文章摘要信息 关键词：菊芋；干旱灌区；次生盐渍化土壤；品种筛选 [gap=1265]Key words: helianthus tuberosus; arid irrigation; soil of secondary salinization ; variety screening
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Soil Secondary Salinization is one of the major factors which are seriously affecting plant growth and development in greenhouse.
次生盐渍化是造成保护地土壤障碍的主要因素之一。
Only if we can understand the rules of water and salt movement in the soil, can we control the secondary salinization, and achieve the sustainable development of this area.
最后指出人为经济活动影响的重要性，针对土壤水盐运移的规律，提出控制以及改良次生盐渍土的几条措施。
Soil secondary salinization can be considered as the main factors that influence the stability of new oasis in alluvial plain.
土壤次生盐渍化是影响冲积平原新绿洲稳定性的主要因素。
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