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Detailed Explanation of Key Technical Points for Early Spring Management of Garlic
Spring field management of garlic mainly refers to the management from after the spring temperature rises until the harvest period. This period is exactly when the garlic bulb expands, and it is also a period when diseases and pests occur frequently. Therefore, doing a good job of management during this period is of great significance for a bumper harvest of garlic. 1. Fertilizer and water management: The application of fertilizer should grasp the principle of supplementing vigorous growth and promoting weak growth. At the same time, irrigate well with the "two waters," namely the green-returning water and the bulb-expanding water. Generally, after garlic returns to green, plots with vigorous growth should be given little or no fertilizer; for plots with yellowing seedlings and weak growth, combined with watering, in
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Key Points for Pre-Farrowing Preparation of Sows in Winter and Spring
In winter and spring, the weather is cold, so wind protection and warmth retention must be well managed. It is best to set up a dedicated farrowing room for the sow. The farrowing room should be warm and dry, with humidity kept at 65%-75%, comfortable and quiet, with plenty of sunlight and fresh air, and a temperature maintained at 22-23°C. For sows in good body condition with well-developed udders, feed should be reduced 3-5 days before farrowing, gradually decreasing to 1/2 or 1/3 of the feeding level during gestation, and feeding of green, juicy feed should be stopped. For those sows in poor body condition and with underdeveloped udders, not only should feed not be reduced before farrowing, but some feed rich in protein and vitamins should also be added.
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Master the key technical points of winter goose fattening, get good returns by marketing before the Spring Festival
Good returns from marketing winter geese before the Spring Festival; key technical points of winter goose fattening
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How to fatten thin cattle in spring? Master these key points
1. Choose good cattle for fattening The key to choosing good cattle for fattening lies in discovering the fattening potential of thin cattle. Thin cattle caused by poor feeding management, low-quality feed, or excessive labor can be chosen as the first choice. Never buy sick cattle that are too old, suffer from digestive tract diseases or infectious diseases, and are extremely weak. 2. Build good pens Create a quiet, comfortable, and clean living environment for thin cattle to minimize stress responses. 3. Group reasonably: Group newly purchased thin cattle by age, sex, and nutritional status. This not only
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How to use medication for chicken respiratory diseases in winter and spring? Farming experience sharing
There are many causes of chicken respiratory diseases, which can be broadly divided into non-infectious causes and infectious causes. Every year starting from Cold Dew, the temperature difference between day and night increases, and most farmers reduce ventilation time to keep warm. Coupled with factors such as unreasonable chicken coop design and unreasonable vaccine immunization, respiratory diseases have long plagued the majority of farmers. Analysis of disease causes: Feeding management - poor ventilation in chicken coops. The concentration of harmful gases such as carbon dioxide exhaled by chickens, ammonia and hydrogen sulfide produced by feces, and carbon monoxide produced by incomplete coal combustion rises, while oxygen concentration decreases. Chickens kept in such an environment for a long time will suffer damage to their respiratory systems. Ammonia and hydrogen sulfide gases can cause inflammation of the conjunctiva and tracheal mucosa of chickens, making it easy for pathogens to invade the respiratory system and cause disease; carbon monoxide can cause poisoning in chickens; dust caused by dry litter carries large amounts of pathogenic bacteria such as E. coli, and when the concentration is high or the body's resistance decreases, it is easy to cause colibacillosis; if moldy litter is used, large amounts of mold spores are dispersed in the air, and after being inhaled by chickens, they cause aspergillosis in chickens. Environmental factors such as excessive stocking density in chicken coops and ambient temperatures that are too high or too low can all interact with infectious respiratory pathogens, aggravating the symptoms of respiratory diseases.
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Technical Guidelines for Protecting Cotton Seedlings in Spring Planting
"Half the yield comes from good seedlings." Since late March, cotton sowing has been rolled out across the country. Because cotton prices opened high and kept rising last year, cotton production has shown a recovery trend this year, seed markets in various places started early, and seed sales have rebounded noticeably. In view of last year's abnormal climate, with rainy and low-temperature autumn weather, many rotten bolls and generally poor seed quality, plus the low temperature and drought of last winter and this spring, preparations must be made in advance and active responses taken to unfavorable weather of low temperature, drought or high humidity. According to forecasts from the Central Meteorological Observatory, there is a high probability of high temperature and drought this spring, so it is even more necessary to lay a
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Causes of Spring Yellowing in Winter Onions and Control Methods
For some time now, the author has continuously received letters or phone calls from the public asking about spring management of winter onions. Some people report that winter onions which grew well under low-temperature conditions developed yellowing leaves, root aging, and even death after temperatures rose in early spring, and that cold-resistant winter onion seedlings actually grew worse than local winter onions. Why? Through field observation, the author learned that in spring 2005, winter onions in most regions nationwide showed similar conditions. On the Jiaodong Peninsula, which has the largest planting area in the country, many
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Detailed Explanation of Key Technical Points for Spring Planting of Pinellia ternata (Dry Pinellia)
In recent years, there has been a large supply-demand gap in the dry Pinellia market, and prices have been rising steadily, so production can be developed according to local conditions. Planting on slopes or intercropping with other crops: Pinellia ternata is a shade-tolerant crop, so gentle slopes can be chosen for planting, or it can be intercropped in young orchards and fields of tall crops such as corn and wheat. Pre-sowing sprouting promotion, mulching during the seedling stage; generally sown from February to April. Before sowing, the seed tubers are sprouted on indoor hotbeds, with the bed temperature maintained at 20°C, and sprouts can emerge after 15 days. Place the seed tubers in a plastic greenhouse with a temperature of 20-25°C for 15 days, and sow after the bud sheaths turn white.
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Detailed Explanation of Spring Sowing and Seedling-Raising Methods for Chinese Parasol Tree
The Chinese parasol tree (Firmiana simplex) is a deciduous tree of the genus Firmiana in the family Sterculiaceae, with a straight trunk and bright green bark. It is an excellent street tree species and has been widely used in urban and rural greening in recent years. Through several years of practice, the author has worked out a set of techniques for spring sowing and seedling raising of the Chinese parasol tree, presented as follows: Sowing time: in the Beijing plain area, sowing can be carried out from late March to early April after the soil thaws in spring. Soil preparation: before sowing, plow the soil deeply to 30 cm, remove weeds, tree roots and other debris, then carry out ridging or bed making and soil disinfection. Ridging and bed making: the Chinese parasol tree should be raised using high beds, wide ridges or containers, especially on loam and clay soils that easily become compacted. On sandy loam, low beds or flat beds can be used for seedling raising.
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Detailed Techniques for Spring Sowing and Seedling Cultivation of Chinese Parasol Tree (Part Two)
Seedling Management 1. Loosening Soil and Weeding After sowing, dicotyledonous weeds such as field pepperweed, Japanese hop, and amaranth will proliferate in large numbers. They can be removed manually or sprayed with 2,4-D at 1/1000. When weeding, follow the principle of "remove small, remove early, remove completely," with a soil loosening depth of 2 to 3 cm. 2. Fertilization and Irrigation Fertilize when seedlings reach 3 to 5 cm in height, applying 8 to 10 kg of compound fertilizer per mu, combined with irrigation; thereafter water according to soil moisture conditions. 3. Pest and Disease Control During the seedling stage of Chinese parasol tree, attention should be paid to the prevention of damping-off disease. Through measures such as early sowing, high-ridge seedling cultivation,
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