How to fertilize winter wheat reasonably

First of all, according to the characteristics of the fertilizer needs of wheat, determine the appropriate fertilization period, the amount of fertilizer, and choose the right fertilizer. There are two main types of wheat fertilization, one is the base fertilizer before sowing, and the other is the top dressing after the returning to the jointing stage. The base fertilizer includes all organic fertilizer, phosphorus and potassium fertilizer and about half of the nitrogen fertilizer, which is applied before the wheat is planted. From March to April of the second year, the wheat rose to the jointing stage, and the long stems and long ears, the demand for nitrogen fertilizer is very large, then the nitrogen in the base fertilizer is not enough, the other half of the nitrogen fertilizer should be applied.

How should we rationally fertilize wheat? When applying the base fertilizer, it is recommended to apply 1000-3000 kg of organic fertilizer per mu, and on this basis, apply 10-15 kg of urea, or 25-40 kg of ammonium bicarbonate, 10-15 kg of diammonium phosphate, and 5-10 of potassium chloride. kg. Or the application of compound fertilizer, it is best to use a general-purpose type, that is, a compound fertilizer with equal or similar levels of NPK. For top dressing, it is necessary to grasp the period of rejuvenation and jointing, generally 10 to 20 kg of urea or 25 to 50 kg of ammonium bicarbonate.

Magnetic Door Stoppers

A magnetic door stop is a set of two pieces of hardware. One piece attaches to the bottom inside corner of a door, while the other piece is fixed to the adjacent wall. When these two pieces come in contact, the magnetic door stop may then be able to hold a door open and protect the wall from damage at the same time. Door stops are often available in a variety of finishes, styles and price ranges to suit an individual`s specific needs.

Once both pieces of hardware have been successfully installed, the two pieces should [catch" when the door is open. This is because the two magnets have opposite, attractive forces strong enough to hold a door open. A magnetic door stop is, however, usually weak enough that a simple tug on the door should separate the magnets, which allows the door to close when necessary.

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