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What are the control methods for mushroom droplet disease?
Droplet disease is caused by infection with rod-shaped bacteria. Its symptoms are colorless or yellowish-gray droplets of varying sizes produced on the mushroom bodies. Brown or yellow, sometimes green, small spots appear on the caps. This disease was first discovered in France, is rare in the United States and Japan, and has not yet been reported in China. Control measures: keep the inside and outside of the mushroom house clean and hygienic, strengthen ventilation and air exchange, and do not make the mushroom house too humid.
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What causes cherry blossoms to drop their leaves early?
The cherry blossoms that should have dropped their leaves in mid-September have dropped them in mid-August for four or five consecutive years, with no pest damage or obvious disease found, and no such phenomenon has appeared in nearby nurseries. What is the reason? Xu Shaoyuan, technical director of Zhejiang Senhe Seed Industry Company, answers: There may be three reasons for early leaf drop in cherry blossoms. First is pest damage. The larvae of longhorn beetles can, under the bark at the base of the trunk, cause the entire branch to drop its leaves early; if the larvae are in the main root, they cause the entire tree to drop its leaves early, so checking for pest damage is very important. Generally speaking, a nitrogen fertilizer content of 3‰ is relatively
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Is it really necessary to clean rabbit droppings once every day?
Teacher Xu Shangjin, a skilled rabbit raiser in Heilongjiang, said that he found that rabbit droppings have a thin film on the outside. About ten minutes after the droppings fall onto the dropping board, this thin film dries, and if it is not broken, the droppings do not smell or give off odor! If the system of cleaning droppings once every day is insisted on, it will inevitably cause the droppings to break and give off a foul smell and odor. In addition, it also shows that cleaning droppings in the rabbit house every day will inevitably affect the rest of the rabbit herd. If the rabbits do not rest well, they will not grow well. Therefore, cleaning droppings every day is not recommended, and at the same time, washing the rabbit house with water every day is strictly prohibited. Practice has proved that some large
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How to prevent soybean flower and pod drop? Practical methods are here
1. Topdressing according to the field and the seedlings. For fields where the plants cannot close the rows in time during the flowering period due to lack of fertilizer, topdressing can be applied once more at the early flowering stage. Generally, applying 5 kg of urea or 10 kg of ammonium sulfate per mu can reduce flower and pod drop. 2. Foliar spraying of fertilizer. During the flowering and podding period, generally use 0.5 kg of urea, 1.5 kg of superphosphate, 0.25 kg of potassium sulfate, and 25 g of borax per mu, add 50 kg of water to extract the infusion, and spray it on the leaves. It is best to spray on cloudy days or after 4 p.m., which helps preserve flowers, increase pods and seeds
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What to Do About Soybean Flower and Pod Drop? A Full Guide to Prevention and Control Measures
Soybean flower and pod drop is a major factor affecting yield. Under ordinary cultivation conditions, the number of dropped flowers and pods can account for more than 50% of the total number of flowers, and in severe cases up to 70%. Soybean flower and pod drop is mainly caused by internal physiological imbalance in the plant and adverse external environmental conditions. Based on practical experience in our area, the following measures can be taken to prevent soybean flower and pod drop: 1. Apply more phosphorus and potassium fertilizer, and appropriately top-dress with nitrogen fertilizer and micronutrient fertilizer. Applying more phosphorus and potassium fertilizer to soybeans can reduce flower and pod drop and promote full grains. Therefore, on the basis of applying sufficient base fertilizer, at sowing time for every 66
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What to Do About Soybean Flower and Pod Drop? Causes and Control Techniques
There are many causes of flower and pod drop in soybean, mainly: poor ventilation and light penetration. Under poor ventilation and light conditions, soybean is prone to flower and pod drop. When planting soybean, improper variety selection, early canopy closure, excessive density, mutual shading of branches and leaves, coupled with high humidity and poor light, leads to low leaf chlorophyll content, causing soybean plants to gradually turn yellow. With little nutrient accumulation, flowers and pods drop. Nutrient imbalance: the flower and pod drop stage of soybean is the period of highest nutrient demand; if nutrient supply is insufficient, flowers and pods will drop. The fertilizer requirement pattern of soybean
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In early winter, laying ducks are prone to "reverse molting", so farmers should beware of a drop in egg production rate
"Reverse molting" in laying ducks refers to female ducks raised in spring that enter the laying period in November, when the temperature gradually turns colder, and the day-night temperature difference is too large or nutrition is insufficient, causing ducks that have just started laying to stop producing and go on "vacation". If laying ducks begin "reverse molting", they start to molt, and once molting begins they will not lay eggs again until the following spring. If duck "reverse molting" can be controlled during this period, the laying period can be greatly extended and the economic benefits of duck farming increased. When ducks show signs of "reverse molting" such as eggs becoming smaller, eggshells becoming thinner, delayed laying time, wet feathers after drinking water and coming ashore, and crowding into the duck house, measures should be taken promptly
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What do the five colors of chicken droppings each indicate?
1. Red 2. Green 3. White 4. Watery 5. Feed-colored Red droppings 1. Formed, with beef-thread-like strands, coccidia first-generation schizogony stage 2. Orange-red, falls to the ground unformed, undigested feed, enteritis 3. Purplish-red bloody droppings, cecal coccidiosis 4. Brown droppings, more in the morning, less in the afternoon, normal; brown droppings, less in the morning, more in the afternoon, vibrio hepatitis 5. Bloody droppings, mechanical injury or scratch Green
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What are the methods for preventing and controlling soybean flower and pod drop?
1. Reasonable topdressing. Usually, soybean is topdressed once with nitrogen fertilizer at the early flowering stage, which can reduce the rate of flower and pod drop, extend the lifespan of the plants, increase grain weight, and raise yield. Generally, 150-230 kg of ammonium nitrate or 120-180 kg of urea can be applied per hectare; at the flowering and podding stage, foliar topdressing can be carried out, using 0.5 kg of urea, 1.5 kg of superphosphate, 0.3 kg of potassium sulfate, and 30 g of borax per mu, adding 50 kg of water, extracting the leachate, and spraying it on the leaf surface, which helps preserve flowers, increase pods and grains, and raise the 100-
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What causes soybean flower and pod drop?
1. Poor ventilation and light penetration. Sunlight is not only the main energy source for the production and accumulation of organic nutrients, but also the main factor that promotes rapid plant development and inhibits excessive vegetative growth. Good ventilation and light penetration in soybeans can make the climate between plants consistent with the climate above the plants, reduce humidity between plants, increase light and temperature, accelerate transpiration from the leaf area, and speed up the transport of nutrients. 2. Imbalanced nutrient supply. Plants on poor, thin soil drop more flowers and pods than those on fertile soil. Soybeans with excessive vegetative growth and shaded branches and leaves drop more flowers and pods than soybeans with normal growth and good ventilation and light penetration.
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