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Method of raising rice seedlings

A technology of rice seedling raising and seedling raising substrate, which is applied in the field of rice seedling raising, can solve the problems that do not involve rice seed soaking, germination, and seedling hardening, and achieve the effects of reducing seedling raising costs, advancing the growth process, and growing robustly

Inactive Publication Date: 2019-10-01
济南市农业科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this invention does not relate to the problems of rice seed soaking, germination and seedling hardening, etc.

Method used

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  • Method of raising rice seedlings
  • Method of raising rice seedlings
  • Method of raising rice seedlings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] 1) Matrix formula

[0033] The matrix raw materials (peat, soil, perlite, vermiculite, organic fertilizer, cow dung) required for the test were purchased from the market, and the appropriate soil was selected from the paddy field, and after drying, it was crushed on the cement road with a tractor. And sieve, sieve hole 6-8mm. The raw materials are evenly mixed according to the volume percentage to prepare the seedling raising substrate.

[0034] Substrate ratio, peat: soil: perlite: vermiculite: organic fertilizer: auxiliary materials = 6:1:1:1:0.5:0.5

[0035] Preparation method of auxiliary materials: 0.5 cubic meters of decomposed biogas residue, 2500g of ferrous sulfate, 500g of silicon fertilizer, 160g of pure nitrogen (ammonium sulfate), 70g of phosphorus pentoxide (calcium superphosphate), 140g of potassium oxide (potassium sulfate) according to the required weight well mixed. When the decomposed biogas residue is air-dried to about 60% water content, a microb...

Embodiment 2

[0050] 1) Matrix formula

[0051] Substrate ratio, peat: perlite: vermiculite: organic fertilizer: auxiliary material = 7:1:1:0.5:0.5, others are the same as in Example 1.

[0052] 2) germination in darkroom, same as embodiment 1.

[0053] 3) The regulation and control of the temperature, humidity control index and moisture content of greenhouse seedling hardening, with embodiment 1.

[0054] 4) High-quality formula matrix display comparison test, under the same conditions as the general matrix purchased in the market, the rice seedlings bred by this formula grow robustly, and the seedling time is short. After transplanting into the field, the growth of rice is correspondingly advanced The process prolongs the filling time of rice grains, unified machine transplanting, unified field management, and unified harvesting and yield measurement. The test results show that the rice yield is 550 kg, and the thousand-grain weight is 25.34 grams. This formula increases the yield by 4.8...

Embodiment 3

[0056] 1) Matrix formula

[0057] The general substrate purchased from the market is used as a contrast, and the others are the same as in Example 1.

[0058] 2) germination in darkroom, same as embodiment 1.

[0059] 3) The regulation and control of the temperature, humidity control index and moisture content of greenhouse seedling hardening, with embodiment 1.

[0060] 4) High-quality formula matrix display comparison test, under the same conditions as the general matrix purchased in the market, the rice seedlings bred by this formula grow robustly, and the seedling time is short. After transplanting into the field, the growth of rice is correspondingly advanced The process has extended the filling time of rice grains, unified machine transplanting, unified field management, and unified harvesting and yield measurement. The test results show that the rice yield per mu is 525 kilograms, and the thousand-grain weight is 25.13 grams.

[0061] Table 3 Comparative test rice yie...

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Abstract

The invention discloses a method of raising rice seedlings and a raising substrate. A substrate ratio suitable for raising rice seedlings is studied, reasonable nutritional structure of the raising substrate is explored, robust growth of seedlings in the raising substrate is promoted, it is ensured that the seedlings grow uniformly and vigorously after transplanting, and restoration to growth is fast; in addition, research in the intelligent raising process of rice seedlings is carried out on the issues, such as temperature, humidity and moisture control, of a greenhouse seedling growth and exercising stage after seedling trays are subjected to germination acceleration in a dark room and ar moved out of the dark room. The raising substrate provided herein has a reasonable formula; seedlings raised with the raising substrate and the related method are robust and uniform, seedling reviving time is short; after the seedlings are transplanted to a field, the growing process of rice is advanced correspondingly, rice yield is increased, and production cost is reduced.

Description

technical field [0001] The invention relates to a rice seedling raising method and relates to the field of crop planting. Background technique [0002] The rice seedling raising matrix that is used to cultivate the seedlings suitable for mechanized rice transplanting in the market is relatively scarce, and the price is high. Although technologies such as floppy disk seedling raising and double-film seedling raising matched with mechanical transplanting have appeared in production at present, the seedling raising substrate is still based on nutrient soil. Although the cost of raising seedlings with nutrient soil is low, a large amount of soil needs to be taken from the field as nutrient soil when raising seedlings, which will take away a large amount of mellow soil layer soil. If the soil extraction operation is carried out for many years, the mellow soil layer in the soil It will become thinner and thinner, and a large amount of labor is required in the process of soil prep...

Claims

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Application Information

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IPC IPC(8): A01G22/22A01C1/00A01G24/28A01G24/00A01G24/15A01G24/20
CPCA01C1/00A01G22/22A01G24/00A01G24/15A01G24/20A01G24/28
Inventor 张甲生门洪文徐佳宁郭守鹏朱宝刚许增海
Owner 济南市农业科学研究院
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