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Paddy rice direct seeding light cultivation method

A cultivation method and rice technology, applied in the field of crop cultivation, can solve the problems of increased cost of rice, threats to rice production, etc., and achieve the effects of saving artificial seedlings, saving rice planting costs, and saving water costs.

Inactive Publication Date: 2013-05-08
江苏丰收种业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Rice production has been seriously threatened by the increase in rice costs and successive year-on-year reductions in production

Method used

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  • Paddy rice direct seeding light cultivation method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Around June 10, wheat and rapeseed were harvested and then rotated in time. The method of dry direct seeding was adopted, combined with field preparation, and 50-60 catties of three-element compound fertilizer was applied per mu, of which nitrogen, phosphorus, and potassium each accounted for 15%, and were used as rice base fertilizer. The quality of the site preparation should reach the level of the ground, with no rubbish on the top and no dark crevices on the bottom.

[0038] Sow 9-10 catties of qualified seeds per mu, and the varieties should be early and mid-maturing varieties, such as Wuyunjing 21 or Xudao series or Lianjing series or Zhendao 99. The sowing method can be artificial drill sowing or machine sowing. If irrigation is timely, it is advisable to soak the seeds to accelerate germination and sow. Use the method of day soaking and night dew until the seeds are white. Manual ditching can also be done by machine. The ditch depth is about 15cm. Depending on t...

Embodiment 2

[0044] Around June 15, wheat and rapeseed were harvested and then rotated in time. The method of dry direct seeding was adopted, combined with field preparation, and 50-60 catties of three-element compound fertilizer was applied per mu, of which nitrogen, phosphorus and potassium each accounted for 15%, and were used as rice base fertilizer. The quality of the site preparation should reach the level of the ground, with no rubbish on the top and no dark crevices on the bottom.

[0045] Sow 11-12 catties of qualified seeds per mu, and the varieties should be early and mid-maturing varieties, such as Wuyunjing 21 or Xudao series or Lianjing series or Zhendao 99. The sowing method can be artificial drill sowing or machine sowing. If irrigation is timely, it is advisable to soak the seeds to accelerate germination and sow. Use the method of day soaking and night dew until the seeds are white. Manual ditching can also be done by machine. The ditch depth is about 15cm. Depending on t...

Embodiment 3

[0051] Around June 20th, no later than June 25th, wheat and rapeseed should be harvested and then rotated in time after stubble, using the method of dry direct seeding, combined with field preparation, and applying 50-60 catties of three-element compound fertilizer per mu, of which nitrogen, phosphorus, and potassium Each accounted for 15%, as rice base fertilizer. The quality of the site preparation should reach the level of the ground, with no rubbish on the top and no dark crevices on the bottom.

[0052] Sow 14-15 catties of qualified seeds per mu. The varieties should be early and mid-maturing varieties, such as Wuyunjing 21 or Xudao series or Lianjing series or Zhendao 99. The sowing method can be artificial drill sowing or machine sowing. If irrigation is timely, it is advisable to soak the seeds to accelerate germination and sow. Use the method of day soaking and night dew until the seeds are white. Manual ditching can also be done by machine. The ditch depth is about ...

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Abstract

The invention belongs to the technical field of crop cultivation and relates to a paddy rice direct seeding light cultivation method. The paddy rice direct seeding light cultivation method comprises the following steps: (1), variety choice: medium maturity japonica type paddy rice variety is suitable for huanghuai south area, (2), optimum period and earlier planting: ploughing up and sowing in time after summer crops like wheat, rape and the like stubble in huanghuai south area, sowing time is in first ten-day period of a month and middle-ten day period of a month in June, the latest sowing time can not exceed 25, June, (3), suitable sowing quantity: in 5-10, June, certified seeds of 9-10 jins per acre are used, and in 10-15, June, certified seeds of 11-12 jins per acre are used, in 15-20, June certified seeds of 14-15 jins per acre are used, (14), seeding method: drought direct seeding and water direct seeding are utilized. (5), chemical weed control, and (6), management in middle and later periods: water slurry management, fertilizer management and pest control. The paddy rice direct seeding light cultivation method solves the problems that rural labors transfer and planting of paddy rice is difficult and particularly copes the problems of outbreaks of worm spread diseases - stripe leaf blight disease year by year to bring cost to paddy rice production. The paddy rice direct seeding light cultivation method has the advantages of capable of saving labors and cost, high in production, and simple and convenient to operate and the like.

Description

technical field [0001] The invention belongs to the technical field of crop cultivation, and relates to a light cultivation method for direct seeding of rice. Background technique [0002] The traditional planting method of rice production in history is seedling raising and transplanting, which mainly includes: finishing seedling borders, germination and falling, seedling field management, seedling lifting, seedling transportation, field watering and soil preparation, planting and other links. There is a saying that "rice is delicious and difficult to plant, and it is difficult to plant half an acre of land a day with the face of the loess and the back to the sky". In order to cultivate strong seedlings and increase the yield per unit area, the agricultural sector has continuously requested to increase the ratio of seedlings to fields from 1:10-12 to 1:8 and 1:6, expanding the area of ​​seedlings and reducing the planting of summer crops. area. In order to alleviate the di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G16/00A01G22/22
Inventor 陈甫龙花学忠
Owner 江苏丰收种业有限公司
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