Seed coating type
Seed coating agents are divided into the following types depending on their use:
1. Pesticide-type agrochemicals This is the most common and most widely used method in the world today. It is used not only for food crops but also for vegetables and fruit trees. The application of such seed coating seeds can effectively prevent various pests from spreading and spreading as seeds are introduced and transported.
2. Micro-Fertilizer Seed Coating Agent This is a kind of seed coating agent that controls the deficiency of crops by adding trace elements. The commonly used trace elements include zinc, copper, iron, manganese, boron, molybdenum, and chlorine.
3. Adjust the pH value of the seed coating agent against the pH value in the soil, and study the pH value of the buffer seed coating agent to improve the seed germination rate and seedling establishment rate. For example, phosphorus-containing minerals, calcium magnesium phosphate fertilizers and other seed coating agents used in acidic soils can play a role in regulating PH and replenishing phosphorus.
4. Promoting Seed Germination Seed Coating The Netherlands studied a seed coating agent that promotes seed germination, and solved the problem that some crop seeds affect the germination due to the coating of certain types of seed coating agents.
5. Seed coating agents such as weeding agents contain highly efficient herbicides that are easy to spread, specifically treating “cat's eye†or seedling weeds. Australia has succeeded in coating such pastille seeds with forage seed.
6. Large-seed seed coating agent This seed coating agent coats tiny wrinkly concave seeds to increase seed volume, smooth surface, uniform seed size, suitable for mechanical sowing, and is widely used in sugar beet and pasture.
7. Rhizobium seed coating agent This rhizobium seed inoculant on the surface of pasture seeds, even under severe weather conditions, can maintain a considerable amount of rhizobia and higher nitrogen fixation capacity over a period of time.
In addition, they can be divided into water-storage and drought-resistant seed coating agents, seed-promoting crop-accelerating agents, herbicide-remaining seed-inhibiting herbicides, and water-permeable permeable seed coating agents.
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