Ridge direction changing and ridge distance enlarging method for cultivating corn

A technology of ridge spacing and small ridges, which is applied in the fields of soil preparation methods, agricultural machinery and implements, applications, etc., can solve problems affecting distribution and irradiation time, so as to improve photosynthesis rate, prolong photosynthesis time, and improve light energy utilization rate effect

Inactive Publication Date: 2006-02-22
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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AI Technical Summary

Problems solved by technology

Due to the narrow distance between the traditional ridges, the shadows of the corn cover each other, so that the light cannot reach each leaf of the corn, and the direction of the ridges is inconsistent with the direction of the sunlight, which affects the distribution and irradiation time of light on the corn plants.

Method used

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  • Ridge direction changing and ridge distance enlarging method for cultivating corn
  • Ridge direction changing and ridge distance enlarging method for cultivating corn
  • Ridge direction changing and ridge distance enlarging method for cultivating corn

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Embodiment Construction

[0011] After the autumn harvest, the ground is raked with machinery for sowing in the spring of the following year. Before sowing, use a compass to orient the sowing ridge to 15-20 degrees south-south west, such as figure 1 shown. The distance between the ridges is set to 1.7 meters for the large ridge and 0.3 meters for the small ridge to form a combination of 2 meters and 2 rows, such as figure 2 shown. After the ridge distance is set, ordinary seeders can be used for sowing without special machinery. According to the characteristics of corn varieties, such as the growth characteristics of dense-tolerant, semi-dense-resistant, and flat-type corn, determine the number of plants per hectare. 14 cm, 13 cm, 11 cm, 60,000, 70,000, and 80,000 to 90,000 seedlings per hectare, to ensure that all seedlings emerge at one time, and under reasonable field management, the yield of more than 25,000 jin can be obtained.

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Abstract

The invention relates to the cropping system and cultivating mode belonging to the agricultural field and is a cultivating method for changing the ridge direction and widening the ridge distance, comprising: changing the ridge direction to south- southwest 15-20 deg to make the ridge direction coincidence with the direction of sunlight radiation in summer in northern areas, designing the large ridge distance to be 1.6-1.7 m, the small ridge distance to be 0.3-0.4m in accordance with the maximum projected length of corn in northern areas, the large ridge and small ridge forms the combined ridge of two rows with the width being 2 m. The direct irradiating time for the whole plant is 3.5 hours every day and the time for the upper part of the plant is more than 6 hours.

Description

technical field [0001] The invention belongs to the farming system and cultivation method in the field of agriculture, and relates to a farming method for efficiently utilizing solar energy by changing the direction of the ridges and expanding the distance between the ridges, in particular to a farming method for changing the direction of the ridges and expanding the distance between the ridges. Background technique [0002] At present, the ridge direction of sowing corn is highly random, and the direction is not determined. The ridge distance of sowing corn has not changed for a long time, and the ridge distance of 65 cm is still used. This cultivation method does not make maximum use of the light energy from the sun. Studies have shown that the light energy utilization rate of this traditional farming method is only about 1.4%-1.5%, and the average yield of corn in China is only about 1 / 5 of the production output under light and temperature conditions, so it can be seen tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/00
Inventor 刘景双齐晓宁王洋宋风斌
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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