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Chinese yam continuous cropping resisting cultivation technology

A technology of anti-heavy cropping and yam, which is applied in cultivation, plant cultivation, gardening, etc., can solve the problems of no improvement measures for yam, and achieve the effects of increasing soil permeability, promoting aggregate structure, and improving soil fertility

Inactive Publication Date: 2015-04-01
CROP RES INST SHANDONG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the current improvement measures for the factors affecting the planting of Chinese yam include: treatment of yam seeds by soaking seeds with difenzolin, soil treatment by using microbial fertilizers, balanced fertilization, and field sterilization, and treatment during planting , but no improvement measures in the process of yam growth

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] (1) Seed drying: use 80wt% mancozeb wettable powder 14kg / hm 2 With water 37.5kg / hm 2 Mix evenly to obtain the medicinal solution; cut 200g-400g of yam tubers from the head of the finished yam with a bamboo knife, and apply the medicinal solution evenly on the section of the intercepted yam tuber with a brush, so that a layer of medicinal film is formed on the section; the section is naturally dried until Dark brown, get yam seeds;

[0049] (2) Acceleration of germination: 1.4 kg / hm of 25wt% amida suspending agent 2 With water 37.5kg / hm 2 Mix well, spray on the yam seeds prepared in step (1), spray once a day, spray continuously for 4d-5d, cover grass thatch during the day, uncover and accelerate germination at night;

[0050] (3) Soil preparation: 3d-5d before planting, combined with fertilization (bean cake), sprinkle 20wt% copper acetate wettable powder 16 kg / hm 2 ;

[0051] (4) Planting: In the middle and late April, when the ground temperature is above 10°C, op...

Embodiment 2

[0055] (1) Seed drying: use 80wt% mancozeb wettable powder 15kg / hm 2 With water 37.5kg / hm 2 Mix evenly to obtain the medicinal solution; cut 200g-400g of yam tubers from the head of the finished yam with a bamboo knife, and apply the medicinal solution evenly on the section of the intercepted yam tuber with a brush, so that a layer of medicinal film is formed on the section; the section is naturally dried until Dark brown, get yam seeds;

[0056] (2) Acceleration of germination: 1.5kg / hm of 25wt% amida suspending agent 2 With water 37.5kg / hm 2 Mix well, spray on the yam seeds prepared in step (1), spray once a day, spray continuously for 4d-5d, cover grass thatch during the day, uncover and accelerate germination at night;

[0057] (3) Soil preparation: 3d-5d before planting, combined with fertilization (bean cake), sprinkle 20wt% copper acetate wettable powder 18kg / hm 2 ;

[0058] (4) Planting: In the middle and late April, when the ground temperature is above 10°C, open...

Embodiment 3

[0062] (1) Seed drying: use 80wt% mancozeb wettable powder 16kg / hm 2 With water 37.5kg / hm 2 Mix evenly to obtain the medicinal solution; cut 200g-400g of yam tubers from the head of the finished yam with a bamboo knife, and apply the medicinal solution evenly on the section of the intercepted yam tuber with a brush, so that a layer of medicinal film is formed on the section; the section is naturally dried until Dark brown, get yam seeds;

[0063] (2) Acceleration of germination: 1.6kg / hm of 25wt% amida suspending agent 2 With water 37.5kg / hm 2 Mix well, spray on the yam seeds prepared in step (1), spray once a day, spray continuously for 4d-5d, cover grass thatch during the day, uncover and accelerate germination at night;

[0064] (3) Soil preparation: 3d-5d before planting, combined with fertilization (bean cake), sprinkle 20wt% copper acetate wettable powder 20kg / hm 2 ;

[0065] (4) Planting: In mid-to-late April, when the ground temperature is above 10°C, open a d...

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Abstract

The invention relates to a Chinese yam continuous cropping resisting cultivation technology, and belongs to the technical field of crop production. The Chinese yam continuous cropping resisting cultivation technology includes: when vines completely climb a whole frame after Chinese yam is planted, spraying 50wt% carbendazim wetting powder; in the middle growth stage, spraying 80wt% mancozeb wetting powder on leaf surfaces, spraying the 80wt% mancozeb wetting powder every other 15d, and spraying the 80wt% mancozeb wetting powder for 3-4 times; in the full blooming stage, spraying a mixture of the 80wt% mancozeb wetting powder and amino acid soluble fertilizer on the leaf surfaces, spraying the mixture every other 7d, and spraying the mixture twice; in the later stage, spraying 90wt% mancozeb wetting powder, spraying the 90wt% mancozeb wetting powder every other 15d, and spraying the 90wt% mancozeb wetting powder once or twice. The Chinese yam continuous cropping resisting cultivation technology sprays pesticides according to specific time, specific sequence and specific concentration, greatly reduces occurrence rate of insect damage to Chinese yam, remarkably reduces disease occurrence of the Chinese yam, improves yield and quality of the Chinese yam, and solves the defect that crop rotation is needed when the Chinese yam is planted in the prior art. The Chinese yam continuous cropping resisting cultivation technology further improves continuous cropping resisting ability of the Chinese yam by changing a seed soaking and soil disinfecting method.

Description

technical field [0001] The invention relates to a yam resistant to repeated cropping cultivation technology, which belongs to the technical field of crop production. Background technique [0002] Yam is a sensitive crop to heavy cropping. Heavy cropping can lead to weak growth, low resistance, premature senility, no swelling of tubers, and a decline in yield and quality. Generally, yams can reduce their yield by 30% to 70% in the third year of heavy cropping, and even become extinct. . There are few studies on the reasons for the reduction in yield of yam under heavy cropping. With the help of the research results of other crops, it is believed that the reasons for the reduction in yield of yam under heavy cropping are related to diseases and insect pests, soil physical structure, soil nutrients, and the accumulation of secreted hormones in the growth of yam itself, forming a negative impact on the growth of yam. suppression and many other factors. [0003] Aiming at the f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G13/00A01C21/00
CPCA01C21/00A01G13/00A01G22/00
Inventor 李爱贤张海燕邱若瑞王庆美解备涛董顺旭侯夫云
Owner CROP RES INST SHANDONG ACAD OF AGRI SCI
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