Blended controlled-release fertilizer for flue-cured tobacco in southwest Hubei province, and preparation method and application thereof
A technology of controlled-release fertilizer and mixed control, which is applied in the field of blended controlled-release fertilizer and its preparation of flue-cured tobacco in Southwest Hubei, can solve the problems of unsuitable for large-scale promotion, unfavorable plant growth, slow nutrient release, etc., to prevent rapid release, The effect of reducing labor output and improving utilization rate
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0043]Example 1
[0044]Example 1 of the present invention provides a method for preparing a blended controlled-release fertilizer for flue-cured tobacco in southwest Hubei. The specific process is as follows:
[0045]Step 1: Prepare the outer film, mix 20 parts of ring-opening epoxy soybean oil and 50 parts of isocyanate, add 10 parts of pyrethroid insecticide, stir evenly to obtain the outer film coating liquid; prepare the inner film, Mix 20 parts of sodium alginate, 1 part of agar, 0.5 parts of glycerin, 0.08 parts of paraffin, and 3 parts of calcium chloride at 60°C to obtain an inner membrane coating solution;
[0046]Step 2: Prepare a coated compound fertilizer with a controlled release period of 50-70 days. Combine urea (Guangxi Liuzhou Yixuan Chemical Co., Ltd., Item No. 1225-6), potassium chloride (Jiangsu Zidong Food Co., Ltd.) and stone powder (Lingshou). County Tianlong Mineral Products Processing Factory) is mixed into a raw material mixture in the form of a mass ratio of 23:58...
Example Embodiment
[0050]Example 2
[0051]Example 2 of the present invention provides a method for preparing a blended controlled-release fertilizer for flue-cured tobacco in southwest Hubei. The specific process is as follows:
[0052]Step 1: Prepare the outer film, mix 25 parts of ring-opening epoxy soybean oil and 55 parts of isocyanate, add 15 parts of pyrethroid insecticide, stir evenly to obtain the outer film coating liquid; prepare the inner film, Mix 25 parts of sodium alginate, 5 parts of agar, 1.25 parts of glycerol, 0.12 parts of paraffin, and 4 parts of calcium chloride at 60°C to obtain an inner membrane coating solution;
[0053]Step 2: Prepare a coated compound fertilizer with a controlled release period of 50-70 days. Combine urea (Guangxi Liuzhou Yixuan Chemical Co., Ltd., Item No. 1225-6), potassium chloride (Jiangsu Zidong Food Co., Ltd.) and stone powder (Lingshou). County Tianlong Mineral Products Processing Factory) is mixed into a raw material mixture in the form of a mass ratio of 27:...
Example Embodiment
[0057]Example 3
[0058]Example 3 of the present invention provides a method for preparing a blended controlled-release fertilizer for flue-cured tobacco in southwest Hubei. The specific process is as follows:
[0059]Step 1: Prepare the outer film, mix 30 parts of ring-opening epoxy soybean oil and 60 parts of isocyanate, add 20 parts of insecticide, and stir evenly to obtain the outer film coating liquid; prepare the inner film, add 30 parts of seaweed Sodium, 10 parts agar, 2 parts glycerin, 0.16 parts paraffin wax, and 5 parts calcium chloride are mixed uniformly at 60°C to obtain the inner membrane coating liquid;
[0060]Step 2: Prepare a coated compound fertilizer with a controlled release period of 50-70 days. Combine urea (Guangxi Liuzhou Yixuan Chemical Co., Ltd., Item No. 1225-6), potassium chloride (Jiangsu Zidong Food Co., Ltd.) and stone powder (Lingshou). County Tianlong Mineral Products Processing Factory) is mixed into a raw material mixture in the form of a mass ratio of 32...
PUM
Property | Measurement | Unit |
---|---|---|
Size | aaaaa | aaaaa |
Size | aaaaa | aaaaa |
Size | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap