic has a long history of cultivation in China and is one of the main vegetables and cooking seasonings. In recent years it has been exported in large quantities and has become one of China's major export vegetables. Among them, Shandong Province has the largest cultivation area and is one of China's key garlic production and export regions. However, as the cultivation area has continued to expand, the output value and economic benefits of growing garlic have become the issues of greatest concern to many farmer brothers, and selecting seed and switching to improved varieties is even more urgent. In 2006, the prices of garlic scapes and garlic bulbs rose across the board, and garlic farmers' income
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Scientific Potassium Application for High Yield and Quality in Garlic
Potassium is an essential nutrient for crop growth, and its role in increasing crop yields and improving the quality of agricultural products has been confirmed in many crops, but there are still few reports on the effect of potassium on garlic yield and quality. Through two years of field trials, the Soil and Fertilizer Institute of the Zhejiang Academy of Agricultural Sciences proved that potassium application to garlic achieves high yield and quality. 1. The role of potassium application in garlic. The results of two years of field trials showed that potassium fertilizer application to garlic had an obvious yield-increasing effect. Under equal nitrogen and phosphorus levels, applying potassium fertilizer compared with no potassium fertilizer increased yield by 60.0
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Why does applying biofertilizer to garlic increase yield?
When growing garlic, yellowing leaf tips and drooping leaves easily occur, weakening the growth vigor, making the leaves thin and the stems slender, and causing a marked drop in yield. If during the growth and development of garlic you pay attention to applying more biofertilizer, using the beneficial microorganisms in the biofertilizer to decompose toxic and harmful substances in the soil and nutrient elements fixed in the soil, and secreting growth hormones to stimulate garlic growth, the garlic will not develop yellowing, will have green stems and leaves, and its yield will increase markedly. The specific method is as follows: during the growth and development of garlic, every 15-20 days at the roots
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New disease-resistant, high-yield rice variety launched by Bayer CropScience
On May 14, 2008, Bayer CropScience announced the launch in India of ArizeRDhani, the world's first hybrid rice variety resistant to bacterial leaf blight. Compared with conventional varieties, this new variety can increase yields by 20%-30% and provides the crop with strong protection against the highly destructive bacterial leaf blight. "Rice is a staple food in many developing countries and emerging markets. Although global demand for this crop continues to grow, the occurrence of diseases can greatly affect harvests and threaten food supply.
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Mixed farming of turtles and earthworms in the same pond yields high economic returns
Under micro-flowing water conditions, amphibious turtles and aquatic earthworms are co-cultured in one pond, with the aquatic earthworms serving as the main feed or supplementary feed for the turtles. This can make the turtles strong and healthy, grow faster, shorten the breeding cycle, reduce feeding costs, and more than double economic returns. Moreover, throughout the entire rearing process, contamination of the product by hormone drugs is avoided, meeting the basic requirements for pollution-free food and making it more popular with consumers. The main technical points are introduced as follows: 1. Pond construction: choose a site with abundant water sources and good water quality
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Three key points to master for high-yield Gastrodia elata cultivation
I. Armillaria must be "three new" 1. New technology: new methods to obtain new strains. The new method uses the latest biotechnology to detoxify the strains, which is by far the most advanced method of obtaining strains. Among traditional Armillaria strains, the best results come from those obtained by tissue isolation or spore isolation; most units or individuals use purchased mother cultures for subculturing and expansion, so the cultivation results are poor. 2. New strains: pure isolated strains within three generations are required. The pure isolated strains referred to in this article mean
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Three key points for high-yield cultivation of Gastrodia elata
In recent years, as the area devoted to Gastrodia elata production has shrunk sharply while market demand keeps rising, the price of Gastrodia elata has shown a continuously upward trend. Recently many growers have called to inquire about cultivation techniques for Gastrodia elata. A reporter interviewed Gastrodia elata expert Professor Cao Debin of the Shandong Academy of Agricultural Sciences on this topic. The key points of high-yield cultivation techniques for Gastrodia elata are introduced here, in the hope of being helpful to the many Gastrodia elata growers. 1. Armillaria must be "three new" 1. New technology: new methods to obtain new strains. The new method uses the latest biotechnology to detoxify the strains, and this is by far the most advanced method of obtaining strains. Among traditional Armillaria strains, those obtained by tissue isolation or spore isolation have the best effect; ordinary units or individuals mostly use purchased mother cultures for subculturing and expansion, so the cultivation effect is poor.
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Key Technical Points for Improving the Survival Rate and Yield of Sexual Propagation of Gastrodia elata
Tuyan is one of the main Gastrodia elata production areas in Hubei, with wild Gastrodia elata widely distributed, and both the climate and soil within its boundaries are suitable for sexual propagation of Gastrodia elata. Combining local environmental conditions and based on practical experience, the author has summarized the key techniques for sexual propagation of Gastrodia elata suited to the local natural environment. 1. The quality and quantity of fungal inoculum are the foundation for ensuring the germination and growth of Gastrodia elata seeds. (1) The germination rate of Gastrodia elata seeds depends on the quality and quantity of the seed germination fungus. Practice has shown that sowing Gastrodia elata with No. 8104 seed germination fungus mixed in gives a high germination rate and fast germination speed.
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High-yield Wild-simulated Cultivation Technique for Oyster Mushrooms in Winter and Spring
Oyster mushrooms produced using wild-simulated cultivation techniques not only taste as delicious as wild ones, but also truly achieve ecological, high-quality, high yields. Even in the cold winter and low-temperature early spring seasons, they can be grown in a relatively enclosed shade shed, making full use of ground heat to produce thick, tender, high-quality oyster mushrooms. This method increases yield by more than 60% compared with conventional cultivation methods, and by more than 40% compared with cultivation methods such as mushroom walls, with a biological conversion rate reaching more than 220%. The specific techniques for high-yield, high-quality wild-simulated cultivation of oyster mushrooms in winter and spring are as follows: 1. Mycelium culture: Use high-pressure or atmospheric-pressure sterilization
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