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Cultivation method for intercropping of corn and potatoes

A cultivation method and potato technology, applied in the cultivation of root crops, grain cultivation, etc., can solve the problems of insufficient utilization of light energy and low utilization rate of soil resources, so as to improve the utilization rate of natural resources, increase the amount of light interception, and enrich soil carbon source effect

Inactive Publication Date: 2018-05-04
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention aims to solve the problems of insufficient utilization of light energy and low utilization rate of soil resources in the existing method for intercropping corn and potatoes, and provides a cultivation method for intercropping corn and potatoes

Method used

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  • Cultivation method for intercropping of corn and potatoes

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specific Embodiment approach 1

[0037] Specific embodiment one: the cultivation method of present embodiment corn and potato intercropping, comprises the following steps:

[0038] 1. Soil preparation: After autumn harvest, plow and prepare the land with a plowing depth of 20-30cm, break the plow bottom layer, and store water and moisture in winter;

[0039] 2. Seed selection and treatment: Select high-quality, high-yield, safe and mature, stress-resistant and dense-resistant corn varieties. 15 days before sowing, dry the seeds for 2 to 3 days, and conduct 1-2 germination tests 10 days before sowing. Choose corn seeds with a germination rate above 90%, coat them with corn seed coating agent before sowing or directly select coated seeds, choose suitable growth period, strong disease resistance, good high yield, few branches, and short stolons Potato varieties with concentrated tuber formation;

[0040] 3. Field configuration: Corn planting ridge spacing is 2 meters and 1 planting strip, each planting strip is c...

specific Embodiment approach 2

[0052] Embodiment 2: This embodiment differs from Embodiment 1 in that: the corn variety described in Step 2 is Liangyu 99 or Limin 33. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0053] Embodiment 3: This embodiment is different from Embodiment 1 or 2 in that: the potato variety described in step 2 is Holland No. 7, Dongnong 303 or Kexin No. 4. Others are the same as in the first or second embodiment.

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Abstract

The invention discloses a cultivation method for intercropping of corn and potatoes, and relates to a cultivation method for intercropping of corn and potatoes. The problem that an existing method forintercropping of corn and potatoes cannot sufficiently utilize optical energy and is low in soil resource utilization rate is solved. The method comprises the steps of 1 soil preparation, 2 seed selection and processing, 3 field arrangement, 4 proper sowing and rational close planting, 5 scientific fertilization, 6 precision management and 7 proper harvesting. Compared with monoculture of corn, the soil organic content is increased by 8.5%, and the soil total nitrogen content is increased by 6.4%; the bacterial community number in surface soil microflora is increased by 15.4%, and the mycorrhiza fungi community is increased by 32.6%. The potato yield is 8,700 kg / hm<2>, the corn yield is 11,395 kg / hm<2>, and the corn and potato total income is increased by 4,590 yuan / hm<2>. The method is applicable to the field of corn and potato planting.

Description

technical field [0001] The invention relates to a corn and potato cultivation method. Background technique [0002] Potato (Solanum tuberosum L.), Solanaceae, Solanum, annual herbaceous plant, also known as ground egg, potato, potato, etc., has high yield, early maturity, wide range of uses, stable yield, strong adaptability, wide distribution, rich nutrition, etc. advantage. China is the largest potato producer, with planting area accounting for 29% of the world's total planting area and total output accounting for 25% of the world's total output. It is the fourth largest food crop after corn, rice, and wheat. Potatoes are grown in a wide range of areas in my country, with Southwest, Northwest, Inner Mongolia and Northeast regions as the main producing areas. In 2015, the state proposed the development strategy of potato as a staple food. Potato, as an important economic crop and food security crop, has broad development space in our country. There are many ways to culti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/20A01G22/25
Inventor 王洋齐晓宁宋凤斌刘胜群
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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