Planting method for replanting corn

A planting method, technology of corn, applied in the direction of botany equipment and methods, horticulture, application, etc.

Inactive Publication Date: 2016-03-23
QINGDAO SEIICHI INTPROP SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the growth period of corn is one season in the north every year, and two seasons in the south. Due to the change of natural climate, there is still a certain period of time before the frost period after corn harvest. For this reason, seedlings are grown in advance, and the temperature in the greenhouse is used to reach the biological upper line of 11°C. The corn seedlings are in the greenhouse to generate effective active accumulated temperature. According to the field temperature can reach above 11°C, the corn seedlings are transplanted to the field. Reseeding around the corn roots or sowing in the middle of the corn stalks to achieve the second season after the first season of corn is fixed, there is no agricultural application of a planting method for replanting corn in agricultural corn planting. Therefore, farmland has not generated greater economic value in the production process

Method used

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Embodiment Construction

[0005] The following is a further explanation of the planting method of re-sowing corn. The greenhouse seedlings are raised around April 1 in the Gregorian calendar every year. About 130mm, about Фl00mm in drums, filled with black soil, stacked black soil thickness of about 130mm, it takes about 5 days for seedlings to emerge from the soil surface, and the seedling temperature of the cotyledons on the soil surface in the greenhouse is ≥ II ℃ to reach the biological upper line and form effectively The active accumulated temperature is transplanted into the field with soil around May 1 of the Gregorian calendar, forming branches, forming flowers, flower buds, and sizing. The growth period is 84 days, and the active accumulated temperature of the whole growth period is 1700°C. The effective accumulated temperature will be formed around 6th April, and it will be harvested from April 6th to July 1st in the Gregorian calendar. The second season corn can be sown directly in the middle...

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Abstract

The invention relates to a planting method for replanting corn. According to a technical scheme in the invention, the planting method for replanting the corn comprises the following steps: cultivating early-maturing, cold-resistant and drought-resistant corn seedlings with a growth period of about 84 days and an active accumulated temperature of 1700 DEG C in a whole growth period, then transplanting the corn seedlings in fields, and carrying out lateral-root and main-root producing, branching, grain-filling and maturing; and resowing secondary-cropping corn between first-cropping corn seedlings or in the places surrounding roots, or resowing the secondary-cropping corn before maturity of the first-cropping corn. The secondary-cropping seedlings have the advantages of high-temperature resistance, drought resistance, air-permeability resistance, early maturing, well-developed main stems, strong barren-tolerant capability, strong branchiness, rapid growth of vegetative masses, fast maturing, a growth period of about 84 days, and an active accumulated temperature of 1700 DEG C in the whole growth period. The above-mentioned planting method for replanting corn can realize three-season cropping of corn production in the south.

Description

technical field [0001] The invention relates to an agricultural planting method, in particular to a planting method for replanting corn. Background technique [0002] At present, the growth period of corn is one season in the north every year, and two seasons in the south. Due to the change of natural climate, there is still a certain period of time before the frost period after corn harvest. For this reason, seedlings are grown in advance, and the temperature in the greenhouse is used to reach the biological upper line of 11°C. The corn seedlings are in the greenhouse to generate effective active accumulated temperature. According to the field temperature can reach above 11°C, the corn seedlings are transplanted to the field. Reseeding around the corn roots or sowing in the middle of the corn stalks to achieve the second season after the first season of corn is fixed, there is no agricultural application of a planting method for replanting corn in agricultural corn planting...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 苗增春
Owner QINGDAO SEIICHI INTPROP SERVICE CO LTD
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