How should fertilization be managed in spring after wheat suffers from snow and ice

The winter snowfall has advantages and disadvantages for wheat, and it should be categorized according to local conditions. For wheat fields that are still alive, they should apply urea 7.5 to 10 kilograms in the returning green period. The wheat fields that are deficient in phosphorus can also be treated with appropriate amounts of diammonium phosphate or superphosphate; wheat fields with better spring moisture can be used for fertilization. In the absence of water, fertilizer can be applied with water, and 10 kg of urea can be applied during the jointing period; for the less severe freezing damage, most of the wheat stems with the main stem and the big locust survive, the cultivator should be strengthened in the early spring, and the heat preservation should be carried out for normal management. The sowing date is shorter than that of the wheat field which is late in the year and the group is insufficient. Do not rush to water in the early spring. Raise the soil temperature and protect the soil by cultivating loose soil.

Reflective safety parka

When Car Reflective Vest use the aluminum lattice reflective material, not only in a small angle (from the reflective warning vest wearer far away), reflective brightness is high, even at a large angle (from the reflective warning vest wearer closer ), it still has a good reflective brightness, so that the locomotive driver earlier identified roadside vehicle side of the staff, as soon as possible to respond to effectively prevent the occurrence of secondary accidents.

Reflective warning vests are made of high-visibility reflective material It can make the traffic police work smoothly in the night or special weather in order to reduce the rate of the casualties. it plays a special role in security especially in traffic engineering.When the motor vehicle fails, the driver needs to wear a reflective warning vest, and away from the faulty vehicle to prevent the occurrence of secondary accidents. This kind of reflective warning vest is mainly applicable to police, road officials, traffic commanders, road maintenance personnel, motorists, motorcycles and bicycles drivers, dark light workers and so on in one word, the local worker who needs to use light warning. Widely used in traffic engineering, shipbuilding industry, steel industry, machinery industry, oil industry, ambulance, parking lot, airport, traffic police and outdoor work or construction, plays an important role in good security warning .

According to reflective vest`s wearing [far distance discovers, near distance recognise" s character. It balances the big and small angle of optical performance. It has a large reflection angle.

Reflective warning`s reflection part of the vest is the use of lattice micro-rhombus type refraction and high refractive index of glass beads back to the principle of reflection, through the post-processing of advanced processing technology made. It can reflect the distant light back to the light. Both in the day or night have a good retroreflective optical performance. Especially at night, it can play the same high visibility as the day. The use of this high-energy reflective material made of safety clothing, whether the wearer is in the distance, or in the light or scattered light interference, it can be relatively easy to be found by the night driver.

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