机译:华北平原小麦-玉米双作强化灌溉系统的灌溉效率大大提高
Agronomy;
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Qingdao;
Agricultural;
University,;
Qingdao;
China266109;
Institute;
of;
Geographical;
Sciences;
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Resources;
Research;
The;
Chinese;
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of;
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Beijing;
China100101;
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Shandong;
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Taian;
China271018;