Journal
FIELD CROPS RESEARCH
Volume 265, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.fcr.2021.108119
Keywords
Wheat following rice; Waterlogging; Raised bed planting; Yield; Economic benefit
Categories
Funding
- National Key Research and Development Program China [2017YFD0301306, 2018YFD0300906]
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The study showed that the raised bed planting pattern significantly reduced waterlogging stress on wheat production, resulting in higher yields and profitability.
Waterlogging stress is a major problem for wheat production in rice-wheat double cropping systems on the Yangtze River Plain in China and might become more frequent and intense due to global warming. To alleviate the profound impacts of waterlogging stress on wheat production, a raised bed planting (RBP) pattern was developed. The results showed that RBP significantly increased soil water drainage and reduced the soil water content. The reduced waterlogging stress promoted wheat seedling establishment and root growth, accelerated stem and tiller development, and delayed late-season root and leaf senescence, resulting in 11.3 % and 14.1 % higher grain yields in Fengtai and Guohe, respectively. Furthermore, RBP required fewer inputs and produced more outputs, generating 63.1 % and 59.6 % more net income in Fengtai and Guohe, respectively. Based on this study, RBP can be considered an effective, sustainable soil tillage practice to reduce waterlogging stress and thereby increase wheat productivity and profitability under future waterlogging conditions.
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