摘要: |
该文对甘肃省盐碱地现状进行了全面的调查,分析了甘肃省盐碱地改良方面存在的主要困难和的 问题,有针对性地提出了甘肃省盐碱地改良的思路与建议。根据调查,甘肃省盐碱地总面积为141.40万 hm 2 ,盐碱耕地面积为32.25万hm 2 ,占盐碱地总面积的22.81%;盐碱荒地面积为109.15万hm 2 ,占盐碱 地总面积的77.19%;轻度盐碱地面积为40.41万hm 2 ,中度盐碱地面积为40.72万hm 2 ,重度盐碱地面积 为60.28万hm 2 ,分别占盐碱地面积的28.58%、28.80%及42.63%。同时提出了盐碱地治理的思路和建立 健全盐碱地土壤监测预警体系等5点建议。 |
关键词: 盐碱地 现状 治理 思路 建议 甘肃省 |
DOI:10.7621/cjarrp.1005-9121.20130414 |
分类号: |
基金项目:基金项目:农业部耕地质量保护项目,农财发﹝2011﹞37号;农业部有机质提升项目,农办财(2011)109号 |
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IDEA AND SUGGESTIONS ON SALINE-ALKALI SOIL STATUS QUO AND MANAGEMENTS IN GANSU PROVINCE |
Guo Shiqian, Cui Zengtuan, Fu Qinmin
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Guansu Provincial Agro-Saving Water & Soil Fertilizer Station, Lanzhou, Gansu 730020
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Abstract: |
The paper conducted a comprehensive survey to the saline-alkali soil' status quo of Gansu province, and put forward the ideas and suggestions to improve the main difficulties of saline-alkali soil in Gansu province. Ac- cording to the survey, the total area of saline-alkali soil is 1.414 million hectares, and the area of arable land of the salinization soil is 322 500 hectares, accounting for 22.81% of the total area of the saline-alkali soil; the area of saline-alkali wasteland is 1.091 5 million hectares, accounting for 77.19% of the total area of the saline-alkali soil; the mild, moderate, and severe saline land area were 404 100 hectares, 407 200 hectares, and 602 800 hec- tares, accounting for 28.58%, 28.80% and 42.63% of the saline-alkali soil area, respectively. |
Key words: saline-alkali soil status quo management suggestion Gansu province |