Rice seedling method on rice husks as substrate by dry soilless cultivation

A dry-dried seedling and rice husk technology, applied in the field of rice seedling cultivation, can solve the problems of ecological destruction and environmental pollution, difficulty in taking soil, pesticide residues, etc.

Inactive Publication Date: 2005-02-23
白桂俊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method for raising seedlings of the present invention solves the problems of destroying ecology and environmental pollution in raising seedlings with soil, solves the problem of difficulty in taking soil for conventional dry seedling raising, solves the problem of mechanical watering, and solves the problem that herbicides for seedbeds exist in seedlings For the problem of pesticide residues, since no chemical agents are used to kill weeds in the seedbed during the seedling raising process, the process is saved, time and cost are saved, and work efficie

Method used

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Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0004] Specific Embodiment 1: The operation steps of this embodiment are: a. crush the rice husk to below 3.5 mm; b. 12-24 hours before sowing, soak the rice husk in water until 3-5 hours before sowing. Take out the rice husk and filter water; c. When sowing, mix the rice husk and nutrient evenly, spread it on a flat and compacted seedbed with a thickness of 2-2.5 cm, and then water it to the bottom of the bed 5-8 cm soil The water content of the layer reaches a saturated state; d. Then sow according to the conventional method, covered with crushed rice husks that are not mixed with nutrients, and the thickness of the rice husk covering is 0.3-0.5 cm; e. From rice sowing to the stage of one leaf and one heart, keep the bottom of the bed ~8 cm soil water reaches saturation; g. At the 1.5 leaf stage and 2.5 leaf stage, apply 50g of ammonium sulfate per square meter;

[0005] The nutritional agent in the c step mentioned above is composed of the following components by weight: ni...

specific Embodiment approach 2

[0007] Embodiment 2: This embodiment differs from Embodiment 1 in that the amount of nutrients used is, by weight ratio: nitrogen 2.1, phosphorus 1.02, potassium 1.01, fluorspar powder 5.1, fungicide 0.0112, anti-cold agent 0.11.

specific Embodiment approach 3

[0008] Embodiment 3: The difference between this embodiment and the previous embodiment is that the amount of nutrients used is, by weight ratio: nitrogen 2.3, phosphorus 1.1, potassium 1.05, fluorspar powder 5.3, fungicide 0.0115, anti-cold agent 0.114.

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PUM

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Abstract

A soilless culture method with rice husk as matrix for rice seedlings includes such steps as breaking rice husk, immersing in water, stirring, spreading, applying water, covering by film, holding water content, and applying fertilizer. Its advantages are high yield and high quality of rice.

Description

Technical field: [0001] The invention relates to a rice seedling raising method. Background technique: [0002] The existing soil seedling raising method has the problems of low labor efficiency and high production cost. It is found through literature search that the existing seedling raising method involving rice has "rice husk soilless seedling raising technology" ("Modern Agriculture", No. 08, 2002 , Authors: Liu Yankun, Zhang Guojun, Zhang Susheng, Wang Jian), which involves "Using biotechnology to ferment rice husks to produce decomposed organic fertilizers, by matching with crushed rice husks of different particle sizes, artificially simulating soil using rice husks for soilless seedling cultivation technology”, which has the disadvantages of complicated procedures and high cost; another “research on rice seedling cultivation technology without soil substrate” ("Reclamation and Rice Planting" 2001 (5)-14-15, authors Zhang Weiquan, Yang Aidong, etc.), It involves "usin...

Claims

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Application Information

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IPC IPC(8): A01G7/00A01G31/00
CPCY02P60/21
Inventor 白桂俊臧林
Owner 白桂俊
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