True, it says, climate change in the form of heat and drought may have reduced yields of maize and wheat.

报告称气候变化导致的炎热与干旱可能使玉米和小麦减产。

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The result showed that Yield and straw crude protein contents and true protein contents and amino acid contents of forage green maize were obviously increased after nitrogen application.

结果表明，追氮可显著提高饲用青玉米的产量以及秸秆粗蛋白、真蛋白和氨基酸含量。

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