Three-laminated composite board type full-nutritional rice seedling breeding bedding and preparation method thereof

A technology of rice seedling raising and full nutrition, which is applied in the direction of botany equipment and methods, culture medium, planting substrate, etc., can solve the problems of poor water retention, unsuitable for transportation and handling, and low strength of the seedling raising substrate, so that it is not easy to break and damage, Workers' health is not affected, the effect of high intensity

Inactive Publication Date: 2017-03-29
刘越
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the problems of poor water retention, poor fertilizer efficiency and low strength in the later stage of seedling raising, and is not suitable for transportation and handling in the existing seedling raising substrate, and provides a three-layer composite board type full-nutrition rice seedling raising substrate and its preparation method

Method used

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  • Three-laminated composite board type full-nutritional rice seedling breeding bedding and preparation method thereof
  • Three-laminated composite board type full-nutritional rice seedling breeding bedding and preparation method thereof
  • Three-laminated composite board type full-nutritional rice seedling breeding bedding and preparation method thereof

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specific Embodiment approach 1

[0027] Specific embodiment 1: In this embodiment, the three-layer composite board type full-nutrition rice seedling raising matrix is ​​divided into three layers from top to bottom, the middle is the core layer, and the two sides of the core layer are surface layers; the surface layer is composed of straw, water retaining agent and solid organic biomass adhesive. Composition, the mass ratio of straw, water-retaining agent and solid organic biomass adhesive in the surface layer is (90-98): (1-5): (1-5); the core layer is composed of straw, seedling nutrient, water-retaining agent and solid organic biomass adhesive Composed of biomass adhesive, the mass ratio of straw, seedling raising nutrient, water retention agent and solid organic biomass adhesive in the core layer is (40-88):(10-50):(1-5):(1-5).

[0028] After the grain is harvested, the discarded straw is made into a matrix according to the method of the invention, which is just used for raising seedlings, conforms to the t...

specific Embodiment approach 2

[0029] Embodiment 2: The difference between this embodiment and Embodiment 1 is: the thickness of the two surface layers each accounts for 10% to 30% of the total thickness of the entire matrix, and the thickness of the core layer accounts for 40% to 80% of the total thickness of the entire matrix. %. Other steps and parameters are the same as those in Embodiment 1.

specific Embodiment approach 3

[0030] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the straw is selected from corn straw, soybean straw, cotton straw, rice straw, sorghum straw and wheat straw. Other steps and parameters are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses three-laminated composite board type full-nutritional rice seedling breeding bedding and a preparation method thereof and relates to rice seedling breeding bedding and a preparation method thereof. The problems that existing seedling breeding bedding is poor in water-retaining property, fertilizer efficiency in the later period of seedling breeding is poor, strength is low, and the existing seedling breeding bedding is not suitable for being transported and carried are solved. The seedling breeding bedding is divided into three layers from top to bottom, the middle layer is a core layer, and the surface layers are located on the two sides of the core layer. The preparation method comprises the following steps that (1), straw is cut into sections; (2), steaming and softening are conducted; (3), the straw is ground and kneaded to be in a fiber shape and is dried; (4), mixing is conducted; (5), paving is conducted; and (6), hot-pressing is conducted. According to the three-laminated composite board type full-nutritional rice seedling breeding bedding (as shown in figure 1) produced through the preparation method, when no water is absorbed by the three-laminated composite board type full-nutritional rice seedling breeding bedding, the static bending intensity is 21-22.8 MPa, and the internal bonding strength is 0.35-0.40 MPa; and the three-laminated composite board type full-nutritional rice seedling breeding bedding is high in strength, not prone to breakage or damage and easy to cut and can be manufactured to be in different shapes.

Description

technical field [0001] The invention relates to a rice seedling raising substrate and a preparation method thereof. Background technique [0002] In my country, rice is the main crop for grain production, and Heilongjiang Province is the main rice producing area in the three northeastern provinces, which occupies a pivotal position in national production. The three provinces of Heilongjiang, Jilin, and Liaoning have more than 81 million mu of rice planting area, of which the rice planting area of ​​Heilongjiang Province is about 60 million mu. It is an important commodity grain production base in my country. The dry seedling sparse planting technique of rice seedling raising (transplanting after seedling raising in greenhouses) is the key to high-quality and high-yield rice, but dry seedling seedlings need loose, fertile, well-permeable, and nutrient-rich humus as bed soil. With the extension of rice planting years, a large number of high-quality cultivated land soil layers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G5/00A01G9/10
CPCA01G24/00C05C11/00C05G3/00C05D9/02C05F11/00C05F11/02C05F11/08C05G1/00
Inventor 刘越刘英
Owner 刘越
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