-
How to prevent almond winter dieback? A detailed guide to practical methods
In northern regions, especially in areas with strong spring winds, winter dieback is prone to occur. The root system of almonds has no natural dormancy; although some cultivars can tolerate low temperatures of -18°C, winter dieback can also occur in windy, dry weather below -10°C. When transpiration water loss from branches reduces their water content to 35%, winter dieback occurs. Sometimes it also occurs on 2- to 3-year-old branches, causing serious effects on tree growth and fruiting. The main technical measures to prevent winter dieback are as follows: 1. Establish shelterbelts to create a good growing environment. Establishing shelterbelts,
-
Three Key Points for Winter Cultivation of Oyster Mushrooms
1. Mushroom Yard Selection: The ideal site for winter cultivation is a mushroom yard with heating and insulation conditions, such as an indoor mushroom house equipped with heating, a relatively warm underground mushroom yard, or a raised-bed mushroom yard using plastic greenhouse cultivation. The temperature of such mushroom yards can be kept above normal temperature, which is beneficial for mycelial growth and can also advance mushroom formation. Generally, for early winter cultivation, an outdoor mushroom yard can be chosen; for late winter cultivation, an indoor mushroom house is preferable. 2. Strain Selection: According to the arrangement of the fruiting period, winter-cultivated oyster mushrooms can be divided into two types: winter cultivation with winter fruiting and winter cultivation with spring fruiting. For the former, low-temperature-type varieties or medium-low
-
Detailed Explanation of Insulation Methods for Winter Oyster Mushroom Cultivation
Winter cultivation of oyster mushrooms has a high success rate and is also a good opportunity for people to use their spare time to make money. However, winter temperatures are low, and cultivated oyster mushrooms either colonize slowly or fail to colonize for a long time, and deformed mushrooms are produced during the fruiting period. Heating with coal stoves not only increases costs but the coal gas can also cause poisoning symptoms in the mushroom bodies. Through practice, I have developed a method for winter oyster mushroom cultivation using bioenergy for insulation, which has the advantages of saving costs and being hygienic. The technique is introduced as follows: 1. Bag cultivation of oyster mushrooms should begin in late autumn. When the weather turns cold, have ready bags with half-grown mycelium
-
Prevention Methods for the Decline in Laying Rate of Laying Ducks in Early Winter
"Daodan" (laying stop) in laying ducks refers to mother ducks raised in spring entering the laying period in November, when the temperature gradually turns colder and the temperature difference between day and night is too large, or due to insufficient nutrition, causing ducks that have just started laying to stop production and "take a vacation." If laying ducks "daodan" and begin molting, once they molt they will not lay eggs again until the following spring. If duck "daodan" can be controlled during this period, the laying period can be greatly extended and the economic benefits of raising ducks can be increased. When the ducks show signs of "daodan" such as eggs becoming smaller, eggshells becoming thinner, delayed laying time, wet feathers after coming ashore from drinking water, and burrowing into the duck house
-
Prevention and Treatment Methods and Key Technical Points for Winter Dysentery in Cattle
1. Prevention. The transmission route of this disease is infection through the digestive tract; therefore, cattle kept indoors in winter should have their feeding management and environmental disinfection strengthened, diseased animals should be isolated and treated promptly, the equipment and secretions of diseased animals should be thoroughly disinfected, manure must be strictly prevented from contaminating feed and drinking water, and manure management and harmless treatment should be strengthened. 2. Treatment. This disease is mainly treated with symptomatic therapy. An equal-amount mixture of turpentine oil and creolin can be administered orally, 25-50 milliliters each time, 2 times per day. For severe cases, fluid replacement should be given promptly, such as glucose saline
-
How to prevent fish from oxygen deprivation in winter? These practical methods you need to master
In winter, although the feeding activity of fish in ponds decreases, they still need a certain amount of dissolved oxygen to maintain slow breathing. The dissolved oxygen in a pond mainly comes from the photosynthesis of phytoplankton and the direct dissolution of oxygen from the air into the water. However, in the cold winter, once the pond surface freezes over, oxygen from the air cannot dissolve into the fish pond. When heavy snow covers the ice surface, sunlight cannot shine directly into the pond water, and the green plants in the water cannot carry out photosynthesis to produce oxygen. Moreover, in winter most fish gather at the bottom of the water. If the water quality is poor, the fish are weak, and management is poor, it can easily cause fish to suffocate and die from lack of oxygen.
-
Common field planting patterns for intercropping cotton with potatoes
The cotton-potato intercropping pattern is widely used in northern Jiangsu; the two crops have a short symbiotic period, little mutual influence during that period, and a complementary effect in fertilizer use. The ample fertilizer and water in the field during the late growth stage of potatoes favor cotton seedling development, allowing a double high yield of both cotton and potatoes. Generally, potatoes yield 2000-2500 kg per mu and cotton yields 80-100 kg per mu, with an output value of 2500-3000 yuan per mu and a net income of 1500-2000 yuan. The bed is generally about 3 m wide, and cotton is planted in wide and narrow rows, with wide rows 150 cm apart and narrow rows
-
Key Cultivation Techniques for Winter-Planted Potatoes in Guangdong
Guangdong's warm winter and abundant water sources give it resource advantages for developing winter-planted potatoes. The earliest winter-planted potatoes brought to market in Guangdong are a full 3 months earlier than those from other regions, making them the earliest fresh potatoes to reach the market in the world, with a market advantage. Winter-planted potatoes are currently one of the more ideal winter crops, and they are easy to cultivate, have a short production period, low cost, high yield and wide uses. The main cultivation techniques are as follows: 1. Seed treatment. Before sowing, sprouting and sunning of the seed potatoes is required. After harvest, potatoes have a 50-60 day
-
Fox and raccoon dog mange mite disease must be carefully guarded against in autumn and winter, never be overlooked
In the current season, the breeding of fur animals is entering the fur growth period. In addition to meeting the various nutrients required for fur growth, special attention should be paid to the occurrence of external parasitic diseases. Zhaoyuan Farm has 100,000 foxes and raccoon dogs in stock and has rich experience in the prevention and treatment of lice and mange mite disease. The precautions are introduced as follows: Pay attention to observation. Skin diseases such as lice and mange mite disease cause great harm to fur animal breeding. They should attract sufficient attention from the vast number of breeding farms and breeders. Especially in the current winter fur growth season, inspecting and preventing mange mite disease is work that breeders must not neglect before pelting.
-
Analysis of Causes of Jasmine Death in Winter and Key Care Points
Causes of jasmine death in winter: 1. Cold damage: when the air temperature (room temperature) falls below 3-5°C, the plant's physiological functions are damaged; when it drops to 3°C, the whole plant will die. 2. Overly wet potting soil: when the air temperature (room temperature) is below 10°C, jasmine is in a dormant state and its demand for water in the potting soil is relatively low. If watered too much, the jasmine root system remains in an unaerated condition for a long time and is prone to suffocation and death. 3. Overly dry potting soil: if not watered for a long time, jasmine will wither and die. To help jasmine survive the winter safely, cold protection must be done well
条件筛选