Scientific irrigation ensures safe winter wheat
Focusing on this year's wheat sowing season, good sowing quality, long pre-winter growth time and more basic seedlings, strong seedlings and more seedlings, straw returning to many characteristics and species layout, to do the winter wheat straw with frozen water as the main It is a crucial technical link to ensure the safe winter wheat and the harvest of the next summer's crop. First, it is necessary to fully pour in frozen water (winter water), timely winter irrigation, increase soil moisture, stabilize the ground temperature, ease the dramatic changes in ground temperature, and sink the soil. This is one of the most important measures to ensure safe wintering in the northern winter wheat region. . Pre-winter groups have sufficient numbers of high-yield wheat fields, and sufficient winter irrigation can also create conditions for the development of no-flooding, no-fertilization and control over-development of groups in the following year. The period of winter irrigation generally starts at an average temperature of 7-8°C on the day after the beginning of winter, and ends at 3-5°C on the average day after the snow. That is, "freezing in the night, winter irrigation is just right." The corresponding time is approximately November 17-30. The principle of watering is: low-lying, sticky early pouring, late sanding; dehydration, water shortage, yellow seedlings, weak seedlings, proper early pouring, strong seedlings, strong seedlings, and wheat fields that have been poured with full moon water, should be properly poured. Second, all kinds of wheat fields must be hatched after watering to make up for cracks and keep the public opinion. The third is for the deferred yellow wheat field, with urea 5-10 kg/mu. The fourth is the spraying of antifreeze on the foliar spray: in particular, the Shijiazhuang and Jimei series wheat varieties can be sprayed with “Bi Huâ€, “Shuo Feng 481â€, “Yun Da 120†and other agents. These agents contain ingredients. Lactone, it can play a role in the plant to enhance drought resistance, cold resistance, and promote growth and strong. Fifth, the rate of dead seedlings in winter wheat fields with straw returning to field is significantly higher. After the frozen water is poured, select the soil surface to produce freeze-thaw layer and press wheat barnyard, and also cover organic fertilizers such as cows and sheep dung to prevent cold. Sixth, it is forbidden to put sheep in the wheat fields.
High quality disposable bacterial viral filter Artificial Nose/ HME Filter for adult and children
use For surgery Disposable tracheostomy artificial nose/hme filter
Medical Surgical Consumables Disposable Hme Filter Anaesthesia Loop Filter Artificial Nose
Disposable Humidifier Artificial Nose
Disposable medical tracheostomy artificial nose/HME filter for anesthesia apparatus
Humidifier artificial nose, disposable Hme filter artificial nose, medical tracheostomy artificial nose Suzhou Xuanweicheng Biotechnology Co., Ltd , https://www.xwc-medical.com