| Cite this article: | 张相柱,张云.磷石膏混合法对盐碱地的改良研究（河套灌区研究成果专刊）[J].灌溉排水学报,0,():-. |
| ZHANG Xiang-zhu,ZHANG Yun.磷石膏混合法对盐碱地的改良研究（河套灌区研究成果专刊）[J].灌溉排水学报,0,():-. |
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| Study on Modification of Saline-alkali Land by Phosphogypsum Mixing Method |
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ZHANG Xiang-zhu, ZHANG Yun
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Water Conservancy Research Institute of Bayannur City,Inner Mongolia,China
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| Abstract: |
| Because of climate and irrigation and drainage conditions, soil salinization and secondary salinization are serious problems in the Hetao Irrigation District. Saline-alkali land of different degrees distributes patchy in a large area of the irrigation area, which seriously affects and restricts the high efficiency and sustainable development of agriculture. According to the characteristics of saline-alkali land in irrigation area, this paper puts forward a type of saline-alkali land modification by phosphogypsum mixing method through experimental study, which has been validated in the field and achieved good results. |
| Key words: Saline-alkali;land, Modification, Phosphogypsum |
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