Potato layered tuber cultivation method

A cultivation method and potato technology are applied in the directions of cultivation, plant cultivation, botanical equipment and methods, etc., which can solve the problems of low potato yield, poor commerciality, and high green potato rate, and reduce the time for seedling placement, good uniformity, and green potato. The effect of reducing the potato rate

Inactive Publication Date: 2016-05-11
薛龙
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a method for potato layered tuber cultivation with micro-ridge mulching, multiple soil cultivation, and high yield, so as to solve the problems of low yield, high green potato rate, and poor commerciality in existing potato production.

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Embodiment 1

[0025] 1. Variety selection: Select new potato varieties with high quality, high yield and strong disease resistance that are suitable for local planting. Late-maturing varieties are selected in the range of 1800-2000m above sea level; medium-maturing varieties are selected in the range of 2000-2300m above sea level; early-maturing varieties are selected in the range of 2300-2700m above sea level.

[0026] 2. Seed potato treatment technology: On the premise of using virus-free seed potatoes, the seed potatoes are strictly selected 15-20 days before sowing. After the seed potatoes are sun-dried to accelerate germination before sowing, cut into pieces according to the bud eyes, and eliminate diseased potatoes when cutting into pieces. Soak the cutting knife with 0.1% potassium permanganate solution for 5-10 minutes when cutting into pieces to disinfect. For every 130-150kg cutting, use 300g powder of seed dressing agent (potato seed dressing agent purchased from Gansu Academy o...

Embodiment 2

[0035] Embodiment 2: the fertilization process in step 5 among the embodiment 1 is as follows: potato belongs to the high fertilizer-requiring crop, and every 1000kg potato is produced, nitrogen application 4.4kg, phosphorus pentoxide 1.8kg, potassium oxide 7.9kg, three ratios are 1 :0.4:2. The base fertilizer is mainly farmyard manure and chemical fertilizer. Generally, 2 cubic meters of high-quality farmyard manure is used per mu, and the amount of chemical fertilizers accounts for 2 / 3 of the total fertilizer amount, which can be applied by rotary tillage before sowing. Potassium dihydrogen phosphate can be sprayed on the leaves of the plots with weak seedlings after flowering. Topdressing is carried out during the potato expansion period, accounting for 1 / 3 of the chemical fertilizer application.

Embodiment 3

[0036] Embodiment 3: the fertilization process in step 5 in embodiment 1 is as follows: potato belongs to the crop that needs fertilizer highly, and every 1000kg potato is produced, nitrogen application 5.5kg, phosphorus pentoxide 2.2kg, potassium oxide 10.2kg, three ratios are 1 :0.4:2. The base fertilizer is mainly farmyard manure and chemical fertilizer. Generally, 4 cubic meters of high-quality farmyard manure is used per mu, and the amount of chemical fertilizers accounts for 2 / 3 of the total fertilizer amount, which can be applied by rotary tillage before sowing. Potassium dihydrogen phosphate can be sprayed on the leaves of the plots with weak seedlings after flowering. Topdressing is carried out during the potato expansion period, accounting for 1 / 3 of the chemical fertilizer application.

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Abstract

The invention discloses a potato layered tuber cultivation method with micro-ridge film covering, repeated soil cultivation and high yield to solve the problems of low yield, high green potato rate and poor commerciality in the existing potato production. It includes the following steps: A. Sowing at the appropriate time: The sowing time of potatoes is: in normal years, according to the regional climate characteristics, in the area below 1800 meters above sea level, it is sown in early April; Late April; for areas above 2,300 meters above sea level, the suitable sowing time is early and mid-May; when sowing, draw a line at 1.1m, ditch on both sides of the midline, sow in two rows, row spacing 25-30cm, plant spacing 22-25cm, bud eyes Upward, when sowing, use a micro-ridge of 5-8cm for film-mulching cultivation; B, multiple soil cultivation, layered tuber formation. The present invention can achieve two layers of tubers on the film and under the film after repeated soil cultivation, prevent the stolons from being exposed, and promote the expansion of the top of the stolons in the soil to form tubers, which can increase the number of tubers per plant by 2-3, and the green potato rate is remarkable. The rate of large potatoes and the commerciality have been significantly improved.

Description

technical field [0001] The invention relates to a method for cultivating potatoes. Background technique [0002] At present, most of the sowing methods used in potato production are: after ditching and on-demand sowing, a ridge with a height of 25-30cm is raised at one time, and then covered with film (or not covered with film) or after a ridge with a height of 25-30cm is raised at one time, and then used "Spot planting gun" is used for sowing, so that the depth of the sowing method can reach 10cm-15cm, and the cultivation of high ridges in production is one-time molding without soil cultivation, resulting in slow emergence, poor uniformity, serious lack of seedlings and broken ridges; To achieve multiple soil cultivation, the rate of green potatoes is high, the commerciality is poor, the utilization rate of fertilizers is low, and the occurrence of diseases and insect pests is serious, which affects the expansion of tubers. Contents of the invention [0003] The object o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 薛龙华军韩顺斌孙炳玲杨雅萍王爱文钟红清任伟苏维王海军马丽君徐娅梅
Owner 薛龙
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