at low temperatures Learn more about at low temperatures
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The harm of low temperature and low light weather to vegetables in greenhouse and its countermeasures
In recent years, due to the emergence of haze weather, winter cold weather gradually increased, generally occurred in late November to mid-February of the following year, when the year.
2019-02-28 -
Analysis of death causes of Indoor Flowers in Winter
In winter, in addition to low temperature will lead to frostbite of flowers, there are many reasons will cause the death of flowers. If you grow flowers indoors because you are worried about the cold, but they still die, it is likely to be caused by the following reasons
2018-07-02 -
Dairy sterilization: how about the level of low-temperature sterilized fresh milk? Is the quality of low temperature raw dairy products good?
Fresh milk sterilization can be divided into two simple methods, one is low temperature sterilization, the other is high temperature sterilization, each has its own supporters. Consumers who support low-temperature sterilization believe that fresh milk can retain more nutrition without high-temperature sterilization, while consumers who support high-temperature sterilization think that fresh milk is easy to go bad and high-temperature sterilization can ensure hygiene.
2019-05-13 -
Environmental Conditions for the Growth of Gastrodia elata
First, the effect of temperature on the growth of Gastrodia elata The effect of temperature on the growth of Gastrodia elata: Temperature is the main factor affecting the growth of Gastrodia elata. Gastrodia elata likes to grow in cooler summer and not very cold winter environments. The longer the temperature and time suitable for its growth, the more favorable it is to the growth of Gastrodia elata. (1) The effect of temperature on asexual reproduction of Gastrodia elata L. underground tuber began to grow at about 14℃, grew faster at 20-25℃, and was inhibited at 30℃. The total accumulated temperature of the whole growing season is about 3800℃ in one year. Elevation is 1,000.
2019-01-16 -
Effect of temperature on the growth and development of flowers
Effect of temperature on the growth and development of flowers
2020-02-21 -
The reason why pigs do not eat at low temperature
The reason why pigs do not eat at low temperature
2019-08-09 -
Effect of low temperature chilling injury on Rice and its Preventive measures
Rice chilling injury means that rice suffers from the influence of low temperature below the lowest critical temperature, which leads to the abnormal growth and development of rice and the reduction of rice yield. According to the different period of injury, it can be divided into delayed chilling injury, obstacle chilling injury and mixed chilling injury. 1. Types and characteristics of rice chilling injury 1. Delayed chilling injury rice in vegetative growth period, sometimes including reproductive growth period, suffers from lower temperature for a long time, weakens the physiological activity of rice plant, delays heading and flowering, and cannot be fully filled.
2019-01-16 -
Prevention and remedial measures of low temperature chilling injury of cowpea
Prevention and remedial measures of low temperature chilling injury of cowpea
2020-03-11 -
Prevention and remedial measures of the latest low temperature chilling injury of cowpea
After entering March, the temperature gradually rises, but the cold air will also appear from time to time, bringing severe cooling. In this case, if the vegetable production management is not strict, it is very likely to suffer from low temperature cold injury, or even directly freeze to death, which has a great impact on the yield. The following editor
2020-11-10 Latest cowpea low temperature chilling injury prevention and remediation measures -
Causes of early bolting of the latest radish and its preventive measures
The phenomenon that radish only bolts and blossoms, the phenomenon that radish does not grow underground or does not grow is called early bolting, also known as immature bolting. Most radish varieties can go through vernalization and early bolting after 10 to 20 days of low temperature, but different varieties have different responses to low temperature. So for
2020-11-10 The latest radish advance bolting causes and prevention measures -
How to prevent low temperature Frost injury of Chinese Cabbage
How to prevent low temperature Frost injury of Chinese Cabbage
2019-11-30 -
Causes of early bolting of radish and its preventive measures
Causes of early bolting of radish and its preventive measures
2019-06-11 -
How to prevent low temperature freezing injury of the latest Chinese cabbage
The winter temperature is relatively low, and the cold air will come suddenly, which makes people unprepared. Many people are often busy for a season, and the harvest is often destroyed by a frost injury. So how to prevent Chinese cabbage from freezing? The editor brings you some prevention and control measures. I hope
2020-11-10 The latest Chinese cabbage how to prevent low temperature freezing injury winter temperature -
Low temperature sprouting technology of lettuce
The temperature range of lettuce and celery seed germination was 5-25 ℃, and the germination above 30 ℃ was blocked. The temperature of lettuce and celery is higher when sowing in summer and autumn, so the seeds can emerge early and evenly by low temperature treatment. In low temperature treatment, the seeds should be wrapped in gauze and soaked in well water at a water temperature lower than 25 ℃. Lettuce.
2018-09-15 -
Causes and Solutions of low Fruit setting rate of latest Tomato
Tomato is a well-known vegetable, it tastes delicious, is loved by consumers, has a wide range of cultivation, and has high economic value. However, the low fruit setting rate during planting is a headache for farmers, such as low fruit setting rate, low tomato yield and farmers' harvest.
2020-11-10 The latest tomato fruit setting rate low causes and solutions. -
Vernalization even if there is nothing to do
Vernalization even if there is nothing to do
2018-04-27 -
Can wheat weeding be carried out at a low temperature? The effect is good above 10 degrees.
It is best not to use wheat herbicides when the temperature is low, at this time, application will not only affect the weeding effect, but also cause drug damage, the more suitable temperature is more than 10 ℃, the higher the temperature, the better the weeding effect, so it is recommended to choose sunny days, 10:00 to
2020-11-08 Wheat weeding temperature low energy enter okay 10 degrees above effect -
Causes and Solutions of low Fruit setting rate of Tomato
Causes and Solutions of low Fruit setting rate of Tomato
2019-01-25 -
The latest prevention and control methods of low temperature obstacle in eggplant
Eggplant is often attacked by low temperature chilling injury and freezing injury in the process of seedling raising or early or late cultivation, which is called low temperature obstacle. It will seriously affect the growth and development of eggplant, and it will also have a serious impact on the later yield.
2020-11-10 The latest eggplant low temperature obstacles prevention and control methods in -
On Bud withering and vernalization
Bean petal orchid flowers, but unfortunately no fragrance.
2018-02-25