Rotation mode capable of increasing yield of farmland in cold alpine zone

A technology in mountainous areas and farmland, which is applied in the field of crop rotation to improve the yield of farmland in cool and high mountain areas, can solve problems such as no public reports, and achieve the effects of strong operability, high income and high income.

Inactive Publication Date: 2020-05-22
四川省农业科学院经济作物育种栽培研究所
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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Examples

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Effect test

Embodiment 1

[0033] It was carried out in Bojiluo Village, Muli County, and the corn variety Dongdan 88 and Xiaolutou were selected from the Diduan farm. Among them, corn is planted in wide and narrow rows, with a width of 90 cm, a narrow row of 45 cm, and a plant spacing of 45 cm. After covering with film, it is sown on demand, with 3-4 grains per hole. Dipsacus is planted in rows among corns, sown in holes, with a row spacing of 45cm and a plant spacing of 25cm, and 7-8 seeds are sown. Sow corn in the middle and late March of the first year, thin out the seedlings after 7 days, leave 2 strong seedlings in each hole, and harvest in July; sow in the late rainy season, that is, mid-to-early August, and thaw the soil in the second spring, that is, March Thin out the seedlings, leaving 2 strong seedlings in each hole. In mid-April and mid-May of the second year, the plant growth retardant paclobutrazol was sprayed 2 times to promote the growth of the roots and avoid excessive bolting and flo...

Embodiment 2

[0035]It was carried out in Dujiluo Village, Muli County, and the corn variety Zhenxing 508 was selected and Xiaolutou was planted at the Dianduan farmhouse. Among them, corn is planted in wide and narrow rows, with a width of 90 cm, a narrow row of 45 cm, and a plant spacing of 50 cm. After covering with film, it is sown on demand, with 3-4 grains per hole. Dipsacus is planted in rows among corns, sown in holes, with a row spacing of 45cm and a plant spacing of 25cm, and 7-8 seeds are sown. Sow corn in the middle and late March of the first year, thin out the seedlings after 7-10 days, leave 2 strong seedlings in each hole, and harvest in July; sow in the late rainy season, that is, in the middle and early August, and thaw the soil in the spring of the second year, namely Thinning was carried out in March, leaving 2 strong seedlings in each hole. In mid-April and mid-May of the second year, the plant growth retardant paclobutrazol was sprayed 2 times to promote the growth of...

Embodiment 3

[0037] It was carried out in Dujiluo Village, Muli County, and the corn variety Luodan No. 7 and Dalutou were selected from the Duduan farm. Among them, corn is planted in wide and narrow rows, with a width of 90 cm, a narrow row of 45 cm, and a plant spacing of 40 cm. After covering with film, it is sown on demand, with 3-4 grains per hole. Chuanduan is planted in rows among corns, sown in holes, with a row spacing of 45cm and a plant spacing of 30cm, and 7-8 seeds are sown. Sow corn in the middle and late March of the first year, thin out the seedlings after 7-10 days, leave 2 strong seedlings in each hole, and harvest in July; sow in the late rainy season, that is, in the middle and early August, and thaw the soil in the spring of the second year, namely Thinning was carried out in March, leaving 2 strong seedlings in each hole. In mid-April and mid-May of the second year, the plant growth retardant paclobutrazol was sprayed 2 times to promote the growth of the roots and a...

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Abstract

The invention discloses a rotation mode capable of increasing yield of farmland in a cold alpine zone. The rotation mode capable of increasing the yield of the farmland in the cold alpine zone comprises the following steps: selecting a corn variety with strong drought tolerance and early maturity in early growth stage; and selecting a radix dipsaci asperoidis variety with strong cold resistance inlater growth stage. More specifically, in view of environmental characteristics, namely drought and rain in winter and spring as well as frequent early frost in autumn, of the cold alpine zone, the corn variety with strong drought tolerance and early maturity is selected for the early growth stage (the corn is sowed in 90-cm wide rows and 45-cm narrow rows with plant spacings of 40-50 cm after mulching in a spaced sowing way, each hole 3-4 grains); and the radix dipsaci asperoidis variety with strong cold resistance is selected for the later growth stage (the radix dipsaci asperoidis is sowedin interval rows between the corn in a hole-sowing way with row spacings of 45 cm and plant spacings of 25-30 cm, each hole 7-8 grains ). The rotation mode capable of increasing the yield of the farmland in the cold alpine zone adopts a grain and drug planting mode with highly efficient ecological cycle, and has reasonable layout. By changing a conventional corn monoculture mode into the corn-radix dipsaci asperoidis rotation mode, utilization efficiency of water, light and heat resources are greatly improved while ensuring low labor intensity and high operability, so that the rotation mode capable of increasing the yield of the farmland in the cold alpine zone is suitable for large-area promotion in vast alpine areas, especially in remote and backward alpine areas.

Description

technical field [0001] The invention belongs to the technical field of planting methods of crops, and in particular relates to a crop rotation method for improving farmland output in cold and high mountainous areas. Background technique [0002] The cold and high mountainous area is about 2,000 meters above sea level, and the rainfall is severely unevenly distributed. It is dry and rainless in winter and spring, and early frost occurs frequently in autumn. This kind of terrain is more common in poor areas in my country, with a vast area and rich sunlight resources. However, due to the general lack of facilities such as irrigation, many vegetables cannot be grown and the productive potential of the soil is not realized. How to use local cultivated crops according to local conditions, increase the yield and economic benefits per unit area of ​​soil in Lengliang mountainous areas, and protect the local fragile ecological environment while realizing high-quality and high-yield ...

Claims

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Application Information

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IPC IPC(8): A01G22/20A01G22/25A01G7/06
CPCA01G7/06A01G22/20A01G22/25
Inventor 彭芳张超陶珊袁灿吴宇施田田廖雪梅廖绪红李生翠
Owner 四川省农业科学院经济作物育种栽培研究所
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