Extra-large ridge double-row three-seedling close-planting cultivation method for corns

A cultivation method and corn technology, applied in botany equipment and methods, horticulture, application, etc., to achieve the effects of convenient access, increased yield per unit area, and increased farmers' income

Active Publication Date: 2014-04-02
宫力臣
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AI Technical Summary

Problems solved by technology

At present, my country's agricultural production lacks a systematic and effective planting model for increasing corn production and income

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A. Variety selection: Choose excellent hybrid corn varieties that are resistant to dense planting, dwarf stalks, lodging, and pests. bald;

[0044] B. Planting method: Planting in wide and narrow rows, the wide row spacing is 120 cm, 130 cm, 140 cm, 150 cm, the narrow row spacing is 40-50 cm, the hole spacing is 35 cm, 40 cm, 3 plants per hole, mu 5700-6700 seedlings remain;

[0045] C. Field management:

[0046] Fertilization: Since there are about 2,000 more seedlings than ordinary planting, the base fertilizer is added on the basis of the existing fertilization. The existing base fertilizer is 40 kg / mu of potassium sulfate compound fertilizer, and 10 kg / mu of diamine phosphate is added as the base fertilizer, and biological bacteria are simultaneously applied. Fertilizer 1 kg / mu is used to activate the soil, decompose phosphorus and potassium. When making seed fertilizer, the distance between the fertilizer and the seeds, front and back, and left and right is 8 cm ...

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Abstract

The invention discloses an extra-large ridge double-row three-seedling close-planting cultivation method for corns. The extra-large ridge double-row three-seedling close-planting cultivation method comprises the following steps of: selecting close planting resistant, short, lodging-resistant, disease-and-insect-pest-resistant excellent hybrid maize varieties, planting the maize varieties in wide and narrow rows, wherein the wide-row spacing is 100 centimeters to 150 centimeters, the narrow-row spacing is 40 centimeters to 50 centimeters, 3 seedlings are planted in each hole, and 5700-6700 seedlings are reserved every mu; additionally applying base fertilizer, spraying herbicide after seeding, spraying plant growth regulator, cultivating and hilling up before sealing the ridge, watering twice and harvesting later appropriately. The extra-large ridge double-row three-seedling close-planting cultivation method for corns can sufficiently utilize the border-row advantages, can ventilate and transmit light more sufficiently, is not only convenient for field management, but also can be applicable to film-laminated planting and drop irrigation, so that the per unit area yield of the corns can be greatly improved. According to a multipoint 155-mu large-area experiment, the average mu yield is increased by 244 kilograms.

Description

technical field [0001] The invention relates to a high-yield cultivation method for corn, in particular to a cultivation method for increasing the yield of corn with large row spacing. Background technique [0002] my country is a populous country, and corn is one of the three major food crops. Corn production occupies a very important position in my country's agricultural production and national economy. The development of corn production has great practical significance for increasing farmers' income, ensuring national food security and even economic security. Although the total annual production of corn in my country has developed rapidly, the total annual production of corn is insufficient, and there is still a large gap with the market demand of my country's corn, and a large amount of imports is required every year. Affected by the lack of per capita agricultural land resources in my country and the adjustment of agricultural planting structure, it is difficult to ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
Inventor 宫力臣
Owner 宫力臣
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