How to use phosphate fertilizer best

2023-05-10 01:08:17

How to use phosphate fertilizer is the best? Phosphate fertilizer takes phosphorus as the main nutrient fertilizer. The size (significant degree) and speed of phosphate fertilizer are determined by the effective phosphorus pentoxide content, soil properties, fertilizer release methods and crop types. Phosphate fertilizer has little mobility in the soil, so it is generally applied as a base fertilizer. Water-soluble phosphate fertilizer and weak acid-soluble phosphate fertilizer have good effects as seed fertilizer. Calcium magnesium phosphate fertilizer has no free acid and is suitable for seed dressing or rooting.

Superphosphate can be used as base fertilizer, seed fertilizer and top dressing. In order to meet the needs of phosphorus nutrition during the whole growth period of the crop, the phosphate rock powder can be used as the base fertilizer for the middle and late harvest of the crop, and the superphosphate is used as the seed fertilizer for the crop seedling stage. For the water-soluble quick-acting phosphate fertilizer, in order to reduce the chemical fixation of phosphorus in the soil, it is recommended to apply concentratedly, such as strip application, acupoint application, and organic fertilizer; for the insoluble phosphate fertilizer, in order to increase the contact between the fertilizer and the soil, Dispersion administration should be carried out.

The poorly soluble phosphate fertilizer is mixed with acid fertilizer and physiological acid fertilizer, or co-stacked with organic fertilizer, and applied to the green fertilizer crop with strong phosphorus absorption ability. The low level of soil phosphorus supply will limit the increase of crop yield, and the effect of increasing the application of phosphate fertilizer on this type of soil is significant. Therefore, phosphate fertilizer should be preferentially distributed in low-yield fields with low phosphorus, thin land, dry land, and new land.

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Mobile video monitoring and alarm system is a set of intelligent system for security to enter the civilian field. This system integrates mobile phone monitoring and mobile phone anti-theft alarm systems. When illegal people break into the restricted area, the system host will immediately call and send SMS or email to the designated users! Users can view the image of the monitoring area with their mobile phones or computers as soon as they receive a phone message.

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The system has its own wireless alarm module, which can be matched with wireless door magnets, probes, smoke detectors and other wireless alarm trigger devices. When someone breaks into the monitoring defense area, the system will automatically call, send SMS and email to the designated four mobile phone users, and will also generate audible and visual sirens locally. After receiving the alarm call and information, the remote user can view the monitoring picture through the Internet mobile phone or computer, control the camera rotation angle and focus, and deploy and remove the alarm system through the mobile phone, while starting the mobile phone video recording function and handling the alarm. Application prospect Home monitoring

After work or when going out, you can open your computer or mobile phone at any time to view the real-time image of your home, communicate with your family face to face, learn about your family, and take care of your family remotely; When the thief steals while no one is at home, the automatic signal can be sent to the community monitoring center in time, and the residents can be notified by mobile short message, email or telephone. All this can be easily achieved through the home video monitoring system. As early as 2004, the total output value of China's video surveillance industry application market had reached 15.1 billion yuan, an increase of nearly 23% compared with 12.3 billion yuan in 2003, and growing at an annual rate of about 20%. According to the survey of the analysis institution, with the accelerating pace of life, the demand for family users' sense of security is gradually increasing, and the requirements for family monitoring and security are also increasingly mature.

As the video monitoring system plays an important role in protecting security and preventing crime, the growth of personal users' demand for family security will certainly drive the development of residential monitoring system. The demand for video surveillance from ordinary consumer households is becoming an emerging market for video surveillance applications, and is expected to show significant growth in the next few years.
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