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North-pear high-yield cultivation method

A cultivation method and high-yield technology are applied in the field of preparation of high-yield cultivation methods for northern pear trees, which can solve the problems of low survival rate and low yield of northern pear trees, and achieve the effects of strong affinity, increased yield and growth promotion.

Active Publication Date: 2018-10-19
POMOLOGY INST SHANXI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the invention is to solve the problems of low survival rate and low output of northern pear trees

Method used

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  • North-pear high-yield cultivation method

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Experimental program
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Effect test

Embodiment 1

[0031] A method for cultivating high-yield northern pear trees, comprising the following steps:

[0032] S1, select 1-2 year-old grafted seedlings for use, the rootstock uses Qiuzi pear, and the variety is the main planting variety, leaving 40-50cm to cut short, pruning the main root of the root system to retain 10-12cm, and carrying out hydroponics;

[0033] S2. Select March-April. When the average daily temperature reaches 15-18°C for 5 consecutive days, take out the hydroponic seedlings that are growing well in S1 and plant them with 15%-20% pollinating trees. Before planting, you must choose to stay away from pollution sources. And the areas with good irrigation conditions and drainage conditions are sorted out. The thickness of the soil layer in the area is 1-1.5m, the soil is loose, and the organic matter content is high; when planting, use 3×4-5m plant row spacing, and plant 83-33 plants per mu plan;

[0034] S3. High-yield fertilization of northern pear trees includes...

Embodiment 2

[0046] Weigh Ca (NO 3 ) 2 4H 2 O: 1238mg / L, MgSO 4 ·7H 2 O: 523mg / L, KH 2 PO 4 : 454mg / L, (NH 4 ) 2 SO 4 : 234mg / L, K 2 SO 4 : 227mg / L, ZnSO 4 : 72mg / L, CuSO 4 : 54mg / L, (NH 4 ) 6 MO 7 o 24 : 109mg / L, EDTA-Na: 32mg / L, FeSO 4 : 32mg / L, add deionized water and stir to make 1L solution, dissolve it in 35L hydroponic solution to make hydroponic nutrient solution, then put the selected grafted seedlings into the nutrient solution for a period of time, take out the planting, plant When the planting area is sorted out, the depth of plowing is 60-70cm, and then the soil preparation and digging are carried out. According to the planting density and row direction, mark the points and dig holes or dig high-yield trenches. When digging holes or high-yield trenches, place the topsoil and subsoil separately. ;The depth of the hole is 0.8-1m, the diameter is 0.8-1.2m, the depth of the high-yield ditch is 0.8-1m, and the width is 0.8-1m; after digging, the bottom of the ditch...

Embodiment 3

[0049] The invention adopts hydroponics to cultivate seedlings, which ensures that the root system of the seedlings will not be too damaged due to transplantation, thereby ensuring the survival rate of the seedlings. The rootstock used for grafting is Qiuzi pear, so the grafted seedlings have cold resistance and drought resistance. , Disease resistance and strong affinity. When planting, configure 15%-20% pollination trees to increase the seed setting rate of pear trees. The reason for choosing seedlings in spring is that the cold weather in the north and the east will lead to a decrease in the survival rate of pears. , because the root system of pear trees is sparse, and the recovery of large roots is slow after injury, so deep plowing of pear trees should be done before planting, and organic matter and waste materials should be added to the interior of the land to ensure the fertilizer needed for the growth of pear trees. Trees absorb nitrogen quickly, so on the basis of ensu...

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Abstract

The invention discloses a north-pear high-yield cultivation method, and belongs to the technical field of north-pear high-yield cultivation. Seedlings are cultivated through water cultivation, large damage caused by transplantation to roots of the seedlings is avoided, and therefore the survival rate of the seedlings is guaranteed; stocks adopt pyrus ussuriensis maxim during grafting, seedlings after grafting have the advantages of being high in cold resistance, drought resistance, disease resistance and appetency, and 15%-20% of pollinizers are set during transplanting and can increase the fruiting rate of pears.

Description

technical field [0001] The invention relates to the field of high-yield cultivation methods for northern pear trees, and more specifically, to a preparation method for high-yield cultivation methods for northern pear trees. Background technique [0002] Pear tree is a perennial deciduous fruit tree of the genus Pyrus in the family Rosaceae, and it is widely distributed all over the world. China's pear cultivation area and output are second only to apples. The three provinces of Hebei, Shandong and Liaoning are the concentrated production areas of pears in China, with about half of the cultivated area and 60% of the output, among which the annual output of Hebei Province accounts for about one-third of China's. The pear fruit is edible and has a high value. Nutritional and medicinal value. The bark of the main trunk is smooth in the young tree stage, and the bark becomes thicker, longitudinally cracked or peeled off as the tree grows older. Twigs glabrous or hairy, and the...

Claims

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Application Information

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IPC IPC(8): A01G31/00A01G2/30A01G17/00A01B79/02A01C21/00C05G3/00
CPCA01B79/02A01C21/005A01G17/005A01G31/00C05B7/00C05G3/00C05G5/23C05C3/00C05C5/04C05D1/02C05D5/00C05D9/02
Inventor 杨盛郝国伟张晓伟白牡丹高鹏杜海燕
Owner POMOLOGY INST SHANXI ACAD OF AGRI SCI
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