Summer is not what fruit is good to eat, to distinguish which is easy to get angry fruit is, which is the antipyretic fruit: cold fruit solution hot summer fruit is mostly cold, such as pears, apples and various Melons. In general, people with hot physical fitness have strong metabolism in the summer, sympathetic nerves predominate, sweating more often, and their faces are often flushed with redness, dry mouth, irritability, and constipation. In summer, they especially like to eat cool things. Therefore, the hot body mass can eat more cold fruits. However, cold fruits can not eat more, otherwise it is harmful to the body. If you don’t pay attention to eating lychee, you may induce “litchi diseaseâ€. Let's quickly look at the taboos for eating lychee. 1, not suitable for fasting Fresh lychee litchi has a high sugar content. Fasting food will stimulate the gastric mucosa and cause stomach pain and bloating. In addition, excessive consumption of fasting food can cause "hyperosmotic coma" due to the sudden addition of excessive amounts of high sugar in the body. 2, do not eat too much Eating a large amount of lychee and eating too little can easily lead to sudden hypoglycemia, dizziness, thirst, nausea, sweating, stomach pain, and palpitation. In severe cases, coma, convulsions, and irregular heartbeats occur. These symptoms are sudden hypoglycemia caused by large quantities of lychee, medically known as litchi acute poisoning, also known as "litchi disease." Because most of the monosaccharides contained in litchi are fructose, fructose must be absorbed by the body and must undergo a series of enzyme catalysis to become glucose for energy or be converted into glycogen for storage and be oxidized by tissue cells. If you eat too much lychee at one time, the blood glucose level will decrease much more than normal and cause hypoglycemia. Therefore, litchi disease is an acute disease caused by hypoglycemia, manifested as early onset, often with early symptoms of sweating, cold extremities, fatigue, diarrhea, etc., followed by sudden convulsions and coma. If you get angry symptoms, you can eat cold watermelon to relieve fever. Do not eat more than 10 lychees at one time. If you eat more foods, the anger will increase, and the throat will dry, causing serious discomfort such as nausea, weak limbs, and dizziness. Especially for children, eat 3-4 capsules, eat more prone to fever. 3, diabetic people eat carefully Lychee is high in sugar, so diabetics are cautious. At the same time, people with yin and anger and those who have symptoms of getting angry should not eat it, so as not to increase the symptoms of the upper body. Throat pain, swollen gums, nose bleeding embolism should also be hanged. 4, try not to eat blisters litchi Many lychees on the market are now boiled with water and contain a lot of water. A large amount of water entering the gastrointestinal tract will dilute the digestive fluid, causing loss of appetite or indigestion, as well as transient hypoglycemia. Some blisters litchi may contain toxic ingredients such as detergents, which may also cause dizziness. Picking Litchi Tips Fresh lychees should have a bright color, a large uniform, thin skin, thick and juicy, sweet, full of aroma. When you pick it, you can gently pinch it in your hand so that the lychee's hand senses the tightness and elasticity. From the appearance, the color of fresh litchi is generally not very bright. If the litchi head is pointed and the "spike" density on the epidermis is relatively high, it means that the litchi is still not mature enough, otherwise it is a mature litchi. If the lychee shell has flat cracks and obvious sutures, the taste will be sweet. How to choose different varieties of lychee? Gui Wei: The fruit is spherical, medium-sized, light red, and the shell is crispy, and the cracks on the epidermis are sharply spiked with osmanthus flowers. Glutinous rice glutinous rice: The fruit is flat heart-shaped, large head, bright red, smooth peaks on the surface, fruit shoulders bulging prominently, and the thick core of meat is small. Zongzixiao: The fruit is larger, the average fruit weight is 30 grams, and the pulp is tender and juicy. Black leaves: The fruit is ovoid or crescent-shaped, medium in size, dark red in color, thin in shell, flat in surface blunt, and uniform in size, regular in arrangement, with obvious cracks and sutures, and large in size. White wax: The fruit is heart-shaped, medium in size, reddish-brown with yellowish-brown, thick and brittle, smooth cracks, smooth flesh, sweet, juicy. Sprinkler irrigation and micro-irrigation automatic control equipment With the development of economy, water resources, energy shortage and labor cost increase, more and more water-saving irrigation systems will adopt automatic control. This article focuses on the advantages and classification of automated irrigation. Degree Irrigation Nozzle,Irrigation for Agriculture,Impact Drive Sprinkler,Plastic Drip Irrigation Fittings JIANGSU SKYPLAN GREENHOUSE TECHNOLOGY CO.,LTD , https://www.thgreenhouse.com
The advantages are as follows:
(1) It is possible to truly control the amount of irrigation, irrigation time and irrigation cycle in a timely and appropriate manner, thereby increasing crop yield and significantly improving water utilization.
(2) Saving labor and operating expenses.
(3) The work plan can be arranged conveniently and flexibly, and the management personnel do not have to go to the field at night or other inconvenient time.
(4) Since it can increase the effective working time every day, the initial capital investment in pipelines, pumping stations, etc. can be reduced accordingly.
classification:
First, fully automated irrigation system
The fully automated irrigation system does not require direct human involvement. The pre-programmed control procedures and certain parameters that reflect the water requirements of the crop can automatically open and close the pump for a long time and automatically irrigate in a certain order. The role of the person is simply to adjust the control program and overhaul the control equipment. In this system, in addition to emitters (heads, drip heads, etc.), pipes, fittings, pumps, and motors, it also includes central controllers, automatic valves, sensors (soil moisture sensors, temperature sensors, pressure sensors, water level sensors, and rain sensors). Etc.) and wires.
Second, semi-automatic irrigation system
In the semi-automated irrigation system, no sensors are installed in the field. The irrigation time, irrigation volume and irrigation period are controlled according to pre-programmed procedures, rather than feedback based on crop and soil moisture and meteorological conditions. The degree of automation of such systems is very different. For example, some pump stations implement automatic control, and some pump stations use manual control. Some central controllers are only one timer with simple programming function, and some systems have no central control. The controller, but only some of the sequential switching valves or volume valves are installed on each branch pipe.
Automated irrigation is the trend of the times. In the future water-saving irrigation projects, more and more automated irrigation systems will be applied.