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Narrow-row and compact-planting transplanting method for rice in soda saline-alkaline land

A technology of soda saline-alkali land and rice, applied in botany equipment and methods, rice cultivation, plant cultivation, etc., can solve the problems of low rice yield, increase the number of cultivation, improve seedling preservation rate and ear formation rate, and saline-alkali resistance strong effect

Inactive Publication Date: 2013-02-06
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of low rice yield in the existing rice transplanting method in soda saline-alkali land, and provide a narrow row dense rice transplanting method in soda saline-alkali land

Method used

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  • Narrow-row and compact-planting transplanting method for rice in soda saline-alkaline land
  • Narrow-row and compact-planting transplanting method for rice in soda saline-alkaline land

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Effect test

specific Embodiment approach 1

[0008] Specific embodiment one: this embodiment is a kind of rice seedling transplanting method of narrow row dense planting in soda saline-alkali land, specifically completes according to the following steps: rice seedlings are transplanted with row spacing being 22.5 ± 0.5 cm and hole spacing being 15 ± 0.5 cm. There are 6 to 8 seedlings transplanted in holes.

[0009] The rice transplanted in this embodiment has the characteristics of strong salt-alkali resistance, early heading and early full earing.

[0010] In this embodiment, the rate of rice seedling retention and ear formation rate is improved by dense planting, which makes up for the problem of less ear formation caused by the inhibition of rice tillering by salinity.

[0011] This embodiment can effectively increase the number of rice planted per unit area, reduce water evaporation, make full use of water, fertilizer, light and heat resources, rely on the group effect to enhance the ability of rice to resist saline-...

specific Embodiment approach 2

[0013] Embodiment 2: This embodiment differs from Embodiment 1 in that: the rice seedlings are cultivated by the pot seedling method or the tray seedling method, and the seedbed period is 40-50 days. Others are the same as the first embodiment.

[0014] The rice seedlings cultivated in the present embodiment can be transplanted with tillers.

[0015] Adopt following test to verify effect of the present invention:

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Abstract

The invention discloses a narrow-row and compact-planting transplanting method for rice in a soda saline-alkaline land, relates to a transplanting method for rice in a soda saline-alkaline land and aims to solve the problem of low rice yield in the conventional transplanting method for rice in a soda saline-alkaline land. The method comprises the steps that rice seedlings are transplanted with the line spacing of 22.5+ / -0.5cm and the hill spacing of 15+ / -0.5cm, and 6-8 seedlings are transplanted in each hill averagely. The narrow-row and compact-planting transplanting method has the advantages that the rice which is transplanted by using the method has the characteristics of high saline-alkaline resistance capability, earliness for heading and full heading; the rice cultivation quantity of unit area can be effectively increased, the water evaporation is reduced, water, fertilizer and photo-thermal resources can be fully utilized, the rice saline-alkaline resistance stress capability is enhanced by means of a population effect, and high yield and income increase are finally achieved; and the method is strong in operability, easy to implement, low in cost and remarkable in production increase effect. The narrow-row and compact-planting transplanting method is mainly used for planting rice in the soda saline-alkaline land.

Description

technical field [0001] The invention relates to a rice transplanting method in soda saline-alkali land. Background technique [0002] The western part of the Songnen Plain is the largest concentrated distribution area of ​​soda saline-alkali soil in my country, with an area of ​​3.73 million hectares of saline-alkali soil, and the degree of salinization is increasing year by year. Scientific practice has proved that rice planting is one of the best ways to biologically control saline-alkali land. Since the 1950s, the area of ​​rice planting in saline-alkali land has gradually increased. It accounted for nearly 50% of the total area of ​​paddy fields in the area at that time. Rice planting can wash salt with water, use water to press salt, and improve grain production and agricultural economic benefits through farming improvement and utilization of low-quality land resources. [0003] At present, the conventional rice planting in Northeast China mostly adopts the cultivatio...

Claims

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Application Information

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