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A planting management method for controlling weeds in corn-potato intercropping system

A management method, potato technology, applied in the field of crop cultivation, to achieve the effect of reducing competition, maintaining stability, and good stability

Inactive Publication Date: 2021-03-12
YUNNAN AGRICULTURAL UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a lack of relevant technologies on how to effectively control weeds in farmland by adjusting the location of fertilization, especially in intercropping patterns

Method used

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  • A planting management method for controlling weeds in corn-potato intercropping system
  • A planting management method for controlling weeds in corn-potato intercropping system
  • A planting management method for controlling weeds in corn-potato intercropping system

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] (1) Embodiment 1: row fertilization between species, no weeding;

Embodiment 2

[0032] (2) embodiment 2: row fertilization, weeding among species;

[0033] (3) Control group 1: uniform fertilization, no weeding;

[0034] (4) Control group 2: uniform fertilization and weeding;

[0035] (5) Control group 3: fertilization within species, no weeding;

[0036] (6) Control group 4: Fertilization and weeding were carried out within the species.

[0037] Before sowing, the seed potatoes were first selected indoors, and healthy seed potatoes with regular shape, smooth skin, bright color, many bud eyes, and moderate size were selected. After selection, they were sown on March 25, 2017. Similarly, maize was sown on April 18, 2017 with large, plump and intact seeds. During sowing, the row spacing of corn and potato within and between species is 50cm, and the spacing between plants is 30cm. The sowing is all carried out by ditching (east-west direction). The potato sowing depth is 10-12cm, and the corn sowing depth is 4-5cm. During the implementation period, prope...

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Abstract

The invention relates to a planting management method for controlling weeds in a maize-potato intercropping system, which belongs to the technical field of crop cultivation. In view of maize-potato intercropping which has a wide range of popularization and application in mountainous areas, by utilizing the interaction effects of a fertilization position and weeding in the intercropping system in the process of affecting the crop growth, through changing the fertilization position, that is, through carrying out intercrop row fertilization, the growth and the yield of potatoes are not affected,weed growth and competition with maize can be significantly reduced, the maize yield stability is maintained, the fertilizer utilization is improved, and the method disclosed in the invention is a maize green production technology worth popularizing and applying.

Description

technical field [0001] The invention belongs to the technical field of crop cultivation, and in particular relates to a planting management method for controlling weeds in a corn-potato intercropping system. Background technique [0002] Precision fertilization is an effective measure and one of the main development trends to improve fertilizer use efficiency. At the individual plant level, precise fertilization can be reflected in three aspects. First, the nutrient supply time matches the crop nutrient demand, that is, fertilizer planning; second, the nutrient distribution ratio and fertilizer amount are consistent with the crop demand, that is, balanced fertilization; third, spatially The correct application location can effectively reduce fertilizer loss and facilitate crop absorption. This precision fertilization method has received relatively little attention. At present, many studies have shown that deep fertilizer application or root zone fertilization can significa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/20A01G22/25A01C21/00
CPCA01C21/00A01G22/20A01G22/25
Inventor 吴开贤龚力波张晓云王超李永贤李健
Owner YUNNAN AGRICULTURAL UNIVERSITY