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Sharing of High-Yield Cotton Cultivation Experience and Practical Techniques
I. Pre-Sowing Preparation First, purchase high-quality cotton seed. It is recommended to change seed every year. Never be tempted by cheap prices to use second- or third-generation cotton seed, because saved seed reduces yield by about 10% each year. Use about 1.5 kg of seed per mu. Sun the seed before sowing for a cumulative total of no less than 30 hours, turning it constantly. Be careful not to spread it directly on concrete, brick, or metal surfaces. Before sowing, build up soil moisture in good time and preserve it, so that sowing is done with adequate soil moisture. II. Scientific Fertilization Apply ample basal fertilizer. Generally, apply 3-4
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New high-yield and disease-resistant cotton variety Sumian 14
This variety has high yield. In the 1996-1997 provincial regional trial, the lint yield was 96.12 kg per mu, 5.36% higher than the control Simian 3, reaching an extremely significant level. In the 1997-1998 national regional trial, it yielded 11.6% more than Zhongmiansuo 12, and in 1998-1999 the high-yield plot reached 140-160 kg. It has strong disease resistance, is highly resistant to fusarium wilt with a disease index of 1.48, and resistant to verticillium wilt with a disease index of 11.54. It has excellent quality: 2.5% span length 29 mm, specific strength 23.6 g/tex, micronaire value 4.5
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Demian 206 is a new high-quality hybrid cotton variety
In recent years, with the rapid development of the textile industry, cotton consumption and market demand have continued to grow, and the smiles on cotton farmers' faces have been especially bright. For cotton farmers, how to choose excellent cotton varieties is very important. Those cotton varieties with good yield performance, large bolls, strong disease resistance, and smooth boll opening are usually their first choice. Below is an introduction to a good cotton variety with the many advantages mentioned above - Demian 206. Outstanding heterosis Demian 206 is a high-quality, high-yield, multi-resistant hybrid cotton
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Introduction to the High-Temperature No. 9 Oyster Mushroom Variety and Key Cultivation Points
High-Temperature No. 9 oyster mushroom. (1) Characteristics: a high-temperature variety, growing in clusters; the cap is gray and turns dark gray when the temperature is below 20°C; the stipe is relatively firm; the gills are white; the fruiting bodies are relatively compact and dense, with high market quality. It is not susceptible to yellow mushroom disease or brown rot, and the biological efficiency of the first flush is about 150%. (2) Suitable temperatures: 6-38°C for mycelial growth, 12-36°C for fruiting.
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How to cultivate high-temperature oyster mushrooms? Detailed explanation of key technical points
Late spring and early summer is a good time to cultivate oyster mushrooms. Because high-temperature oyster mushrooms fruit during periods of high air temperature and are prone to many diseases, the planted quantity is relatively small, but their price is 2 to 3 times that of the autumn-winter period. High-temperature oyster mushroom cultivation is technically difficult and the success rate is extremely low, so how to obtain high quality and high yield is a matter of greater concern to mushroom growers. Variety selection Many mushroom growers fail in cultivating high-temperature oyster mushrooms, mostly due to mistakes in variety selection. Some growers do not clarify the temperature type of the variety and plant casually, resulting in no fruiting or failure of mycelial growth because the temperature type is wrong, so it is essential to obtain spawn from
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Key Techniques for Summer Cultivation of High-Temperature Oyster Mushrooms
As summer arrives and temperatures gradually rise, edible fungi on the market become increasingly scarce. Cultivating high-temperature oyster mushrooms for market at this time can yield considerable economic benefits. Variety selection. The main characteristic of high-temperature oyster mushrooms is tolerance to high temperatures; generally, any variety that can withstand 36°C can be selected. Currently, commonly used high-temperature varieties include 831, Shuangnai No. 3, and others. Cultivation method. Summer cultivation of oyster mushrooms is generally suitable for indoor growing, as this makes humidity easier to control. Bed width 80-100 cm, layer spacing 60 cm, with 6-7 layers possible, leaving
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Transplanting oyster mushrooms is a new way to achieve high yields
Researchers at the vegetable supply base of Shengli Oilfield, through repeated experiments, have found a new way to achieve high yields of oyster mushrooms - transplanting. The key technical points are introduced as follows: 1. Choosing a good transplanting bed There are no special requirements for choosing a transplanting bed. As long as the mycelium is growing normally, the substrate surface is free of contaminating microorganisms, there are no pests, and the dryness and moisture levels meet the standard, the key point is that any mushroom block or bed that has not yet produced mushrooms can be used as a transplanting bed. 2. Key technical points of transplanting First, strictly disinfect the small shovel or small knife used for transplanting according to conventional methods. Then select mushroom buds that are growing densely in a coral-like shape
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Mycelial film is a formidable enemy of high-yielding oyster mushrooms, and growers must be vigilant
Casing soil cultivation is an important measure for obtaining high yields of oyster mushrooms. However, before fruiting or after the first flush is harvested, the casing soil surface often forms an impermeable, airtight mycelial film from vigorously growing aerial hyphae, affecting fruiting. This mycelial film consumes a large amount of nutrients, causing reduced oyster mushroom yields, and must be prevented in production. Causes of mycelial film formation: First, when bag-cultivated oyster mushroom substrate is not fully colonized before casing soil is applied, the hyphae undergo a second vegetative growth on the surface, forming a mycelial film; Second, the cultivation substrate formula is unreasonable, with excessive nitrogen content blocking
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Do not use cottonseed hulls with a high content of cottonseed kernels directly for cultivating oyster mushrooms
Cottonseed hulls consist of the hulls left after the kernels are removed from cottonseed, the short cotton lint attached to the hulls, and a small amount of broken cottonseed kernels. Cottonseed hulls are rich in nitrogen, phosphorus, potassium, cellulose and lignin, with a carbon-to-nitrogen ratio of 79-85:1, are slightly alkaline, loose outside and dense inside, have good air permeability and strong water retention, and are a top-grade material for edible mushroom cultivation. However, cottonseed hulls contain toxic substances, and after sterilization under high pressure or normal pressure they release aldehydes, ketones and acids, and these toxic substances inhibit mycelial growth, delay pinning, and cause undesirable outcomes such as small mushrooms and poor mushroom quality.
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Introduction to the High-Temperature-Tolerant Wild Oyster Mushroom NP Variety
A pure strain obtained by tissue isolation after multiple collections of wild oyster mushrooms by the **Institute of Biological Soil and Desert Research, Chinese Academy of Sciences. The fruiting body primordia are solitary or clustered, and young primordia are white or light brown. The cap diameter is 10-12 cm, the thickness is 1-1.5 cm, and the cap is pure white or light brown. The flesh is white, the stipe diameter is 1.5-2.5 cm, the length is 2-6 cm, and the color is white. The spore print is white or light purple. It has wide adaptability and high-temperature tolerance, capable of fruiting at 30°C, but it can also fruit normally at a low temperature of 8°C.
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