Oxygen-evolving seed coating agent for promoting direct seeding rice seed germination and seedling development and coating method
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A seed and coating technology, applied in the agricultural field, can solve the problem of less oxygen, and achieve the effect of reducing the application, reducing the pollution of the paddy field, and increasing the supply of magnesium.
Inactive Publication Date: 2016-06-15
CHINA NAT RICE RES INST
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Problems solved by technology
However, the existing technology cannot reduce the application of field chemical pesticides while providing the seeds with the oxygen required for germination and seedling growth and the magnesium elements required for seedling growth when the direct-directed rice is sown and encounters flooding and other anoxic conditions. Technology Releases less oxygen at the same coat weight
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Embodiment 1
[0019] Put the seed coating agent into the blender and mix well, then add the seeds according to the mass ratio of seeds and seed coating agent 1:45, and then spray an appropriate amount of water for coating. The coated seeds are naturally dried, and measured after drying. coated seeds to ensure that the water content of the seeds is between 11-13%;
[0020] Wherein, the seed coating agent includes: 25% magnesium peroxide, 15% insecticide, 12% bactericide A, 15% bactericide B, 2% carboxymethyl cellulose, diatomaceous earth or talcum powder 31%.
Embodiment 2
[0022] Put the seed coating agent in a mixer and mix well, then add the seeds according to the mass ratio of seeds and seed coating agent 1:65, then spray an appropriate amount of water for coating, after coating, dry at 45-55°C for 25 seconds, measure the coated seeds after drying, and ensure that the water content of the seeds is between 11-13%;
[0023] Wherein, the seed coating agent includes: 30% magnesium peroxide, 20% insecticide, 8% bactericide A, 15% bactericide B, 2% carboxymethyl cellulose, diatomaceous earth or talc 25%.
Embodiment 3
[0025] Put the seed coating agent in a mixer and mix well, then add the seeds according to the mass ratio of seeds and seed coating agent 1:50, then spray an appropriate amount of water for coating, after coating, dry at 45-55°C for 15 seconds, measure the coated seeds after drying, and ensure that the water content of the seeds is between 11-13%;
[0026] Wherein, the seed coating agent includes: 28% magnesium peroxide, 20% insecticide, 12% bactericide A, 10% bactericide B, 5% carboxymethyl cellulose, diatomaceous earth or talcum powder 25%.
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Abstract
The invention provides an oxygen-evolving seed coating agent for promoting direct seeding rice seed germination and seedling development. The oxygen-evolving seed coating agent is characterized by comprising the following raw materials by mass: 25%-30% of magnesium peroxide, 15%-20% of a pesticide, 8%-12% of a bactericide A, 10%-15% of a bactericide B, 2%-5% of carboxymethyl cellulose, and 13%-35% of diatomite or talcum powder. The seed coating agent provided by the invention adopts magnesium peroxide as the main coating material, and is also formulated with the pesticide and bactericides, can provide oxygen for direct seeding rice seeds in a waterlogging environment to promote germination and seedling development, and also magnesium in the coating can alleviate the magnesium deficiency symptom of rice field. The pesticide and bactericides in the coating agent can effectively control diseases and pests, promote health growth of rice seedlings, and are conducive to later high yield of rice.
Description
technical field [0001] The invention relates to the field of agricultural technology, in particular to an oxygen-releasing seed coating agent and a coating method for promoting the germination and seedling formation of direct-directed rice seeds. Background technique [0002] With the acceleration of urbanization in our country, the number of rural migrant workers has increased, and a large number of labor has transferred to the secondary and tertiary industries, resulting in a continuous decrease in the number of people engaged in agriculture. Moreover, the age of agricultural labor is generally too old, and the labor intensity they can bear is also corresponding It is increasingly required that agricultural production be developed towards lightness and simplification. Direct-directed rice saves the heavy labor process of raising seedlings, pulling seedlings and transplanting. Large-scale application of direct-directed rice can not only save labor and labor, but also reliev...
Claims
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Application Information
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