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Method for planting cotton at muddy coastal heavy saline-alkali land

A planting method and silt technology, which are applied in the field of coastal saline-alkali land management and utilization, can solve problems such as incomplete emergence, low yield and poor quality.

Inactive Publication Date: 2015-04-01
COASTAL AGRI RES INST HEBEI ACAD OF AGRI & FORESTRY SCI
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  • Abstract
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for planting cotton in silty coastal heavily saline-alkali land, which solves the problems of incomplete seedling emergence, low yield and poor quality of cotton in silty coastal heavily saline-alkali land existing in the prior art

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  • Method for planting cotton at muddy coastal heavy saline-alkali land
  • Method for planting cotton at muddy coastal heavy saline-alkali land
  • Method for planting cotton at muddy coastal heavy saline-alkali land

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specific Embodiment

[0060] Located in Caofeidian District, Hebei Province, it has a warm temperate semi-humid continental monsoon climate, with an average annual rainfall of 635.7mm, concentrated in June to September, accounting for about 81.7% of the annual rainfall, of which July is the most concentrated. The uneven temporal and spatial distribution of rainfall determines the climate characteristics of spring drought and summer flood in this region. The type of saline-alkali soil in this area is mainly NaCl, which belongs to the parent material of lagoon deposits.

[0061] 1. In mid-April, apply 1000 kg / mu of phosphogypsum (purchased by a chemical fertilizer factory), 100 kg / mu of humic acid (produced by Simon Fertilizer, organic matter dry basis ≥ 56, humic acid dry basis ≥ 38), slow-release fertilizer ( Stanley, N, P 2 o 5 、K 2 O content is 18, 20, 7) 40 kg / mu, cow dung 7 cubic meters / mu, deep plowing 30 cm.

[0062] 2. Ditch sowing: Install a furrower on the rotary plow as required, and ...

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Abstract

The invention discloses a method for planting cotton at muddy coastal heavy saline-alkali land. The method for planting the cotton at the muddy coastal heavy saline-alkali land includes steps of soil improvement, fertilizer increase, furrowing, seeding, growing period management and harvesting, wherein the other field management measures are the same with those of the normal management method. Based on salinity and soil structure features of the muddy coastal heavy saline-alkali soil, the growth rhythm of the cotton at the saline-alkali land, and the soil improvement and fertilizer increase technology, the cotton yield and quality are improved at the saline-alkali land through regulating and controlling the cotton plant height in the whole process and using the monosomic technology for controlling reasonable fruit branch numbers.

Description

technical field [0001] The invention belongs to the technical field of coastal saline-alkali land management and utilization, and in particular relates to a method for planting cotton in silty coastal heavily saline-alkali land. Background technique [0002] Coastal saline-alkali land is an important land resource for the development of cotton production, and it is also the potential for improving cotton production capacity. The total area of ​​saline-alkali land in my country exceeds 520 million mu, of which there are 140 million mu of saline-alkali land in the coastal Yimian area, which has great potential for utilization. The eastward movement of cotton areas has become a strategic measure to ensure food security and stabilize cotton area. Cotton has a salt tolerance of 0.4%, and is a commercial crop with good salt tolerance. However, cotton has poor salt tolerance in the germination and emergence stages, and is affected by the harsh climate characteristics of the coastal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G7/06A01C21/00
CPCA01G7/06A01G22/00
Inventor 鲁雪林王秀萍刘雅辉张国新李强张晓东冯贺敬脱万亮刘新光高青山
Owner COASTAL AGRI RES INST HEBEI ACAD OF AGRI & FORESTRY SCI
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