Method for rapidly recovering rice seedlings in severe saline-alkali soil to improve seedling survival rate

A technology for severe saline-alkali land and high survival rate, which is applied in the fields of soil preparation, rice cultivation, agricultural machinery and machinery, etc. It can solve the problems of difficult survival, low disease resistance of rice seedlings, and low survival rate of rice seedlings, etc., to prevent anti-salt Effect

Pending Publication Date: 2022-07-26
营口国丰生态农业发展有限公司
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Problems solved by technology

[0003] However, the survival rate of rice seedlings cultivated at present is not high,

Method used

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  • Method for rapidly recovering rice seedlings in severe saline-alkali soil to improve seedling survival rate

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Embodiment 1

[0017] A method for rapidly slowing seedlings and improving the survival rate of rice seedlings in severely saline-alkali land, characterized in that:

[0018] S1: soil improvement;

[0019] (1) Carry out deep ploughing and deep ploughing;

[0020] (2) Leveling the land to prevent the formation of low-lying places, resulting in the accumulation of salt;

[0021] (3) The water is sprayed to the soil in batches several times to dilute the salt, so as to be suitable for the growth of rice.

[0022] S2: Seed variety selection;

[0023] (1) It needs to meet the requirements of salt resistance, strong alkali resistance, and good disease resistance;

[0024] (2) The required varieties should have the characteristics of more white roots, large root volume, more tillers, vigorous growth, strong stress resistance and high yield;

[0025] (3) put the selected seeds into the container, and add clear water to the container, take out the glutinous rice grains floating on the top, and ut...

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Abstract

The invention provides a method for rapidly recovering rice seedlings in severe saline-alkali soil to improve the survival rate of the rice seedlings. The method comprises the following steps: S1, soil improvement; s2, seed variety selection; s3, seedling raising; s4, transplanting rice seedlings; s5, fertilization management. The method can increase the survival rate of seedlings, improve the disease resistance of the seedlings, prevent the planting soil from resisting salt, and improve the environment.

Description

technical field [0001] The invention mainly relates to the technical field of rice planting in saline-alkali land, in particular to a method for rapidly slowing seedlings of rice in severely saline-alkali land and improving the survival rate of seedlings. Background technique [0002] Saline-alkali land is a type of salt accumulation, which means that the salt contained in the soil affects the normal growth of crops. According to incomplete statistics from UNESCO and the FAO, the area of ​​saline-alkali land in the world is 954.38 million hectares, of which my country is 954.38 million hectares. 99.13 million hectares. Most of the formation of alkaline soil and alkaline soil in my country is related to the accumulation of carbonate in the soil, so the alkalinity degree is generally high, and plants in severe saline-alkali soil areas can hardly survive. There is a large area of ​​soda-alkali land in the Songnen Plain in Northeast my country. People have found in the long-term...

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Application Information

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IPC IPC(8): A01G22/22A01B79/02
CPCA01G22/22A01B79/02
Inventor 王绍兴薛祥华施友勇林月仙
Owner 营口国丰生态农业发展有限公司
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