Method for quickly raising rice seedlings on upland field with saline-alkali soil

A technique for raising seedlings in saline-alkali land and drought, which is applied in the field of drought seedlings, can solve the problems of long seedling raising technology cycle, slow seedling growth, and high cost of seedling raising, and achieve the effects of improving the survival rate of transplanting, promoting rapid emergence of seedlings, and improving salt-alkali tolerance

Inactive Publication Date: 2013-07-17
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention aims to solve the technical problems of the traditional rice seedling raising technology cycle is long, greatly affected by low temperature climate conditions, seedling growth is slow, easy to disease, and the technical problems of seedling raising cost are high, and a method for rapid dry seedling raising of rice in saline-alkali land is provided

Method used

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Examples

Experimental program
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Effect test

specific Embodiment approach 1

[0024] Specific implementation mode one: the fast dry seedling raising method of rice in saline-alkali land in this implementation mode is specifically completed according to the following steps:

[0025] 1. The preparation concentration is 1.06g / cm 3 ~1.18g / cm 3 Put the seeds into the salt water to soak the seeds, wherein the soaking temperature is 36.5°C-38.5°C, the soaking time is 24h-36h, and then rinse the seeds 1-2 times, remove empty grains, impurities and germs, and get the treated seed;

[0026] 2. Select acidic peat soil and wind-blown sandy soil as the seedbed soil, level the seedbed, line it with film, cover the seedbed with 5cm-7cm thick seedbed soil, level and compact it, and then sow the treated seeds in step 1 , sow 0.5kg to 0.6kg per square meter, then cover with 1cm to 2cm of soil, and compact;

[0027] 3. Spray water into the seedbed soil after sowing in step 2 to make the seedbed soil completely moist, then cover with film, seal, and control the room tem...

specific Embodiment approach 2

[0037] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the brine concentration in step one is 1.17g / cm 3 . Others are the same as in the first embodiment.

specific Embodiment approach 3

[0038] Specific embodiment 3: The difference between this embodiment and specific embodiment 1 or 2 is that the soaking temperature in step 1 is 37.5°C. Others are the same as in the first or second embodiment.

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Abstract

The invention relates to a method for rice seedlings on upland field, in particular to a method for quickly raising the rice seedlings on the upland field with saline-alkali soil, and solves the technical problems that conventional rice seedling technologies are long in seedling raising period, severely impacted by low-temperature weather conditions, slow in rice seedling growth, prone to getting disease and high in seedling cost. The method includes: (1) soaking seeds; (2) seeding in matched soil; (3) covering with a film for accelerating germination; (4) controlling temperature to raising seedlings; and (5) ventilating and training the seedlings. The method promotes the seeds to germinate early and grow quickly, so that the seedling raising period is shortened, input of chemical agent is saved, saline-alkali resisting capability of rice seedlings is improved, rice seedling cost is greatly reduced, survival rate of transplanting is high, and the method is simple to operate, strong in operability, and applicable to large-scale seedling raising in rice cropping production on the saline-alkali soil and meanwhile applicable to rice seedling cultivation of green rice planting. The method is used for raising the rice seedlings on the upland field with the saline-alkali soil.

Description

technical field [0001] The invention relates to a method for raising seedlings by drought. Background technique [0002] There is a large area of ​​soda saline-alkali land in the Songnen Plain in Northeast my country. People have found in the long-term practice of improving and controlling soda saline-alkali land that rice cultivation is one of the effective methods for biological control of saline-alkali land. In recent years, with the implementation of the national grain increase plan and the continuous increase in agricultural investment, the planting area of ​​rice in soda saline-alkali land has continued to expand, and problems such as low rice yield, poor planting economic benefits, and lack of efficient cultivation techniques have become increasingly prominent. Among them, the difficulty of raising rice seedlings in saline-alkali land has become the most urgent problem to be solved. [0003] Most of the traditional rice seedling raising techniques are arched shed see...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G16/00A01C1/00C05G3/00A01G22/22
Inventor 黄立华梁正伟王明明刘淼杨昊谕
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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