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Straw-mulching film dual-covering ridge-culture potato cultivation method for plateau regions

A cultivation method and potato technology, which is applied in the fields of soil preparation, root crop cultivation, fertilization, etc., can solve the problems of slow growth of potatoes, fast cooling of mulching, poor heat preservation effect, etc., achieve efficient planting, increase production, and facilitate reproductive growth Effect

Inactive Publication Date: 2020-04-10
GANSU AGRI TECH PROMOTION GENERAL STATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high altitude and cold climate in the Hexi irrigation area and the central part along the Yellow River and the Yellow River irrigation area, plastic film mulching has a significant effect on increasing temperature. However, plastic film mulching cools down quickly and has poor heat preservation effect, resulting in slow growth of potatoes and delayed marketing.

Method used

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  • Straw-mulching film dual-covering ridge-culture potato cultivation method for plateau regions
  • Straw-mulching film dual-covering ridge-culture potato cultivation method for plateau regions
  • Straw-mulching film dual-covering ridge-culture potato cultivation method for plateau regions

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The present embodiment is ridge cultivation and furrow irrigation (contrast) cultivation method, specifically comprises the following steps:

[0043] (1) Fertilization for soil preparation: deep plowing and land preparation, apply 4000kg of organic fertilizer, 15kg of pure nitrogen, 15.0kg of phosphorus pentoxide, and 8.0kg of potassium oxide per mu, and combine the base fertilizer with pre-sowing soil preparation to concentrate on the area 10cm below the ridge surface;

[0044] (2) Ridging: Use a ridge machine to form a ridge according to the ridge distance of 110cm, the ridge bottom width of 80cm, the ridge surface width of 70cm, the ridge height of 30cm, and the furrow width of 30cm;

[0045] (3) Sowing: Sow the seed potatoes in holes on the ridges, plant in wide and narrow rows, plant in 2 rows on each ridge, the distance between wide rows is 70cm, the distance between narrow rows is 40cm, the distance between sowing rows is 15cm from the edge of the ridge surface, t...

Embodiment 2

[0049] The difference between this embodiment and Embodiment 1 is that this embodiment covers the plastic film, and the specific steps are as follows:

[0050] (1) Fertilization for soil preparation: deep plowing and land preparation, apply 4000kg of organic fertilizer, 15kg of pure nitrogen, 15.0kg of phosphorus pentoxide, and 8.0kg of potassium oxide per mu, and combine the base fertilizer with pre-sowing soil preparation to concentrate on the area 10cm below the ridge surface;

[0051] (2) Ridging: Use a ridge machine to form a ridge according to the ridge distance of 110cm, the ridge bottom width of 80cm, the ridge surface width of 70cm, the ridge height of 30cm, and the furrow width of 30cm;

[0052] (3) Sowing: Sow the seed potatoes in holes on the ridges, plant in wide and narrow rows, plant in 2 rows on each ridge, the distance between wide rows is 70cm, the distance between narrow rows is 40cm, the distance between sowing rows is 15cm from the edge of the ridge surface...

Embodiment 3

[0057] The difference between this embodiment and embodiment 1 is that this embodiment covers straw, and the specific steps are as follows:

[0058] (1) Fertilization for soil preparation: deep plowing and land preparation, apply 4000kg of organic fertilizer, 15kg of pure nitrogen, 15.0kg of phosphorus pentoxide, and 8.0kg of potassium oxide per mu, and combine the base fertilizer with pre-sowing soil preparation to concentrate on the area 10cm below the ridge surface;

[0059] (2) Ridging: Use a ridge machine to form a ridge according to the ridge distance of 110cm, the ridge bottom width of 80cm, the ridge surface width of 70cm, the ridge height of 30cm, and the furrow width of 30cm;

[0060] (3) Sowing: Sow the seed potatoes in holes on the ridge, plant in wide and narrow rows, plant in 2 rows on each ridge, the distance between wide rows is 70cm, the distance between narrow rows is 40cm, the distance between sowing rows is 15cm from the edge of the ridge, the distance betwe...

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Abstract

The invention discloses a straw-mulching film dual-covering ridge-culture potato cultivation method for plateau regions and relates to the field of crop cultivation. The method comprises the followingsteps: (1) land preparation and fertilizer application: selecting a flat land parcel, carrying out pre-sowing deep-plowing land preparation, and carrying out basal fertilizer application; (2) ridge forming: carrying out equidistant ridge forming on the flat field mechanically or manually; (3) sowing: dibbling seed potatoes in ridges; (4) straw covering: crushing straws, and uniformly covering surfaces of the ridges with the crushed straws; (5) mulching film covering: covering the straws obtained in the step (4) with mulching films, and covering the mulching films with a layer of shallow soil;and (6) field management: carrying out water management, topdressing and disease and insect pest control. According to the method, through triple actions of day heating, night heat preservation and water-storage soil-moisture-preservation at a primary stage, early germination, sound seedling and vegetative growth of potatoes are promoted; and later-stage reproductive growth of the potatoes and rapid expanding of potato tubers are facilitated, so that the high yielding and early for-sale efficient planting of potatoes of irrigated fields is achieved.

Description

technical field [0001] The invention relates to the field of crop cultivation, in particular to a method for cultivating potatoes in ridge cultivation in plateau areas covered by straw and plastic film. Background technique [0002] The potato planting area in Gansu Province is more than 10 million mu, of which the irrigated potato area accounts for more than 20%. Irrigated potatoes are mainly distributed in the Hexi irrigation area and the central Yellow River and Yellow River irrigation areas. Irrigated potatoes, especially vegetable potatoes, have the characteristics of high yield, early market, and high profitability. They are an important industry for farmers in irrigated areas to increase their income. Due to the high altitude and cool climate in the Hexi irrigation area and the central part along the Yellow River and the Yellow River diversion irrigation area, plastic film mulching has a significant effect on increasing temperature. However, plastic film mulching cool...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/25A01B79/02A01C21/00A01G13/02
CPCA01B79/02A01C21/005A01G13/0262A01G13/0275A01G22/25Y02A40/28
Inventor 刘广才胡福平李博文张忠福赵贵宾李城德宋金凤张廷龙何振明何丽娟尤艳蓉王莉霞吕锦荟
Owner GANSU AGRI TECH PROMOTION GENERAL STATION
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