The effect of chemical mulch and drought and wetness change on maize growth and water use efficiency
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DOI:10.7606/j.issn.1000-7601.2003.01.14
Key Words: Aquasorb  PAM  maize  compensation effect  WUE
Author NameAffiliation
FANG Feng College of Resources and Environment Sciences,Northwest Sci-Tech University of Agriculture and ForestInstitute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,Yangling,Shaanxi 712100,China 
YU Man-yuan College of Resources and Environment Sciences,Northwest Sci-Tech University of Agriculture and ForestInstitute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,Yangling,Shaanxi 712100,China 
HUANG Zhan-bin College of Resources and Environment Sciences,Northwest Sci-Tech University of Agriculture and ForestInstitute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,Yangling,Shaanxi 712100,China 
WANG Jun-wei College of Resources and Environment Sciences,Northwest Sci-Tech University of Agriculture and ForestInstitute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,Yangling,Shaanxi 712100,China 
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Abstract:
      Maize was planted in pots and dealt with che mical mulch (Aquasorb and PAM whrch was a chemical material of improving soil structure.) and two levels of water controlling (high water: 80% field capacity; low water: 50% field capacity) to research the effect of these treatments on seedling survival and water use effici ency.The results showed Aquasorb and PAM mulch could improved maize seedlin g survival ratio and effectively reduced soil evaporation. Furthermor e, change of soil drought and wetness was propitious to maize growth, since it could arose the strong compensation effect.