Machine-transplanted rice tray-free and soilless seedling raising method with rock wool as matrix

A technology of soilless seedling raising and machine-planting rice, which is applied in the directions of planting substrate, soilless culture, rice cultivation, etc. The effect of short period, early tillering, good water permeability and air permeability

Active Publication Date: 2021-11-05
HUNAN LONGPING SEED IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, floppy disks and hard disks with soil or matrix as the carrier have difficulties in taking soil and crushing soil, or the cost of substrate production and transportation is high, and special seedling trays, seedling trays, and seedling trays are required, and soil and substrate must be cleaned. Disinfection and other issues, especially dry seedlings are more prone to blight, rice blast and other diseases than wet seedlings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: In 2021, Yong'an Town, Liuyang City adopts the machine-transplanted hybrid rice seedling raising method without disk and soil of the present invention to raise seedlings, and the variety is Pingliang Yousi Miao. On May 20th, lay woven bag cloth, non-woven fabrics, and agricultural rock wool in sequence on the seedling bed of the fixed seedling site, lay out printed sowing paper, and cover the special seedling substrate, watering and soaking substrate, and seeds on the sowing paper. , covered with non-woven fabric. Seeds emerged on May 24, sprayed 300mg / kg paclobutrazol solution on the day of emergence, uncovered the non-woven fabric covering the seedbed on June 2, watered the seedbed after uncovering, and kept the seedbed moist until the transplanting period. The seedlings were transplanted on June 20 using a Jinggangguan rice transplanter with water at a density of 25cm×17cm. The seedling age was 5.3 leaves at the time of transplanting, and they turned gr...

Embodiment 2

[0024] Example 2: In 2021, Xiayukou Town, Anxiang County adopts the method of machine-transplanted hybrid rice seedling raising without disk and soil of the present invention, and the variety Guanliangyouhuazhan is used. On May 10th, level the paddy field and divide the ditch. On May 16th, when the seedling bed is hardened, lay woven bag cloth, non-woven fabric, and agricultural rock wool in sequence, lay out printed seeding paper, and cover the special seedling paper on the seeding paper. The seedling raising substrate, the watering drenched substrate and the seeds are covered with non-woven fabric, and the special seedling raising substrate, the watering drenched substrate and the seeds are covered on the sowing paper. Seeds emerged on May 20, sprayed 300mg / kg paclobutrazol solution on the day of emergence, uncovered the non-woven fabric covering the seedbed on May 30, watered the seedbed after uncovering, and kept the seedbed moist until the transplanting period. The seedli...

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PUM

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Abstract

The invention relates to a machine-transplanted rice tray-free and soilless seedling raising method with rock wool as a matrix. The method comprises the steps of seedling bed preparation, seedling bed fertilization, seedling raising matrix preparation, seed treatment, precise sowing, film mulching and watering, seedling bed management and the like. About 15 kg of compound fertilizer is broadcast per 500 m<2> of bottom soil fertilizer, a water-soluble medium trace element fertilizer can be applied at he same time, the fertilizer is mixed with water to be sprayed or irrigate seedlings, performing continuous spraying for 8 days from a 2-3 leaf stage, and 160 kg of a nutrient solution is sprayed per 500 m <2> of a seedling bed every day. The method has the characteristics of simplicity and convenience in seedling raising operation, accuracy and uniformity in seeding, high seed emergence rate and seedling rate, low seedling raising cost, immunity of seedlings to seedling damping off and rice blast, good seedling quality, capability of mechanically transplanting large seedlings and the like.

Description

technical field [0001] The invention relates to a diskless and soilless seedling raising method for machine-transplanted rice using rock wool as a substrate, in particular to a diskless and soilless seedling raising method for hybrid rice. Background technique [0002] Seedling raising is an important part of rice production, especially hybrid rice has strong tillering ability, so it is necessary to adopt sparse sowing to cultivate strong seedlings with tillers. Rice seedling raising methods are varied, the seedling raising methods adopted are different, and the types of seedlings are also different. According to the different ages of the seedlings transplanted, the seedlings can be divided into small seedlings, medium seedlings, and large seedlings; and according to the different seedling raising methods, the seedlings can be divided into water seedlings, wet seedlings, and dry seedlings. For machine-transplanted rice or hybrid rice, dual-mode discless mud seedling raising...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00A01G24/15A01G24/20A01C1/00A01C1/06A01G22/22A01N51/00A01N47/38A01N43/653A01N59/16A01N59/14A01P7/04A01P3/00A01P21/00
CPCA01G31/00A01G24/15A01G24/20A01C1/00A01C1/06A01G22/22A01N51/00A01N47/38A01N43/653A01N59/16A01N59/14Y02P60/21
Inventor 肖燃程家乐宋建东邹应斌黄敏
Owner HUNAN LONGPING SEED IND
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