Recently, the continuous low temperature, rainy weather, and sunny weather in our province have caused adverse effects on the growth of rice seedlings. Due to improper management, seedling emergence, cotton rot, and bacterial wilt occur. In view of this situation, the current rice paddy field should strengthen the management of temperature, moisture and ventilation, the principle is to prevent the greenhouse temperature is too high caused by weak seedlings, and second, to prevent cold water caused by frozen seedlings, and third, to prevent the dramatic changes in temperature caused by green, Blight caused dead seedlings.
1, emergence to a leaf period
The key to management in this period is to promote control and control temperature and humidity. The temperature in the shed is controlled at about 25°C, and the maximum is not more than 28°C. The plant height is generally controlled at 4.5-5.5cm; the seedlings begin to ventilate and strengthen the seedlings at the beginning of one leaf period and promote the control. Generally, the ventilation is started at 9-10 hours in sunny days, and the membrane insulation is closed at 14-15 hours. The ventilation time and ventilation rate should be determined according to the temperature. When the temperature is low, ventilation time and ventilation volume should be reduced. Pay attention to the ventilation outlet firstly selected on the side of the leeward. When each ventilation is performed, slowly open the ventilation outlet, try to ventilate the upper part, and gradually increase the ventilation volume. In case of low temperature and low light, we must strengthen the insulation measures, choose to increase the temperature of the shed inside the smoke, gas tank boiling water heating and other methods, and in the shed to increase the insulation cover or shed around the straw cover insulation. In the event of frost damage, early morning ventilation should be provided to ease the dehydration and wilting of frozen leaves. Water management, control watering, maintain a good air permeability of bed soil. If there is a partial lack of water, it can be sprayed in small quantities. One-leaf and one-heart period seedlings are the best period for preventing blight, and spraying prevention with 10% of Leghorn, 3.2% of Kekuxing, or transplanting seedlings can be used per square meter.
2, one leaf to two leaf and one heart
During this period, the greenhouse temperature is controlled at 20-25°C, and the plant height is controlled at 7.5-8.5cm. Strictly prevent high-temperature burning seedlings or seedlings, can increase ventilation time. If there is a continuous rainy and cold weather, after the weather is sunny, it is advisable to open the shed for ventilation. Water management should strictly control the watering, keep the state of the soil in bed, promote the development of the roots, and achieve “three look†watering, that is, whether the bed is white and the root growth status, see the early and late leaf tip size, See if the heart is wilting or curling at high temperatures in the afternoon. If the bed is whitish and the roots are well developed, the water droplets of the early and late leaves will become smaller or the wilting or curling of the heart will occur at midday. Watering should be done in time and the watering time should be minimized. Watering time should be selected in the morning and evening, it is best not to water during the day.
3. Two-leaf to one-leaf clover
During this period, the greenhouse temperature was controlled at 20°C and the plant height was controlled at 12.5-13.5cm. Water management should be short of water, especially after 2.5 leaf water management, especially the use of carcass seedling form, due to small carcass soil pot, poor water retention, should pay attention to watering, prevent high temperature drying seedlings, watering To spray slowly back and forth, can not flood irrigation. Appropriately increase ventilation and ventilation time, exercise seedlings to adapt to the external environment, and enhance cold resistance. At the same time, attention should be paid to the control of blight and blight. For the severe bacterial wilt, the method of irrigation should be adopted, so that the water layer of the seedbed can reach 2/3 of the seedling height, and string irrigation can be performed.
4, clover to heart transplant
The temperature in the shed shall not exceed 20°C, and the cover film shall cover the night cover. When the minimum temperature is higher than 7°C, it can be ventilated day and night, and the seedlings will be naturally smelted and transplanted three days before transplanting. In terms of water management, water shortage and replenishment, and 3 days before transplanting, in the absence of wilting of seedlings, watering is controlled, seedlings are strong, and the seedlings are in a state of thirst, which is good for rooting after transplanting, returning to green and early tillering. Seedlings after the 3 leaf stage, if the emergence of seedling leaves generally bleak green yellow fertilizer, per 100m2 seedbed available potassium dihydrogen phosphate or ammonium sulfate 2-3Kg, 100 times the water spray on the foliage, spray water to prevent the pouring of water Burn seedlings. Two days before transplanting, 150 grams of diammonium phosphate was sprayed on each square meter, and the seedlings were sprayed with water after fertilization. At the same time, 10% of the heroin was sprayed with 1000 times liquid to prevent the leaves leaffly.
What is Phenibut?
Phenytoin is a "brain stimulant" that has a variety of effects on the body and nervous system. A telepath is a drug that enhances memory or stimulates a specific area of the brain. It is also used to treat conditions such as anxiety and insomnia and people with generalized anxiety disorder (GAD) may benefit from taking Fenebute. The drug of the technical name for beta - phenyl - gamma-aminobutyric acid, it is a kind of the gamma-aminobutyric acid derivatives nervous system regulator, GABA (and its derivatives, such as phenytoin sodium) has proven to have some effect, make these chemicals for the treatment of some useful not bout is a kind of promote medicine, sometimes used in the treatment of anxiety disorders, The drug was originally an "astronaut's drug".
The report cites the I.M. Herzen-Leningrad Institute in the former Soviet Union as one of the earliest sites for synthesizing phenytoin. Russian space explorers took the form of this chemical to help them deal with the need for fenebbut to treat insomnia and in modern medicine, phenobarbital has lowered blood pressure and other related effects. It has some side effects, including the effects of drug withdrawal, increased blood pressure, anxiety and insomnia. Researchers are still studying how drugs like Fennebute can help better control neurological conditions.
Due to its side effects, fenibute should not be taken first by consulting a doctor. Doctors sometimes use the drug to treat post-traumatic stress disorder in military personnel and other patients. It's also prescribed by doctors for people with specific symptoms a kind of anxiety, including social anxiety. It could even help treat other conditions, such as stuttering. In forums related to these conditions and pharmacology, individuals are attempting to educate the public about medicines. Before starting treatment with Fenebute or related medications, patients must be aware of the risks and benefits.
Consumer advocates point out that not all popular uses of these drugs have been specifically approved by the FDA, and that more attention may need to be paid to clinical trials. Government medical information sources have provided more information about the pharmacology of phenytoin sodium and information about the drug has reached the fitness community. Some people apparently believe that benibute is useful for athletes because of its relaxing properties. Fitness forums include reviews of the drug from individual users, including those who buy it over the counter. Although similar drugs are also available over the counter, individuals should seek medical attention before taking them due to reported side effects. As with Benibute, exercise can help reduce the symptoms of anxiety.
What is Phenibut?
Phenytoin is a "brain stimulant" that has a variety of effects on the body and nervous system. A telepath is a drug that enhances memory or stimulates a specific area of the brain. It is also used to treat conditions such as anxiety and insomnia and people with generalized anxiety disorder (GAD) may benefit from taking Fenebute. The drug of the technical name for beta - phenyl - gamma-aminobutyric acid, it is a kind of the gamma-aminobutyric acid derivatives nervous system regulator, GABA (and its derivatives, such as phenytoin sodium) has proven to have some effect, make these chemicals for the treatment of some useful not bout is a kind of promote medicine, sometimes used in the treatment of anxiety disorders, The drug was originally an "astronaut's drug".
The report cites the I.M. Herzen-Leningrad Institute in the former Soviet Union as one of the earliest sites for synthesizing phenytoin. Russian space explorers took the form of this chemical to help them deal with the need for fenebbut to treat insomnia and in modern medicine, phenobarbital has lowered blood pressure and other related effects. It has some side effects, including the effects of drug withdrawal, increased blood pressure, anxiety and insomnia. Researchers are still studying how drugs like Fennebute can help better control neurological conditions.
Due to its side effects, fenibute should not be taken first by consulting a doctor. Doctors sometimes use the drug to treat post-traumatic stress disorder in military personnel and other patients. It's also prescribed by doctors for people with specific symptoms a kind of anxiety, including social anxiety. It could even help treat other conditions, such as stuttering. In forums related to these conditions and pharmacology, individuals are attempting to educate the public about medicines. Before starting treatment with Fenebute or related medications, patients must be aware of the risks and benefits.
Consumer advocates point out that not all popular uses of these drugs have been specifically approved by the FDA, and that more attention may need to be paid to clinical trials. Government medical information sources have provided more information about the pharmacology of phenytoin sodium and information about the drug has reached the fitness community. Some people apparently believe that benibute is useful for athletes because of its relaxing properties. Fitness forums include reviews of the drug from individual users, including those who buy it over the counter. Although similar drugs are also available over the counter, individuals should seek medical attention before taking them due to reported side effects. As with Benibute, exercise can help reduce the symptoms of anxiety.
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