The level of corn seed germination is an important indicator to measure the quality of corn seed, and it is also an important factor affecting field emergence. The germination rate of seeds is affected by two aspects, which are the influence of internal and external factors. The internal factors include seed maturity, seed moisture content, phytotoxicity, and mechanical damage, while the external environmental factors mainly include light intensity and temperature. Humidity, soil moisture content, soil compaction and other aspects of the impact. The external factors of the seed can be tested using the seed germination box, through which he can avoid the damage caused by factors such as light intensity and temperature and humidity.
How does the internal factors of the seed affect the germination rate of the seed and how can it minimize the influence of internal factors? The seed germination rate of corn is positively correlated with the maturity of seeds, the maturity is good, and the germination rate and germination potential are high. The difference between the maturation and immature of seeds can make the seed particle size different, and the separation can be separated as far as possible by adjusting the separation by the blower type degree meter to reduce the influence of the maturity on the seed germination rate. At the same time, this can also be measured by using the fullness of the seed. The test chamber of the seed plumpness is to be tested by the 1000-grain weight. The measurement of the seed's thousand-grain weight requires the use of a seed pelletizer and a balance of different precision for the test. of.
Seed moisture is the main factor affecting the germination rate. During the drying process after harvest, mildew occurs easily as the temperature changes. When the moisture content of the seeds is higher, the temperature of the corn piles rises faster. With the extension of the stacking time, the corn will completely lose its vitality. Attention should be paid to the storage and drying of the corn after harvesting.
The damage caused by mechanical threshing to seeds varies from species to species, and the requirements for moisture during threshing are also different. When the moisture content is too high or too low, the increase of malformed seedlings can be caused by injury to the grain embryo during threshing, which affects the seed germination rate. Therefore, in the process of seed threshing, the damage of the mechanical detachment to the seed can be reduced by controlling the moisture content of the seed, and the germination rate of the seed can be increased.
Optical Brighteners are important raw material in Detergent, Textile, Paper industries. DMS, CBS are mainly used for detergent field, such as: DMS is regarded as one of the perfect agent used in detergent industry, owing to introducing the morpholine group into the molecular, the properties such as acid and perborate resistance be improved. It can be used in the whitening of cellulose fiber, polymide fiber and fabrics, showing anionic characteres and has optical bule color, it has better resistance to chloride bleaching than VBL and 31#, the most favorable dyeing bath PH value is 7-10.
BA & BBU mainly are used for paper industry.
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