Seed Safe Storage 5 Management

Suitable harvest time for pasture

How to store seed potatoes safely is currently also required to be completed in conjunction with a number of management measures:

One is to choose a storage pit according to local conditions. Commonly used pits, cellars, Yatou pits and permanent cellars, as long as the cellar management, can be safely stored.

The second is to do well into the cellar work. Before entering the cellar, the old cellar should be cleaned and disinfected. The cellar and clifftop cellar should be scraped off by a layer of field soil. It can also be ignited by sulphur, then sealed in the cellar mouth, and gasified by fumigation (1 cubic meter with 100 grams of sulfur) when entering the pit. Take light and put neatly, storage generally accounts for 2/3 of the potato pit space is appropriate.

The third is to ensure the appropriate temperature for storage. Generally, the temperature in the initial stage of entering the cellar may be higher, and the cellar opening and the air eye should be opened to dissipate heat. When the cellar temperature is basically stable at 14°C to 15°C, the cellar opening and the air eye are closed in a timely manner, and the cellar temperature decreases sharply. In the middle of storage, in order to ensure that the cellar temperature is not lower than 10°C, in addition to the cellar door and the gas eye, the cellar top cover soil or valerian can also be thickened. A wind barrier is set up next to the pit. The warmer weather during late storage also requires attention to the cold.

The fourth is to prevent the storage of wet cellar. The humidity in the cellar is too large. If the warmth is not good, the condensed air current will often attach to the surface of the potato block, causing a rotten cellar. The prevention method is to cover the potato heap with a layer of grass or straw, and the grass wet to replace it.

Fifth, proper ventilation to prevent nausea pit rot. This phenomenon has occurred in the deep well cellar, and it has happened in the early stage of cellar sealing, full loading, high cellar temperature, and large breakage of potato chips. It is important to pay attention to open the ventilation of the pits properly in sunny weather to prevent rot in the cellar.

In two kinds of Incompatible Liquids, adding one kind of assistant can make one of the liquids dispersed in another liquid with very small particles or liquid beads, and become a more stable emulsion. This action is called emulsification, and the auxiliaries that play the role are called emulsifiers.

Surfactant is a substance which can significantly reduce the surface tension of solvent (generally water) or the interfacial tension between liquid and liquid, change the surface state of voxels and produce ethylene to meet the application requirements.

Emulsification, dispersion and solubilization. Solubilization: The presence of micelles increases the solubility of substances in solvents. This phenomenon is called solubilization.

Solubilization is different from emulsification. When one liquid is dispersed in the other, the system is unstable and eventually stratified. Solubilization can make the system more stable. When the surfactant concentration of the solution reaches the critical micelle concentration, the micelle can dissolve the oily substance in its own lipophilic part. In pesticide emulsifiers, surfactants have obvious solubilization effect on pesticides, which helps to improve the emulsifying performance, especially the stability, and can reduce the amount of emulsifiers.

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