Seedling raising bed and seedling raising method for electric lighting greenhouse of sweet potatoes

A seedling bed and electric heating technology, applied in the field of seedling raising, can solve the problems of inability to effectively improve the yield and quality of seedlings, high dependence on natural weather and environment, and high requirements for operators' abilities, and achieves the advantages of neat seedling emergence, easy management and cost reduction. Effect

Inactive Publication Date: 2012-08-01
BEIJING AGRI TECH PROMOTION STATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Improve the seedling raising technology of Huilong fire pit seedling and brewing hotbed covered with plastic film seedling. The method of controlling the temperature of the seedbed is more traditional, the temperature is not easy to control, and the ability of the operator is higher, and the operation is more time-consuming and laborious; while the cold bed Covering plastic film seedling raising technology, only by increasing the temperature of plastic film to advance the seedling period, it is highly dependent on the natural weather environment, and can not effectively improve the yield and quality of seedlings

Method used

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  • Seedling raising bed and seedling raising method for electric lighting greenhouse of sweet potatoes
  • Seedling raising bed and seedling raising method for electric lighting greenhouse of sweet potatoes

Examples

Experimental program
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Effect test

Embodiment 1

[0025] figure 1 Shows the schematic cross-sectional view of the sweet potato electric heating greenhouse seedling bed of the present embodiment, with reference to the illustration, it includes the grooved furrow 1 repaired in the greenhouse, and the electric heater laid in the grooved furrow 1 successively from bottom to top Layer 2, sand isolation layer 3, seed potato layer 4 and sand covering layer 5, the electric heating layer 2 is connected to an external power supply, and the external power supply supplies power to the electric heating layer 2 to increase the temperature of the seedbed.

[0026] Wherein, the electric heating layer 2 is laid on the bottom surface of the groove furrow 1 by an electric heating wire in a Z shape, and the two ends of the electric heating wire are exposed outside the groove furrow 1, and the two ends are respectively connected to the outer A power supply and a thermostat, the thermostat is used to control the heating temperature of the electric...

Embodiment 2

[0030] This embodiment provides a seedling raising method based on the greenhouse seedling bed of Embodiment 1, and its specific seedling raising process is as follows.

[0031] First of all, the treatment of seed potatoes after they come out of the cellar: according to the planning requirements of the sweet potato planting period, push forward about 40 days, the seed potatoes are selected in sunny, warm and windless weather, and they are released from the cellar at one time. Slightly dry in a warm and sunny place to remove moisture, and grade and select according to the bed requirements. The high-quality seed potatoes should be straight and smooth in appearance, and the weight of a single piece is 150-250g. Put the selected potato cubes into 0.2% carbendazim or thiophanate-methyl solution for 20-25 minutes for disinfection, remove internal infected nematodes, and remove the potato cubes floating in the water. The soaked potato pieces are taken out, dried, and then transported...

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Abstract

The invention discloses a seedling raising bed for an electric lighting greenhouse of sweet potatoes. The seedling raising bed comprises a groove ridge built in the greenhouse, and an electric heating layer, a sandy soil isolating layer, a potato seed layer and a sandy soil covering layer that are sequentially laid in the groove ridge from the bottom up; and the electric heating layer is connected with an external power supply. The invention further discloses a seedling raising method for the electric lighting greenhouse of the sweet potatoes. The seedling bed is uniform in temperature; potato seedlings are healthy; controlling of the black rot of the sweet potatoes and raising of healthy and sound seedlings are import links for yield increase in the production; after the electric heating layer is powered on, the temperature of the whole bed is uniform, the temperature difference is very small, the black rot is controlled under the high temperature of 35 DEG C, the raised seedlings are healthy and sound, and the emerged seedlings are tidy and large in quantity; the temperature rise is reliable; the management is convenient; in the seedling bed with the electric heating layer, the temperature can be decreased by 1-2 DEG C per hour under good heat preservation conditions, and the temperature rise is faster compared with a heated brick bed; a temperature controller is adopted to automatically control the bed temperature, thereby being convenient, reliable, power-saving and labor-saving; and the cost is lowered.

Description

technical field [0001] The invention relates to seedling raising technology, in particular to a sweet potato electric heating greenhouse seedling bed and seedling raising method. Background technique [0002] Sweet potato seedling raising is the primary link in sweet potato production, and root seedling raising is generally used for asexual reproduction. The existing seedling raising methods include: raising seedlings in improved Huilong fire pit, raising seedlings in hotbeds covered with plastic films, seedlings raised in cold beds covered with plastic films, etc. Improve the seedling raising technology of Huilong fire pit seedling and brewing hotbed covered with plastic film seedling. The method of controlling the temperature of the seedbed is more traditional, the temperature is not easy to control, and the ability of the operator is higher, and the operation is more time-consuming and laborious; while the cold bed Covering plastic film seedling raising technology, only ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G9/20A01G1/00
Inventor 李仁崑闫加启
Owner BEIJING AGRI TECH PROMOTION STATION
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