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Crop rotation method for dry land purple crops

A purple plant and purple technology, applied in the field of crop cultivation, can solve the problems of low economic value, laborious labor, low output value and net income, and achieve the effect of improving utilization efficiency

Inactive Publication Date: 2015-01-07
INST OF SOIL FERTILIZER SICHUAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to solve the problems of low economic value of crop varieties, labor-intensive, continuous cropping and annual yield, output value and low net income in the traditional "wheat / corn / sweet potato" model of the dry land in the hilly area of ​​Sichuan. According to the ecological conditions and existing planting techniques of the dry land in Sichuan, a two-year four-cropping crop rotation model of "purple sweet potato-winter purple potato-purple corn-autumn purple potato" and its standardized planting technology were invented in order to improve the annual growth rate of the dry land in the hilly areas of Sichuan. Provide technical support for grain production and quality, increasing land output value per unit area and net income

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0036] stubble connection

[0037] The first season: purple sweet potato, seedlings are raised in mid-March of the first year, transplanted at the end of May, and harvested from mid-October to early November;

[0038] The second season: winter purple potatoes, sown in early December of the first year and harvested in mid-April of the second year;

[0039] The third season: purple corn, sow in mid-April of the second year and harvest in early August of the second year;

[0040] The fourth season: autumn purple potatoes, sown in late August of the second year and harvested in late December of the second year.

[0041] (1) Planting method of purple sweet potato

[0042] 1. Land selection: Select land with high terrain, moderate soil fertility, and good drainage and irrigation conditions.

[0043] 2. Variety selection: Select high-quality, stress-resistant, high-yielding purple sweet potato varieties that have been identified by the provincial or national sweet potato identificat...

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Abstract

The invention belongs to the technical field of crop cultivation and particularly relates to a dry land sweet potato, winter purple potato, purple corn and autumn potato two-year four-harvesting crop rotation mode and an efficient planting method thereof. According to the crop rotation method for dry land purple crops, the average yield per mu of purple potatoes is 1740.44kg, the average harvested yield per mu of 5-mu demonstrative winter purple potatoes is 1306kg, the average harvested yield per mu of 10-mu demonstrative purple corn is 376kg, the average harvested yield per mu of 5-mu demonstrative autumn potatoes is 912kg, and the soil utilization efficiency is improved due to reasonable variety selection and crop rotation matching.

Description

technical field [0001] The invention belongs to the technical field of crop cultivation, and in particular relates to a dryland purple sweet potato-winter purple potato-purple corn-autumn purple potato two-year four-ripening crop rotation pattern and a high-efficiency planting method thereof. Background technique [0002] Sichuan Province is the largest producing province of sweet potatoes and potatoes in China, and it is also one of the main producing areas of corn. Potatoes, sweet potatoes, and corn are the main food crops in the hilly areas of Sichuan Province. The ecological conditions in Sichuan are suitable for multi-ripe potato planting, and an industrial chain development pattern of multi-ripe production and annual supply of potatoes in spring, autumn and winter has been formed. [0003] The purple crop industry is a sunrise industry that has emerged in recent years. Because purple crops are rich in selenium and anthocyanins, and anthocyanins have many health care f...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 沈学善屈会娟黄钢王宏陈尚洪陈红琳刘定辉王昌桃
Owner INST OF SOIL FERTILIZER SICHUAN ACAD OF AGRI SCI
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