Method for interplanting soybean with corn

A planting method and soybean technology, which is applied in the field of crop cultivation, can solve the problems of affecting soybean yield, farmers' low enthusiasm for planting, soybeans are easy to lodging solar energy, etc., and achieve the effect of improving land use efficiency, improving quality, and increasing income

Active Publication Date: 2017-06-23
广西壮族自治区农业科学院经济作物研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, intercropping corn and soybeans are mainly planted at the same time. Under this mode, the high-stalk crop corn grows faster, so that the short-stalk crop soybean is in...

Method used

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  • Method for interplanting soybean with corn
  • Method for interplanting soybean with corn
  • Method for interplanting soybean with corn

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Spring corn intercropping and spring soybeans: the narrow row spacing of corn is 40cm, the wide row spacing is 200cm, and the plant spacing is 20cm. There are 3 rows of spring soybeans in the wide row, the spring soybean row spacing is 40cm, and the plant spacing is 20cm. Guichun 8 is suitable for early-sowing and medium-maturing spring soybeans, and Yidan 629 is a semi-compact corn; spring soybeans were sown on February 5, and corn on March 5.

[0027] Before sowing spring soybeans, level the land and start rowing, and use 17-17-17 compound fertilizer to spread evenly on the ground at 10kg / mu as base fertilizer. After sowing, use Jinduer (96% emulsifiable oil) to seal at 100ml / acre. When spring corn is sown, 17-17-17 compound fertilizer is evenly spread on the ground at 15kg / mu as base fertilizer, and compound fertilizer and urea are topdressed at 15kg / mu in a ratio of 2:1 for 5-6 leaves; 7-13 The compound fertilizer and urea are topdressed with 40kg / mu according to t...

Embodiment example 2

[0032] Spring soybeans and corn are planted in wide and narrow rows, the narrow row spacing of corn is 40cm, the wide row spacing is 160cm, the plant spacing is 20cm, there are 3 rows of spring soybeans in the wide row, the spring soybean row spacing is 40cm, the plant spacing is 20cm, and 2 plants per hole; the spring soybean corn row spacing is 40cm; the spring soybean The variety is Guichun No. 15 suitable for early sowing and mid-maturing spring soybeans, and the semi-compact Yidan 629 corn is the variety; the spring soybeans were sown on February 5, and the corn was sown on March 5.

[0033] Before sowing spring soybeans, level the land and start rowing, and use 17-17-17 compound fertilizer to spread evenly on the ground at 10kg / mu as base fertilizer. After sowing, use Jinduer (96% emulsifiable oil) to seal at 100ml / acre. When spring corn is sown, 17-17-17 compound fertilizer is evenly spread on the ground at 15kg / mu as base fertilizer, and compound fertilizer and urea ar...

Embodiment 3

[0038] Summer soybeans and corn are planted in wide and narrow rows, the narrow row spacing of corn is 30cm, the wide row spacing is 210cm, the plant spacing is 30cm, there are 3 rows of summer soybeans in the wide row, the summer soybean row spacing is 50cm, the plant spacing is 20cm, and 2 plants per hole; the summer soybean corn row spacing is 55cm; The variety is Guixia 1 with better adaptability, and the corn is semi-compact Yidan 629; Xia soybean was sown on June 30, and corn was sown on July 25.

[0039] Before sowing spring soybeans, level the land and start rowing, and use 17-17-17 compound fertilizer to spread evenly on the ground at 10kg / mu as base fertilizer. After sowing, use Jinduer (96% emulsifiable oil) to seal at 100ml / acre. When spring corn is sown, 17-17-17 compound fertilizer is evenly spread on the ground at 15kg / mu as base fertilizer, and compound fertilizer and urea are topdressed at 15kg / mu in a ratio of 2:1 for 5-6 leaves; 7-13 The compound fertilizer...

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Abstract

The invention discloses a method for interplanting soybeans with corn. The method comprises the following steps: (1) selecting a planting area, namely, selecting an area with a long frost-free season and rich light and heat resources; (2) selecting a variety, namely, selecting a corn variety which is applicable to interplanting and has compact and half-compact middle short stalks, and selecting a spring soybean or summer soybean variety which is good in shade tolerance in later period; (3) selecting an interpanting mode: performing wide-narrow-row-spacing interplanting mode on the spring soybean or summer soybean variety and the corn variety; (4) performing early sowing at appropriate time, namely, sowing the spring soybean or summer soybean variety and the corn variety in different periods, and sowing the soybeans before the corn; (5) selecting a herbicide, namely, selecting a Dual Gold herbicide as a sealing herbicide which can do relatively small harm to the corn and the soybeans; (6) performing fertilizer-water management. By adopting the planting method disclosed by the invention, the light and heat conditions of South China are sufficiently utilized, not only is the utilization efficiency of lands improved, but also the income can be increased, moreover the rain season can be avoided to a certain extend as the spring soybeans are sown early appropriately, soybean seeds with a relatively low inferior seed rate can be harvested, and the quality of the spring soybeans can be improved.

Description

technical field [0001] The invention belongs to the technical field of crop cultivation, and in particular relates to an intercropping method for staggered sowing of southern corn and soybean. Background technique [0002] Intercropping technology can improve the efficiency of land use and increase the output per unit area of ​​land. It is a high-efficiency planting mode that combines land use and land cultivation. There is a large area of ​​corn planting in the southern region, which provides a broad space for the development of intercropping of corn and soybean. At present, intercropping corn and soybeans are mainly planted at the same time. Under this mode, the high-stalk crop corn grows faster, so that the short-stalk crop soybean is in a shady state earlier. Soybean is easy to lodging and obtains less light energy, which affects the intercropping mode. Due to the increase in soybean yields, farmers are not motivated to plant. [0003] Based on making full use of the t...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 陈文杰梁江陈渊韦清源汤复跃郭小红
Owner 广西壮族自治区农业科学院经济作物研究所
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