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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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Several Key Technical Measures for Increasing Gastrodia elata Yield
Gastrodia elata is a precious Chinese medicinal herb. In order to solve the problems commonly found in current artificial cultivation of Gastrodia elata, such as unstable yield, severe degeneration, and susceptibility to pests and diseases, the Edible Fungi Research Institute of our county carried out research on high-yield, stable-yield, and high-quality cultivation models for Gastrodia elata, and achieved certain results. The several techniques for how to increase Gastrodia elata yield are summarized as follows: 1. Choose a suitable cultivation site: Gastrodia elata is suitable for growing in areas with cool summers and winters that are not very cold. It requires moist soil, but not waterlogged, and rich in humus.
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Getting the five key steps right in Gastrodia elata cultivation can effectively increase yield
To achieve stable and high yields of Gastrodia elata, the first thing is to get the five pre-planting steps right: First, choose the site. Gastrodia elata cultivation can be adapted to local conditions, whether indoors, in air-raid shelters, semi-basements, or chicken coops. Because Gastrodia elata likes dark, damp, and cool environments, choose places with good ventilation and shade as much as possible, with semi-basements and outdoor trenches giving the best results. You can lay a layer of bricks before use, or increase the thickness of the bottom sand layer to enhance its water permeability. Second, if the indoor floor is concrete, use high-quality Armillaria mellea fungal material (spawn). Armillaria mellea fungal material
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How to Increase Gastrodia elata Yield? The Three-Switch Measures Are Key
Gastrodia elata is a fine medicinal herb and has been selling well in the market in recent years. The farmers of Chalu Village, Baoshan Town, Fengcheng City, Liaoning Province, regard developing Gastrodia elata production as an important path to wealth; more than 40 households in the village grow Gastrodia elata and earn considerable income every year. Li Jingrong, a retired cadre of the village, has grown Gastrodia elata for 14 consecutive years and accumulated rich experience. He found that the yield of artificially cultivated Gastrodia elata tends to decline year by year. There are mainly 3 reasons: first, because self-bred and self-propagated tuber seeds are used year after year, the degeneration is severe; second, because self-bred and self-propagated fungal strains are used year after year,
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How much does management level affect Gastrodia elata yield?
Strengthening management is an important measure for obtaining a high yield of Gastrodia elata. The main thing is to keep temperature and humidity under control. During the growth of Gastrodia elata, the temperature should be kept at 20-25°C and must not exceed 25°C. The optimum humidity for the growth of Gastrodia elata is 65% and must not exceed 70%. It is best to add some grain and vitamin B1 to the water used for watering, that is, to water with nutrient water. In addition, ventilation and shading are also needed. Various weeds and fungi as well as damage to Gastrodia elata from rats, mole crickets and the like must be prevented and controlled. In short, the requirement is to advocate "early" in planting Gastrodia elata, demand "good" in the fungus sticks, and keep temperature
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How much does the base growing medium affect Gastrodia elata yield?
At present, the base growing media used for cultivating Gastrodia elata vary from place to place. In the Hanzhong area of Shaanxi, river sand is mostly used as the base growing medium, while in the Tonghua area of Jilin, humus soil is mostly used as the base growing medium. Some also use broadleaf tree sawdust mixed with sand or rice husk mixed with sand as the base growing medium. The biggest advantage of sand as a growing medium is good water permeability, but it contains very few nutrients; choosing humus soil made of semi-decomposed fallen leaves as the growing medium is better, but the black soil from the lower layer must not be mixed in. Production practice has shown that sawdust mixed with sand, rice husk mixed with sand, and semi-decomposed
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The most suitable planting time for Gastrodia elata and its impact on yield
Gastrodia elata is best planted during its dormant period. Winter planting in October to November and spring planting in March to April both give relatively good results. Gastrodia elata is generally not planted in summer, because this is precisely its growing season; digging it up at this time disrupts the relationship between Gastrodia elata and Armillaria mellea, and even if it barely survives, the results are very poor. Choosing an appropriate cultivation time is one of the important measures for increasing Gastrodia elata yields. The most suitable cultivation time is October to November (called autumn-winter planting), followed by February to March (called spring planting), and the worst is June to July
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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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